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RF / Microwave Filters, Diplexers & Duplexers
Manufacturers & Services
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The
companies listed here can supply your needs for any type of filter. They provide not only a
stock of off-the-shelf models, but can also design and manufacture custom models for meeting
specialty selectivity, group delay, insertion loss, form factor, power handling, or other unique
parameters.
Everyone is clear on what a filter is, but there exists a lot of confusion
over what is the difference between a duplexer and a diplexer. As you might expect, there are
a lot of opinions - even between manufacturers. Traditionally, duplex communications implies
the ability to transmit (Tx) and receive (Rx) on the same channel simultaneously. doing so requires
a means of separating the transmit and receive paths in a manner rendering them independent
of each other, i.e., isolation. Thus, a duplexer
is used. One method is to use a circulator for routing signals from the transmitter to the antenna
while routing singles from the antenna to the receiver. If the Tx and Rx operate at different
frequencies, the job can be accomplished by a set of filters with a common feed point. A
diplexer is usually thought of as a set of filters,
again with a common feed point, that is used to combine or split signals travelling to or from
an antenna, respectively, while providing isolation between the two independent paths. If more
than two independent paths are required, the name for both usually changes to a common term:
multiplexer.
Filter, Diplexer & Duplexer Design Books
Filter Design Data
My policy is to only list companies that actually manufacture product or offer services related to the page title subject.
Product distributors and sales representatives are not listed (they have their own page). This helps guarantee that each
listing offers a unique product or service. NOTICE: I am no longer adding hyperlinks due to so many companies asking to
be removed because of some issue with Google Statistics. Your best bet is to use a search engine to find company
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Advertising information page.
RF and microwave filters
for commercial and
defense applications
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 KR
Electronics
Avenel, NJ
Tel: (732) 636-1900 |
 |
 For
over 40 years KR Electronics has designed and manufactured high quality filters for the commercial and
military markets.
KR Electronics manufactures all filter
 types
and individually synthesizes filters for special applications. State of the art computer synthesis, analysis
and test methods are used to meet the most challenging specifications. |
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 Coaxial
Dynamics
Middleburg Heights, OH
Tel: 1-800-COAXIAL |
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| Coaxial Dynamics has been a leading manufacturer of precision equipment for the measurement and termination
of RF power for over 30 years. Our equipment is used by engineers and technicians in a wide variety of applications
throughout the world. We have sales offices all over the world to serve your needs. |
| Our Products
and Solutions Include |
• Digital Broadcast Equipment -
Wattchman RF
monitor, high power
meters, plug-in elements |
• Directional Wattmeters - Average & peak
power, Field strength
meters |
| • Line Sections & Elements - 7/8" to 6-1/8" |
| • Plug-In Elements - 7/8" to 6-1/8" |
• Loads & Attenuators - Dry, liquid, air, and
forced air cooled,
coaxial |
| • Signal Samplers - Tap-offs, x-Tractors |
| •
Meters - Portable & panel mount |
| • Accessories - Quick-match, coupling kits |
| • Low Pass Filters - 100W and 200 W |
| • Power Sensors - Mainline, wideband |
| •
Custom OEM Products - Send us your specs |
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| Online Price Quotes Available |
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|
 By
Guided Wave Technology
Denmark |
| Guided Wave Technology's Coupling Matrix Synthesis (CMS) tool facilitates synthesis of N+2 coupling matrices
for Chebyshev bandpass filtering functions, with arbitrary finite-position transmission zeroes. |
 |
The CMS tool gives
a fast and accurate
overview of: |
● Filter orders up to 12
● Arbitrary placement of transmission zeroes
● Complex transmission zeroes
● Extended parameter plotting options
● S-parameter
file (s2p) generation
● Topology matrix definition of filter circuits
● Advanced
graph and marker functions
● Easily re-scalable axes
● Excellent overview - input/output
together
● Saving and loading of designs
● Fast response
● Integrated
manual
● Intuitive and very user friendly interface |
|
| Guided Wave Technology
is a microwave filter R&D company, specialized in development and production of
passive filter prototypes and series. |
|
 Electro-Photonics
772-485-0927
Palm City, FL |
 |
| Electro-Photonics LLC is a global supplier of RF &
Microwave components. Our products include SMT hybrid couplers, wire bondable passive components, coaxial
products, test fixtures and very useful test boards for evaluating components. The Electro-Photonics team
can support your small R&D design requirements with RF & Microwave test fixtures and save you
valuable design and characterization time. |
 |
• Passive RF Components
-
RF & microwave
amplifiers
- Wire-bondable quartz spiral inductors
- Wire-bondable single-layer capacitors
- RF & microwave power dividers
- Coaxial cable assemblies
& connector adapters
-
90° SMT hybrid couplers
-
Ceramic RF & microwave filters
- Thin film sub-mounts & mounting tabs |
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• Build-to-Print Services
-
Alumina, beryllium oxide, Al nitride, quartz, CVD
- MMIC package design |
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• Custom Evaluation Boards
- Evaluation boards per manufacturers' layouts
- Layout optimization
- SOLT de-embedding |
|
 ISOTEC
Great Neck, NY
Phone: 516-780-2766
Fax: 718-321-9121 |
| Since our inception in 1996 in Korea, ISOTEC has been a leading manufacturer of RF and Microwave Connectors
such as SMA, MCX, SSMB, etc., and RF Components such as Attenuators, Terminations, etc., for wireless service providers,
etc. |
| We provide recognized and trusted products and service to our customers in more than 30 countries worldwide.
ISOTEC offers also an extensive product mix with RF Filters and Multiplexers etc. ISOTEC is ISO9000 and ISO14000
certified factory. |
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| ISOTEC is ISO-9001 and ISO-14001 registered. |
RF Connectors:
SMA, MCX, MMCX, SMB, BNC, TNC, N,
SSMB, SSMC, QMA, SMP, etc. |
RF Components:
Attenuators, Terminations, Power Dividers,
Power Combiners |
RF
Cable Adaptors:
Between-series and within-series adaptors |
RF
Coaxial Cable Assemblies:
Semi-Rigid, Semi-Flexible, Flexible
Cables |
RF Filters:
Cavity, Ceramic, and LC Filters, Multiplexers |
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Technology on the Move
JQL Electronics specializes in isolator and circulator designs and production. Over the past few
years, JQL has expanded its technical capability in product development. Our engineering and technical support team
has gained extremely valuable experience in designing products that can meet both high performance requirements
and aggressive cost targets. Along with our sales team who works with customers closely to understand their needs,
our design team consistently works to realize our customers' vision and deliver the best solutions. JQL also recognizes
new industrial trends and the proactively develops new products and solutions to meet those new directions. |
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Aeroflex | KDI | aeroflex.com/ams/kdi-rp/micro-kdi-rp-prods.cfm
Individual filter and multi-function assemblies for wireless base
station front ends, point-to-point to microwave radios, amplifier, and other commercial
applications.
AKON | akoninc.com
408-432-8039
| San Jose, CA
Microwave amplifiers 0.5 to 20.0 GHz, power dividers and gain (slope)
equalizers 1.0 to 18.0 GHz, converter assemblies 2.0-20.0 GHz, filter banks and switch
filter banks 2.0-18.0 GHz, discriminators.
Amplitronix | amplitronix.com
714-918-4752
| Costa Mesa, CA
Manufacturer of high quality RF and IF Surface acoustic Wave (SAW)
filters, resonators, and Voltage Controlled Oscillators (VCO).
antennas.us | antennas.us
954-0975-2712 |
Margate, FL
Antennas for military, mobile radio, GPS, EMS, satellite/terrestrial,
ISM, WLAN/Wi-Fi/WiMax, Ham, AM/FM/satellite radio. Cable assembly, connectors, diplexers &
filters, software, measurement services.
AVX | avx.com
843-946-0414 | Myrtle Beach,
SC
Capacitors, thin film directional couplers, Z-chip combo R&C impedance matching
surface mount chip, ESD/surge protection, EMI/RFI feedthrough filters, AVX SPIMIC capacitor
calculation, connectors - PCB, rack-and-panel, DIN, coaxial/RF, filters, resistors.
Bartley Machine & Manufacturing |
qfilterproducts.com
978-388-0085 | Amesbury, MA
Frequency programmable active bandpass filters designed
to eliminate all adjacent channel interference in applications up to 2GHz. No insertion
loss - programmable gain.
Bree
Engineering | breeeng.com
760-510-4950 | San Marcos, CA
Standard SMT packages, data link,
low profile surface mount LC, PCB Mounted LC, combline, non-reflective, High power low-pass,
image reject combline filters, GPS diplexers, GPS diplex band splitters, highpass/lowpass
diplexers, and more.
Cernex | cernex.com
408-541-9226 | Sunnyvale, CA
Amplifiers, antennas, couplers, isolators, circulators,
filters, diplexers, oscillators, noise sources, switches, phase shifters, transition &
adapters, mixers, waveguide products, attenuators, terminations, detectors, subsystems.
Channel Microwave | channelmicrowave.com
805-482-7280 | Camarillo, CA
Coaxial and waveguide isolators, circulators, ISO-adapters,
integrated assemblies, filters, terminations.
Ciao Wireless | ciaowireless.com
805-389-3224
| Camarillo, CA
Broad selection of amplifiers for multi-octave, octave & ½-octave,
broadband, LNAs, and RF limiting. Replacement amplifiers for anything previously or
currently made by JCA Technology, Cougar (connectorized versions), Avantek, WJ, CTT,
Celeritek, Amplica, among others, but at a much quicker delivery. Also manufacture radial
combiners and space qualified filters. Environmental screening services available.
ClearComm Technologies | clearcommtech.com
410-860-0500 | Salisbury, MD
Base station, delay filters for feed-forward amps,
diplexers, custom up to 40 GHz, waveguide filter products 7-40GHz; cavity filter products
include transmit and receive filters as well as duplexers and multiplexers covering
the frequency range of 300 MHz to 6.0 GHz.
CMT Filters | cmtfilters.com
916-631-4363
| Pollock Pines, CA
Cavity and waveguide filters, duplexers and filter-based assemblies
for the wireless, commercial and military marketplaces.
Coilcraft | coilcraft.com
800-322-2645 | Cary,
IL
RF, power inductors, EMI/RFI filter products, xDSL magnetics, transformers.
Coleman Microwave | colemanmw.com
800-563-3449
| Edinburg, VA
Diplexers, low pass, band reject, band pass, waveguide, coaxial, high
power, harmonic, miniature filters.
CommsAudit | commsaudit.com
+44 (0)124 225
3131 | Cheltenham, England
RF and digital equipment and subsystems for Defence, Telecommunications,
Military, and broadcast communications applications. Frequency range 10 kHz to 60 GHz
including digital control and digital signal processing (DSP). COTS, quadrature I/Q
Receivers, multi-channel receiver systems, RF switching matrix, RF multicouplers, antenna
matrices & multicoupler distribution units, masthead amplifiers, RF filters.
Continental Microwave & Tool (now Cobham) |
.cobham.com
603-775-5200 | Exeter, NH
Antennas,
solid state switches, attenuators, microwave switch filter assemblies, high power switches,
PIN-diode control components, and GaAs microwave devices, waveguide components, assemblies
and subsystems, integrated assemblies.
Corry Micronics | cormic.com
724-940-7556
| Corry, PA
Dielectric resonators, bandpass filters, LC filters, VCOs, PLLs, patch
antennas, power dividers, connectorized lumped element power dividers, directional couplers,
isolators/circulators, high power hybrids, diplexers & multiplexers, attenuators,
switches, cavity filters, waveguides, standard gain horn antennas.
CTS Corporation | ctscorp.com
574-293-7511
| Elkhart, IN
Bluetooth, ceramic duplexers, filters, terminators, DIP switches, modules
(synthesizer, frequency translator, jitter attenuation, timing, clock generators, VCO's,
high frequency VCXO's, VCSO's, IF filters), oscillators.
Delta Microwave | deltamicrowave.com
805-240-1044
| Oxnard, CA
Filters, diplexers, multiplexers, filter/amplifiers, variable attenuators,
integrated assemblies, power combiners, waveguides. Product frequencies from 1 kHz to
50 GHz with RF power handling up to 25 kW.
Eastern Wireless TeleComm, Inc | ewtfilters.com
410-749-3800 | Salisbury, MD
RF & Microwave filters, duplexers, & multiplexers
to 40 GHz for all commercial, military, & wireless, applications.
Emicon Corporation | emiconcorp.com
915-590-0795
| El Paso, TX
Custom manufacturer of coils, powerline filters, signal line filters,
EMI filters, low pass filters and inductors.
EMR Corporation | emrcorp.com
800-796-2875
| Phoenix, AZ
RF peripherals devices from 30 MHz to 2.8 GHz. Design, manufacture
and systems' engineering for RF isolators, amplifiers & BDAs, filters - band pass &
band reject, mobile & base station duplexers, combiners - cavity ferrite & hybrid
ferrite, RX multicouplers and accessories including LNAs.
EPCOS | epcos.com
800-689-3717 | Iselin, NJ
Capacitors, SAW, inductors/EMC components,
nonlinear resistors, ferrite components, surge
Eyal Microwave Industry
972-9-7493184
| Israel
PIN switches, diodes, high power switches, limiters, power dividers, phase
shifters, switched bank filters, converters.
eyal-emi.com
Filtek, Inc | filtek.com
520-398-2856 | Tubac,
AZ
Bandpass, lowpass, highpass and bandstop filters, power dividers, filters, couplers
and beam forming networks.
Filtel | filtel.com
450-455-6082 | Canada
Couplers, power dividers, isolators, coaxial & waveguide
circulators.
Filtronetics | filtro.net
816-231-7375 | Kansas City, MO
Leading supplier of custom IF, RF, Microwave, EMI(military) &
Front End filters. Filter types include LC, crystal ceramic, SAW & microwave from
DC to 10 GHz . Oscillators and crystals are available including TCXOs & VCXOs. Filtronetics
Inc has been providing solutions to for 35 years and is ISO-9001:2000 certified.
Filtronic Solid State
(now Teledyne Microwave) | teledynemicrowave.com
650-962-6944 | Mountain View, CA
Synthesizers, YIG filters &
oscillators, phase locked and free running DRO's, transceivers, converters, ferrites,
microwave integrated assemblies, BAW delay lines.
FSY Microwave (now Spectrum
Microwave) | spectrummicrowave.com
888-553-7531 | Columbia, MD
RF & microwave filters to 40 GHz. LC
| cavity | ceramic | waveguide types. 20 years of design experience able to meet your
custom specification.
Guided Wave Technology | guidedwavetech.com
+45 20 88 58 30 | Denmark
Filter and Coupling Matrix Synthesis Software. Get an overview
of main filter parameters in seconds, without complex circuit models and modeling. Our
Coupling Matrix Synthesis™ software facilitates synthesis of N+2 coupling matrices for
Chebyshev bandpass filtering functions, with arbitrary finite-position transmission
zeroes. The software also facilitates coupling matrix synthesis through topology matrix
definition. It gives a fast and accurate overview of insertion loss, isolation, group
delay and coupling coefficients versus filter order, return loss and transmission zero
positions. The software allows placement of complex transmission zeroes, which opens
up for group delay shaping and analysis.
ILSI America | ilsiamerica.com
888-355-4574
| Reno, NV
Frequency control products - crystals, data clock oscillators, VCXO, VCO,
TCXO, TCVCXO, OCXO, crystal filter, saw filter synthesizers.
Integrated Microwave | imcsd.com
619-259-2600
| San Diego, CA
Bandpass, highpass, lowpass filters, ceramic resonators.
Ion Beam Milling, Inc | ionbeammilling.com
603-644-2326 | Manchester, NH
Since 1982 has manufactured thin film circuits for
use in the microwave and photonics industries. Dry etch ion beam milling process to
ensure a high level of repeatability. An array of standard products are ready to ship
and we can create custom circuits to match your drawing. Ion Beam Milling also specializes
in services. We can offer photolithography, milling, and/or dicing services to meet
your needs. ISO 9001:2000 qualified.
Johanson Technology | johansontechnology.com
805-389-1166 | Camarillo, CA
LTCC chip antennas for Bluetooth, WLAN, 2.45 GHz ISM
band, ceramic filters, diplexers, baluns, inductors, capacitors, couplers, laser trim,
JTIsoft® modeling software.
K&L Microwave | klmicrowave.com
410-749-2424
| Salisbury, MD
Filters, suspended substrates, waveguide.
KDI-Triangle (now Aeroflex-KDI) | aeroflex.com/ams/kdi-rp/micro-kdi-rp-prods.cfm
973-887-8100 | Whippany, NJ
Aeroflex | KDI-IP
filter products for RF and Microwave filters are individual filter and multi-function
assemblies for wireless base station front ends, point-to-point to microwave radios,
amplifier, and other commercial applications. These include cavity types with metal
or ceramic resonators, & printed filters such as bandpass, lowpass, bandreject,
duplexer, triplexer & multiplexer.
KMW | kmwinc.com
800-832-0569 | Cerritos,
CA
AMBA (Active Multi Beam Antenna System), amplifiers, arrestors, attenuators, combiner/dividers,
connectors, couplers, duplexers, filters, isolators/circulators, phase shifters.
KOA Speer Electronics | koaspeer.com
814-362-5536
| Bradford, PA
Resistors, capacitors, 3-terminal EMI/RFI filters, circuit protection,
inductors, integrated components.
L-com Global Connectivity | l-com.com
800-341-5266
| North Andover, MA
Manufacturer of cable assemblies, connectors, antennas, amplifiers,
and other and other connectivity devices
Lark Engineering | larkengineering.com
949-240-1233
| San Juan Capistrano, CA
Lowpass, highpass, bandpass filters, diplexers.
Linwave Technology Ltd | linwave.co.uk
+44
1522 681811 | Lincoln, UK
RF and microwave design and manufacturing company with
specialist knowledge in module and sub-system design. Our experience encompasses the
consumer, industrial, automotive and defense market sectors. SATCOM BUC, SSPA, Military
microwave sub modules.
Lattice
Semiconductor | latticesemi.com
503-268-8000 | Hillsboro, OR
FPGA, FPSC, CPLD, SPLD, digital
interconnects, programmable analog ICs, automotive temperature devices, military devices,
programmable logic development tools, advanced packaging.
Lorch Microwave | lorch.com
800-780-2169 |
Salisbury, MD
Cavity, waveguide, discrete, tunable, ceramic, wireless, tubular filters,
integrated assemblies, mixers, phase comparators, phase shifters.
LUXCONN Technology | luxconn.co.kr
82-2-2026-7500
| Seoul, Korea
Manufactures RF connectors, coaxial cable, and passive components
including power splitters, power dividers, directional couplers, surge arrestors, terminators,
duplexers, antennas.
Maruwa
America | maruwa-g.com
310-792-1105 | Torrance, CA
Ceramics capacitors, VCOs, resonators,
multilayer ceramic substrates (HTCC/LTCC), thin-film substrates, EMI filters.
Maxim Integrated Products | maxim-ic.com
800-998-9872 | Sunnyvale, CA
Amplifiers, comparators, analog switches, multiplexers,
analog filters, linear and mixed-signal integrated circuits, power supplies, battery
management, RTCs, clocks, oscillators, delays, counters, fiber optic ICs.
MCLI | mcli.com
800-333-6254 | St. Petersburg,
FL
Power dividers, couplers, isolators, circulators, waveguide components, oscillators,
filters, hybrids, attenuators, switches, terminations, amplifiers.
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|
 Nortec
RF
Mount Laurel, NJ
856-793-9255
|
Nortec RF has more than 22 years of experience designing power combiners and dividers,
directional couplers, hybrid couplers, filters, and power amplifiers. Our research and
development group and engineering team constantly introduces new, top of the line products
into our product line.
¤
Combiners and Dividers
- 2-, 3-, 4-, 6-, 8- and 16-way
- Frequency range of 88 MHz to 2.7 GHz
- Power levels
up to 150 W
¤
Directional Couplers
- 20, 30, and 40 dB Uni- and Bi-directional
- Frequency
range of 380 MHz to 3 GHz
- Power levels up to 200 W
- <0.1 dB insertion loss, >20 dB directivity
¤
90° Hybrid Couplers
- Frequency range of 250 MHz to 2.5 GHz
- Power levels up to
150 W
¤
RF/Microwave
Filters
- Lowpass and Bandpass, lumped or microstrip
- Frequency range of 200 kHz to 2 GHz
- Power levels up to 5 W of CW
- <1 dB insertion loss for most designs
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|
 Planar
Monolothics
Industries
Frederick, MD
(301)
662-5019 |
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|
PMI's organization has been setup to Design, Develop, Manufacture, Test, and Market complex
state-of-the-art Hybrid RF MIC and MMIC Components, Supercomponents, and Subsystems. |
  Unique
products for applications in space, military, commercial,
 telecommunications,
and consumer electronics systems. DC to 40 GHz.
ISO 9001:2008
|
| Select
from PMI's Extensive Line |
• Amplifiers
LNA, VGA, Cryogenic
Waveguide, Limiting
• Phase Shifters
Analog, Digital• Detectors
• Switch Products
• VCOs & DTOs
• Multifunction Modules
• Integrated Modules
• Limiters |
• Filters
LP, HP, BP, BR,
lumped, combline,
switched
• Attenuators
• I/Q Modulators
• Bi-phase Modulators
• Power Dividers
• Quad Couplers
• DLVAs & SDLVAs |
| Custom Design
to Your Specifications |
|
Selection Guide |
Skyworks Solutions is an innovator of high performance analog semiconductors. Leveraging core technologies, Skyworks
supports automotive, broadband, wireless infrastructure, energy management, GPS, industrial, medical, military,
wireless networking, smartphone, and tablet applications. See the list below for our extensive line of products
for the microwave and wireless industries, or click on the Selection Guide.
 |
Amplifiers
•
Cellular
• WiFi Connectivity
• Wireless Infrastructure/
Femtocell
Power Amplifiers
• Smart Energy-Connected
Home and Automation
•
BDS/GPS/GNSS
• Broad Market LNAs and
• Low Noise Transistors
• Driver/Linear
Amplifiers
• Gain Block
• Variable Gain Amplifiers
Attenuators
Circulators
/ Isolators |
Front-End
Modules
• Cellular
• WiFi Connectivity
• Smart Energy-Connected
Home and Automation
• BDS/GPS/GNSS
Mixers
Modulators / Demodulators
OptoCouplers
OptoIsolators
PLLs/Synthesizers/VCOs
Power Management
RF Passives
Switches
Diodes
Filters |
|
 NuWaves
Engineering
Middletown, OH
Tel: (513) 360-0800 |
 |
 |
| NuWaves Engineering is a premier supplier of Radio Frequency (RF) Systems, Subsystems, RF Products
and Engineering Design Services designed to customer requirements. We are a turnkey provider for RF and
Microwave communication custom designs with full project management and design responsibilities; taking ownership
from the conceptual idea to production. |
|
Design / Consulting Services
|
|
•
Low Noise Designs
|
•
Prototype Development
|
|
•
Reliability Analysis
|
•
Distribution Systems
|
|
•
RF Amplifiers
|
•
Microwave Techniques
|
|
•
Site Surveys
|
•
System Integration
|
|
Products
|
|
•
Antennas
|
•
Telemetry Transmitters
|
|
•
RF Tuners
|
•
Bi-Directional Amplifiers
|
|
•
Up/Dn Converters
|
•
Frequency Modulators
|
|
•
Low Noise RF Front
End Amplifiers
|
•
Custom Analog and
RF Filters
|
|
•
Complete RF and Wireless Data Transceivers
|
|
Mercury United Electronics | mercuryunited.com
909-466-0427 | Rancho Cucamonga, CA
Clock oscillators, VCXO, TCXO, OCXO, low EMI
spread spectrum clock oscillators, leaded and surface mount crystals, monolithic crystal,
leaded and surface mount filters, timing modules, GPS frequency references.
MicroAxiom | microaxiom.com
888-407-9626 |
Poway, CA
Leading the way in filter innovation. Manufacture of high power, cavity,
combline, interdigital, lumped element, LTCC modules, switches, amplifiers, switch filter
banks, and GPS modules.
MicroLab/FXR | microlab.fxr.com
973-992-7700
| Livingston, NJ
Attenuators, bias tees, couplers, dc blocks, coaxial junctions,
terminations, low pass filters, power splitters/dividers, tuners & line stretchers,
waveguide dummy loads.
Microwave
Components and Systems, Inc | mcsproducts.com
508-480-0106 | Marlboro, MA
Produces a wide range
of standard and custom waveguide and coaxial components and systems including power
combiners, filters, multiplexers, pressure windows, terminations, couplers, hybrids &
transitions; custom designs, small quantities available, quick delivery.
Microwave Filter Company, Inc | microwavefilter.com
800-448-1666 | East Syracuse, NY
1 MHz to 50 GHz, HP, LP, BS, BR, multiplexer, tunable
notch, high power, subminiature, waveguide, microstrip, lumped element.
Microwavefilters | microwavefilters.it
+39(0)292162703
| Pioltello, Milano, Italy
Manufacturing of RF components including waveguide band
and channel filters, duplexers, couplers, tapers, adapters, flanges, housings and cold
plates for RF bridges, and also offers offering also electric testing, project consulting
and problem solving.
Microwave Resources,
Inc | microwaveresourcesinc.com
909-627-4125 | Chino, CA
Amplifiers, attenuators, circulators, isolators,
frequency multipliers, waveguide couplers, mixers, detectors, filters, pin switches,
adapters.
Mini-Circuits | minicircuits.com
718-934-4500 | Brooklyn, NY
Attenuators, baluns, bias tee, cables (test quality),
chokes, DC blocks, mixers, amplifiers, filters, line stretchers, modulators, oscillators,
power combiners | couplers | splitters, switches, terminations, transformers. Surface
mount, connectorized. Application (app) notes.
MtronPTI | mtronpti.com
800-762-8800
| Yankton, SD
Manufactures a complete range of frequency control products for commercial
and military applications, including crystal resonators, OCXOs, TCXOs, VCXOs, monolithic
and discrete crystal filters, LC filters, and RF subassemblies.
Murata Electronics | murata.com
800-241-6574
| Smyrna, GA
Chip multi-layer (1.0 2.5 GHz), chip dielectric (2450 GHz, Bluetooth),
surface mount capacitors, thermistors/resistors, coil (inductors)/delay lines, noise
suppression products/EMI filters, resonators, piezoelectric sound components, coaxial
connectors, antenna/duplexers, isolators/circulators, PLL modules, VCOs, TCXO, RF diode
switches, DC-DC converters, sensors.
Narda Microwave East | nardamicrowave.com
Filters, isolators, power combiners, couplers, RF mechanical switches and PIN diode
switches.
Nortec RF | nortec-rf.com
856-793-9255 | Mount Laurel, NJ
RF/microwave power combiners/dividers, unidirectional
and bidirectional couplers, hybrid couplers, filters, and power amplifiers. New products
added on regular basis.
NTK
Technologies | ntktech.com
408-727-5180 | Santa Clara, CA
Packages - LTCC, LCC, CPGA, AlN,
CGFP, FP, side braze hybrid, thin film, flip chip, organic flip chip, microwave. Ceramic
directional couplers, filters, diplexers, antennas, switch modules, resonators and ultrasonic
sensors.
Omniyig | omniyig.com
408-988-0843
| Santa Clara, CA
Manufacturer of band reject, bandpass Yig filters, Yig oscillators
and Yig multipliers with and without integrated analog or digital drivers, comb generators
with and without integrated input power amplifiers, various types of detectors and limiters.
Oscilent Corporation | oscilent.com
949-252-0522
| Irvine, CA
Oscillent refuses to pay their final bill to RF Cafe.
Panasonic | panasonic.com
201-348-7000 | Secaucus, NJ
Surface mount capacitors, directional couplers, antenna
switches, SAW filters, attenuators, power dividers, duplexers, transformers, inductors,
coils, batteries.
Picosecond
Pulse Labs | picosecond.com
303-443-1249 | Boulder, CO
Amplifiers, drivers, attenuators, baluns,
transformers, bias tees, comb generators, custom pulse generators, DC blocks, driver/controller
modules, ECL/PECL terminators, edge compressors, impulse forming networks, low-pass
filters, power dividers, pulse generators, sampler modules TDR/TDT instruments.
Planar Monolithics Industries | pmi-rf.com
301-662-5019 | Frederick, MD
PMI designs, develops, manufactures, tests, and markets
hybrid RF/microwave and monolithic integrated circuits (MIC/MMIC) and components hybrid
MIC/MMIC supercomponents and subsystems.
Pole Zero | polezero.com
513-870-9060 | West
Chester, OH
Modular digitally tuned RF filters and preselectors.
Q Microwave | qmicrowave.com
619-258-7322
| El Cajon, CA
Custom & standard filters, integrated microwave assemblies, design
tools, lab support services.
Quasar Microwave Technology | waveguidesolution.co.uk
(now The Waveguide Solution)
+44 (0) 1626 835255 | UK
Flexible twistable and rigid
waveguides, flanges, pressure windows, power splitters, hot stand-by couplers, filters,
diplexers.
Ray Micro
Devices | raymicrodevices.com
717- 266-8666 | York, PA
State-of-the-art and highly scalable design
and fabrication solutions for Microwave, Telecom and Satellite Communications. RMD's
expertise lies in the development of hardware products for the 10-40 GHz spectrum.
RF Microwave Design Ltd | rfmicrowavedesign.com
+44 (0)1626 835269 | UK
Custom, semi-custom and standard passive microwave components.
Diplexers, filters and antennas designed and tested. A complete design, development
and validation service to the RF and microwave industry.
RF Monolithics, Inc. - RFM | rfm.com
800-704-6079
| Dallas, TX
Offers a broad range of wireless solutions, from comprehensive industrial
wireless sensor networks to high performance RF components including SAW resonators,
narrow band filters, RF and IF filters, oscillators, clocks & crystals, RFIC and
SAW based radios, RF modules and standalone radios, M2M.
RLC Electronics | rlcelectronics.com
914-241-1334
| Mount Kisco, NY
Filters, couplers, coaxial switches, attenuators, power dividers,
terminations, bias tees, DC blocks.
RS Microwave | rsmicro.com
201-492-1207 |
Butler, NJ
Filters, multiplexers, subassemblies.
RTx Technology Co., Ltd | rtxtech.com
+82-31-743-6275
| South Korea
Filters, duplexers, multiplexers (ceramic/cavity), VCOs & PLL synthesizers,
isolators & circulators, up/down converters, combiners & dividers, directional
couplers, SAW devices, attenuators, terminators.
Sage Labs - Filtronic
(now Spectrum Microwave) | spectrummicrowave.com/default.asp
508-653 0844 | Natick, MA
Power dividers, couplers,
hybrids, filters, rotary joints, mixers, phase shifters.
Salisbury Engineering
(now Spectrum Microwave) | spectrummicrowave.com
888-553-7531 | Delmar, DE
Custom integrated microwave
assemblies, tuners, synthesizers, filters, reference oscillators, harmonic generators.
Call to discuss with an engineer your microwave component or supercomponent needs.
Samsung Electro Mechanics | sem.samsung.com
408-544-5262 | San Jose, CA
Ceramic filters for base stations, repeater from 400
MHz to 5 GHz. Saw filters, VCOs, and TCXOs.
Sawtek (now a division of TriQuint
Semiconductor) | triquint.com
407-886-8860 | Apopka, FL
RF, IF filters, duplexers, base stations,
wireless LAN.
Spectrum
Control, Inc | spectrumcontrol.com
866-281-0989 | Fairview, PA
Connectors - circular, D-subminiature,
DIN, terminal blocks, plugs and jacks, coaxial/RF. EMI/RFI filtered feedthrough connectors
Syfer Technology | syfer.com
+44 1603
723300 | Norfolk, Suffolk, England
Syfer has 25+ years experience in manufacturing
ceramic capacitors, both SMD and thru-hole EMI filters and EMI Power Filters.
Tai-Saw Technology | taisaw.com
886-3-4690038
| Taiwan
RF, IF, crystal filters, SAW filters, crystal resonators, crystal oscillators,
VCOs, TCXOs.
TDK | tdk.com
516-535-2600
| Garden City, NY
Filters, multi-layer ceramic capacitors, inductors, EMC components,
LAN components, ferrite cores, amorphous cores, transformers, magnets, magnet applied
products, piezoeletronic products, delay lines, sensors, power supply, RF components,
RF modules, and more.
Teledyne KW Microwave | teledynekwmicrowave.com
858-842-2993 | Poway, CA Filters, multiplexers, diplexers, multipliers, solid state
switches, switch filters, low noise amplifiers, preamplifiers, coaxial switches, ferrite
circulators and isolators, integrated subsystems covering the frequency range 5 MHz
to 40 GHz.
TELSA | telsasrl.it
+390354876000
| Osio sotto (BG) Italy
Basestation antennas, combiners, couplers, circulators, filters,
duplexers, power splitters and components for the air traffic control, private mobile
radio, cellular, wireless communications and tactical markets.
Tiger Micro-Electronics Institute | tiger-mw.com
510-635-4270 | Oakland, CA
Filters, couplers, power divider/combiners, mixers, modulators,
switches, isolators, circulators, phase shifters.
Token Passive Components | token.com.tw
+886-2-2981
0109 | Taiwan
Ceramic resonators, filters, dielectric patch antennas, resistors.
Toko America | tokoam.com
847-297-0070
| Mt. Prospect, IL
Filters, baluns, inductors, antennas, semiconductors, amplifiers,
A/D converters.
Trans-Tech | trans-techinc.com
301-695-9400 | Adamstown, MD
Resonators, bandpass filters, garnets, ferrites, dielectrics,
substrates.
Trilithic | trilithic.com
800-344-2412 | Indianapolis, IN
Attenuators, filters, switches, terminations, emergency
alert systems.
Triquint Semiconductor | triquint.com
503-615-9000 | Hillsboro, OR
Wireless, telecom and millimeter amplifiers, GaAs integrated
circuits and transistors. SAW filters.
TTE | tte.com
800-776-7614 | Los Angeles,
CA
Bandpass, lowpass, highpass filters, diplexers, multiplexers, cases, balun, isolation &
matching transformers.
Tusonix | tusonix.com
520-744-0400 | Tucson, AZ
EMI/RFI filters, surface mount EMI filters, variable trimmer
capacitors, filtered terminal blocks, custom EMI filter plate assemblies, ceramic disc
capacitors.
Ultra-Crea Oy | ultra-crea.fi
+358 50 444 9100 | Finland
Specializes in the design, development and manufacture
of custom designed/specialty antennas and RF filters from 10 MHz to 6 GHz.
US Microwaves | usmicrowaves.com
408-970-9680 | Santa Clara, CA
Supplies custom and standard microwave thin
film circuits, thin film components and semiconductors for analog and digital multi-chip
module circuits, medical, military and commercial RF & microwave, fiber optic and
optoelectronics, satellite, video and wireless communication applications.
UTE Microwave, Inc | utemicrowave.com
732-922-1009
| Asbury Park, NJ
Circulators, isolators, ISO-adapters, filters.
Vanlong Technology | vanlong.com
262-534-2888
| Rochester, WI
SAW resonators, SAW filters, ceramic products, oscillators.
Vectron International | vectron.com
888-328-7661
| Hudson, NH
Crystals, oscillators, SAW filters.
Ventronics USA | ventronicsinc.com
908-272-9262
| Kenilworth, NJ
Resistors, varistors, thermistors, diodes, rectifiers, quartz crystals,
oscillators, filters, switches, coils, EMI filters, microcircuits, capacitors, battery
packs, inductors, batteries, transformers, LED/LCD, line cords, piezoelectric devices,
cable assemblies, relays, blowers, fans, power supplies, thermal cutoffs, PCBs, potentiometers,
delay lines, transducers, chokes.
Wainwright Instruments | wainwright-filters.com
+49 (0) 8152-918230 | Germany
Lowpass, highpass, bandpass, notch filters, diplexers &
multiplexers.
Ye Eun Tech | yeeuntech.com
+82-31-459-0960 | Gunpo, Kyunggi, Korea
Coaxial (RF) cable assemblies, adapters,
filters, power splitters, and multiplexers. |
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