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| RF / Microwave Filters, Diplexers & Duplexers
Manufacturers & Services |
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
For your convenience, I have built a set of pages with hand-selected companies. 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.
RF and microwave filters
for commercial and
defense applications
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|
 DYNE-TECH
Cheonan City, S. Korea
82-41-554-0010 |
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| DYNE-TECH manufactures RF & microwave components and subsystems for military and commercial
telecommunications systems. Our products benefit from application of experience gained on government
and university research programs. This has built our reputation as a reliable supplier of stable,
quality components. We specialize in large volume production. |
|
DYNE-TECH's Product Line Includes: |
 Filters,
Diplexers,
Triplexers
• Connectorized & SM
• Cellular, broadcast, &
custom bands
 Terminations
• DC - 6 GHz
• Up to 1 W
 Couplers
• Connectorized
• Up to 50 W
• 100 MHz - 3 GHz |
 Combiners,
Dividers
• Up to 8-way,
• 130 MHz - 10.5 GHz
• Up to 250 W
 Connectors,
Adapters
• DC - 18 GHz
• N, SMA, BNC, TNC, F
 Lightning
Arresters
• DC - 2.5 GHz |
|
Contact Us for Your Custom Specifications |
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|
 Coaxial
Dynamics
Middleburg Heights, OH
Tel: 1-800-COAXIAL |
 |
| 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. |
|
 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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|
 KR
Electronics
Avenel, NJ
Tel: (732) 636-1900
Fax: (732) 636-1982 |
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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Aeroflex | KDI
Individual filter and multi-function assemblies for wireless base station front ends, point-to-point to microwave radios, amplifier, and other commercial applications.
AKON
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
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
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
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
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
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
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
805-482-7280 | Camarillo, CA
Coaxial and waveguide isolators, circulators, ISO-adapters, integrated assemblies, filters, terminations.
Ciao Wireless
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
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
916-631-4363 | Pollock Pines, CA
Cavity and waveguide filters, duplexers and filter-based assemblies for the wireless, commercial and military marketplaces.
Coilcraft
800-322-2645 | Cary, IL
RF, power inductors, EMI/RFI filter products, xDSL magnetics, transformers.
Coleman Microwave
800-563-3449 | Edinburg, VA
Diplexers, low pass, band reject, band pass, waveguide, coaxial, high power, harmonic, miniature filters.
CommsAudit
+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)
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
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
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
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
410-749-3800 | Salisbury, MD
RF & Microwave filters, duplexers, & multiplexers to 40 GHz for all commercial, military, & wireless, applications.
Emicon Corporation
915-590-0795 | El Paso, TX
Custom manufacturer of coils, powerline filters, signal line filters, EMI filters, low pass filters and inductors.
EMR Corporation
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
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
520-398-2856 | Tubac, AZ
Bandpass, lowpass, highpass and bandstop filters, power dividers, filters, couplers and beam forming networks.
Filtel
450-455-6082 | Canada
Couplers, power dividers, isolators, coaxial & waveguide circulators.
Filtronetics
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)
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)
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
+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
888-355-4574 | Reno, NV
Frequency control products - crystals, data clock oscillators, VCXO, VCO, TCXO, TCVCXO, OCXO, crystal filter, saw filter synthesizers.
Integrated Microwave
619-259-2600 | San Diego, CA
Bandpass, highpass, lowpass filters, ceramic resonators.
Ion Beam Milling, Inc
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
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
410-749-2424 | Salisbury, MD
Filters, suspended substrates, waveguide.
KDI-Triangle (now Aeroflex-KDI)
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
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
814-362-5536 | Bradford, PA
Resistors, capacitors, 3-terminal EMI/RFI filters, circuit protection, inductors, integrated components.
L-com Global Connectivity
800-341-5266 | North Andover, MA
Manufacturer of cable assemblies, connectors, antennas, amplifiers, and other and other connectivity devices
Lark Engineering
949-240-1233 | San Juan Capistrano, CA
Lowpass, highpass, bandpass filters, diplexers.
Linwave Technology Ltd
+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
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
800-780-2169 | Salisbury, MD
Cavity, waveguide, discrete, tunable, ceramic, wireless, tubular filters, integrated assemblies, mixers, phase comparators, phase shifters.
LUXCONN Technology
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
310-792-1105 | Torrance, CA
Ceramics capacitors, VCOs, resonators, multilayer ceramic substrates (HTCC/LTCC), thin-film substrates, EMI filters.
Maxim Integrated Products
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
800-333-6254 | St. Petersburg, FL
Power dividers, couplers, isolators, circulators, waveguide components, oscillators, filters, hybrids, attenuators, switches, terminations, amplifiers.
Mercury United Electronics
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.
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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- 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 |
|
 Marvelous
Microwave
Taiwan : +886-2-2609-0667
U.S.A.: 201-793-7229 |
 |
| Marvelous Microwave is a professional supplier of Microwave/RF components, for WiFi, Cellular, Bluetooth, GPS,
DVB-T/S/C, Satellite Communication and related fields. A strong global channel and design group devoted to development
and innovation to meet various changeable market needs. We strive for low cost, fast service, best prices, highest
quality and "marvelous" service. |
|
- Attenuators: Fixed, Adjustable, Programmable
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Adapters: Coaxial, Waveguide
- Amplifiers: Low Noise, Power
- Circulators & Isolators: Coaxial,
Waveguide
- Cable & Cable Assemblies: DC-40 GHz,
Flexible,
Semi-Flex, Semi-rigid
- DC Blocks & Bias Tees
- Directional Couplers: Single, Bidirectional
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Filters & Duplexers: Lowpass, Highpass, BP, BR
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Power Dividers: Isolated, Resistive
- Switches: Coaxial Failsafe, Norm. Open , SPnT
- Transformers
-
Terminations & Matching Pads
- Test Fixtures |
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| DC to 65 GHz frequency range with power levels from 1 to 500 Watts. |
|
 Nortec
RF
Mount Laurel, NJ
856-793-9255
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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.
¤
Amplifiers
- Medium and high gain
- Frequency range of 60 to 500 MHz
- Power levels up to 8 W (+39 dBm)
¤
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
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 NuWaves
Engineering
Middletown, OH
Tel: (513) 360-0800 |
 |
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| 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. |
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Design / Consulting Services
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•
Low Noise Designs
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•
Prototype Development
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•
Reliability Analysis
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•
Distribution Systems
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•
RF Amplifiers
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•
Microwave Techniques
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•
Site Surveys
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•
System Integration
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Products
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•
Antennas
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•
Telemetry Transmitters
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•
RF Tuners
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Bi-Directional Amplifiers
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•
Up/Dn Converters
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Frequency Modulators
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•
Low Noise RF Front
End Amplifiers
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Custom Analog and
RF Filters
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•
Complete RF and Wireless Data Transceivers
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 Oscilent
Irvine, CA
949-252-0522 |
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| Oscilent Corporation is a manufacturer of Frequency Control products offering
design and production expertise in SAW Filters, Quartz Crystals, Crystal Oscillators, Crystal Filters, and Ceramic
Resonators. Our product line includes extensive custom and standard capabilities in Temperature Compensated (TCXO)
and Voltage Controlled (VCXO) Oscillators, in addition to full design and development capabilities in each focus
product category. Oscilent serves OEM, Design, and Contract Manufacturing customers in all major world development
and manufacturing zones. |
| Frequency Components |
» Ceramic
Resonators
» Crystal
Oscillators
» TCXO
/ VCXO
» Quartz
Crystals
» Crystal
Filters
» SAW
Filters
» IF
SAW Filters
» RF
Filters
» Ceramic
Filters |
------------------------
Through-Hole
& Surface Mount
Packages
Available
RoHS / Lead Free
ISO-9002 Certification
------------------------ |
 |
Do you have a custom requirement?
Use our
Custom SAW
Filter Worksheet |
|
MicroAxiom
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
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
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
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
+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
909-627-4125 | Chino, CA
Amplifiers, attenuators, circulators, isolators, frequency multipliers, waveguide couplers, mixers, detectors, filters, pin switches, adapters.
Mini-Circuits
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
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
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
Filters, isolators, power combiners, couplers, RF mechanical switches and PIN diode switches.
Nortec RF
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
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
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.
Panasonic
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
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
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
513-870-9060 | West Chester, OH
Modular digitally tuned RF filters and preselectors.
Q Microwave
619-258-7322 | El Cajon, CA
Custom & standard filters, integrated microwave assemblies, design tools, lab support services.
Quasar Microwave Technology
(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
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
+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
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
914-241-1334 | Mount Kisco, NY
Filters, couplers, coaxial switches, attenuators, power dividers, terminations, bias tees, DC blocks.
RS Microwave
201-492-1207 | Butler, NJ
Filters, multiplexers, subassemblies.
RTx Technology Co., Ltd
+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)
508-653 0844 | Natick, MA
Power dividers, couplers, hybrids, filters, rotary joints, mixers, phase shifters.
Salisbury Engineering (now Spectrum Microwave)
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
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)
407-886-8860 | Apopka, FL
RF, IF filters, duplexers, base stations, wireless LAN.
Spectrum Control, Inc
866-281-0989 | Fairview, PA
Connectors - circular, D-subminiature, DIN, terminal blocks, plugs and jacks, coaxial/RF. EMI/RFI filtered feedthrough connectors
Syfer Technology
+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
886-3-4690038 | Taiwan
RF, IF, crystal filters, SAW filters, crystal resonators, crystal oscillators, VCOs, TCXOs.
TDK
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
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
+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
510-635-4270 | Oakland, CA
Filters, couplers, power divider/combiners, mixers, modulators, switches, isolators, circulators, phase shifters.
Token Passive Components
+886-2-2981 0109 | Taiwan
Ceramic resonators, filters, dielectric patch antennas, resistors.
Toko America
847-297-0070 | Mt. Prospect, IL
Filters, baluns, inductors, antennas, semiconductors, amplifiers, A/D converters.
Trans-Tech
301-695-9400 | Adamstown, MD
Resonators, bandpass filters, garnets, ferrites, dielectrics, substrates.
Trilithic
800-344-2412 | Indianapolis, IN
Attenuators, filters, switches, terminations, emergency alert systems.
Triquint Semiconductor
503-615-9000 | Hillsboro, OR
Wireless, telecom and millimeter amplifiers, GaAs integrated circuits and transistors. SAW filters.
TTE
800-776-7614 | Los Angeles, CA
Bandpass, lowpass, highpass filters, diplexers, multiplexers, cases, balun, isolation & matching transformers.
Tusonix
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
+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
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
732-922-1009 | Asbury Park, NJ
Circulators, isolators, ISO-adapters, filters.
Vanlong Technology
262-534-2888 | Rochester, WI
SAW resonators, SAW filters, ceramic products, oscillators.
Vectron International
888-328-7661 | Hudson, NH
Crystals, oscillators, SAW filters.
Ventronics USA
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
+49 (0) 8152-918230 | Germany
Lowpass, highpass, bandpass, notch filters, diplexers & multiplexers.
Ye Eun Tech
+82-31-459-0960 | Gunpo, Kyunggi, Korea
Coaxial (RF) cable assemblies, adapters, filters, power splitters, and multiplexers. |
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