These companies manufacture oscillators, frequency sources, and frequency synthesizers.
Oscillators come in many varieties with many different frequency determining devices.
Everything from low-tech LC (inductor-capacitor) tank circuits to crystals and YIG
type oscillators are used. High and low accuracy and stability, frequency ranges,
fixed frequency and variable frequency, are among the available options. If you
are looking for test equipment that
performs these functions, please click this link.
Abracon | 949-546-8000 | Rancho
Santa Margarita, CA
Ceramic, SAW, dielectric filters, VCXO, TCXO, clock oscillators,
crystal resonators, magnetics, transformers, chokes, inductors.
Amplifonix (now Spectrum
Microwave, now API Technologies) | 888-553-7531 | Philadelphia, PA
to 2 GHz and VCOs to 20 GHz. 750 datasheets to choose from with customizations requested.
Industry standard packages, aggressive lead times and great customer service, "Cascade"
system simulator software - FREE.
AXTAL GmbH & Co. KG |
Mosbach | Baden-Wuerttemberg | Germany
Quartz crystals, oscillators,
filters, Langasite resonators, piezo sensors, VCO, VCXO, TCXO, OCXO, DOCXO, GPS-OCXO.
Bliley Technologies | 814-838-3571
| Erie, PA
Precision crystal resonators and oscillators with product selection
tools for quartz crystal and crystal oscillator, product family overviews, and engineering
drawings available for online-viewing, or downloading in the popular ".PDF" format.
Bomar Crystal | 800-526-3935
| Middlesex, NJ
Quartz crystals, clock oscillators, VCXOs and TCXOs.
Centellax | 866-522-6888
Santa Rosa, CA
Amplifier modules, amplifier, switch & attenuator ICs frequency
dividers, I/Q modulators, synthesizers, test & measurement products.
Cernex | 408-541-9226 |
Amplifiers, antennas, couplers, isolators, circulators, filters,
diplexers, oscillators, noise sources, switches, phase shifters, transition &
adapters, mixers, waveguide products, attenuators, terminations, detectors, subsystems.
Commutek Electronics Ltd
| 732-698 9933 | East Brunswick, NJ
Quartz crystal devices and oscillators.
Connor-Winfield | 630-851-4722
| Aurora, IL
Crystals, VCOs, VCXOs, TCXOs, OCXOs, VCSOs, clock oscillators.
Crystek Crystals | 800-237-3061
| Ft. Myers, FL
Quartz crystals, XOs (clock oscillators), TCXOs (temperature
compensated oscillators), VCXOs (voltage controlled oscillators), and TCVCXOs (temperature
compensated voltage controlled oscillators), VCO line from 50 MHz to 3.5 GHz.
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.
dBm Corp | 973-709-0020
| Wayne, NJ
Noise generators, satellite link emulators, RF up/down converters,
frequency synthesizers, attenuators.
Delta Electronics | 510-668-5100
| Fremont, CA
Switching power supplies, chip inductors, DC/DC converters, voltage
regulator modules, EMI filters, voltage controlled oscillators (VCO), temperature
controllers, thermal management products, video displays.
Ecliptek | 800-433-1280
| Costa Mesa, CA
Thru-hole, surface mount oscillators & crystals, metal,
PCB, ceramic and plastic packages.
Elcom Technologies |
201-767-8030 | Rockleigh, NJ
Designs, develops, manufactures and markets state-of-the-art
RF and microwave modules & sub-systems including frequency synthesizers, phase
locked oscillators, fiber optic products, and custom modules, for commercial &
Elisra Microwave Division
| 972-3-6175273 | Israel
Microwave and millimeter-wave components DC-40 GHz:
amplifiers, control devices, DLVA's, log amplifiers, multi-function modules, super-components,
frequency sources and more.
EM Research | 775-345-2411
| Reno, NV
Manufactures the most complete lineup of high-performance standard
and custom-designed signal sources in the microwave industry. We specialize in surface-mount
and modular Phase-Locked Oscillators (PLO) and Frequency Synthesizers (PLL) from
4 MHz to over 30 GHz for commercial and military systems.
EMF Systems (now Spectrum
Microwave, now API Technologies) | om814-237-5738 | State College, PA
oscillators, frequency synthesizers, coaxial resonators, phase locked oscillators,
Emhiser Micro-Tech | 775-345-0461
| Verdi, NV
VCO packages - EVCO series & ELCO series.
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. Please visit our web site or call.
FM Ingenierie (now
ORMELABS) | +33 951486698 | France
Programmable attenuators, frequency synthesizers,
RF filters, ISM-band ID systems, custom design, Smith Chart software.
| 800-800-9825 | Huntington Beach, CA
Crystals, inductors, clock, voltage controlled,
temperature compensated, oscillators, monolithic crystal filters.
General Electronic Devices
| 760-591-4170 | San Marcos, CA
VCOs, OCXOs, VCXOs, TCXOs, VCTCXOs, DROs, frequency
translators, synthesizers, microwave amplifiers, clock oscillators and crystals.
(now Herley, now Ultra Electronics) | 717-735-8117 | Lancaster, PA
modulators, power dividers, oscillators, synthesizers, phase shifters, switches.
| 717-766-0223 | Mechanicsburg, PA
Crystal oscillators, OCXOs, TCXOs and VCXOs
| 973-334-2676 | Boonton, NJ
Capacitors for RF and microwave applications, fiber
optic connectors, adapters, variable attenuators, ferrules, and sleeves for single
mode and multimode applications, cable assemblies, termination kits.
Herley (now Ultra
Electronics) | 717-735-8117 | Lancaster, PA
Attenuators, modulators, power dividers,
oscillators, synthesizers, phase shifters, switches.
High Sierra Microwave
| 530-644-3393 | Camino, CA
Designs and builds PLL signal sources, up/down converters,
low noise amplifiers, and comb marker generators (weak signal sources). Also provides
RF/microwave test/measurement services, such as phase noise measurements to 40 GHz.
Hittite Microwave Corp
| 978-250-3343 | Chelmsford, MA
Amplifiers, attenuators, frequency multipliers,
mixers, modulators, prescalers, switches, VCOs.
ILSI America | 888-355-4574
| Reno, NV
Frequency control products - crystals, data clock oscillators, VCXO,
VCO, TCXO, TCVCXO, OCXO, crystal filter, saw filter synthesizers.
KVG Quartz Crystal Technology
| +49-0-7263-648-126 | Neckarbischofsheim, Germany
low g sensitivity (LGS) technology, RF TCXOs and OCXOs, ceramic & crystal oscillators &
filters. Surface mount & connectorized packages available.
Kyocera | Produces
ceramic capacitors, piezo products and RF modules utilizing fine ceramic technologies,
and crystal products using high purity quartz crystals.
Lotus Communication Systems
| 888-236-8588 | Weston, MA
RF modular system components up to 20 GHz - amplifiers,
filters, attenuators, limiters, oscillators, bias-Ts. COTS shielded enclosures w/SMA
connectors for RF / electronics prototyping. Customization to your specification
from prototype to production.
Lucix Corporation | 805-987-3677
| Camarillo, CA
Specializes in military compliant hardware, featuring rugged
construction and hermetic housings, military airborne and ground environments, and
MIL-STD screening and quality systems. Frequency converters, dielectric resonator
oscillators, low noise and medium power 0.01 to 45 GHz power amplifiers 10 to 150
Watts UHF to Ka Band. Military and space environments, qualification, screening,
MCLI | 800-333-6254 | St.
Power dividers, couplers, isolators, circulators, waveguide components,
oscillators, filters, hybrids, attenuators, switches, terminations, amplifiers.
Mercury United Electronics
| 909-466-4027 | Rancho Cucamonga, CA
Since 1973, is a manufacturer of frequency
control products including crystals, oscillators, low EMI spread spectrum clocks,
TCXO’s, VCTCXO’s, VCXO’s, OCXO’s and monolithic crystal filters.
Micro Crystal | 847-818-9825
| Arlington Heights, IL
SMD crystals, AT cut, 10 kHz to 200 MHz crystals, OCXO,
VCXO, ceramic SMD, 1 Hz to 160 MHz oscillators.
Micro Lambda Wireless
| 510-770-9221 | Fremont, CA
Oscillators, filters, multipliers, drivers/control,
Micronetics | 603-883-2900
| Hudson, NH
Test equipment, noise sources, voltage controlled oscillators, switches,
limiters, phase shifters, attenuators.
| 714-505-0998 | Tustin, CA
Phase locked or free running dielectric resonator
oscillators (DRO), 2.8 GHz to 60.0 GHz, ovenized crystal oscillator 70-120MHz.
Mid-Atlantic RF Systems
| 410-893-2430 | Forest Hill, MD
Hybrid, directional couplers, switches, RF power
dividers, RF amplifiers, synthesizers, distribution assembly, contract RF assembly.
Miteq | 631-436-7400 | Hauppauge,
Amplifiers, mixers, frequency multipliers, passive power components, solid-state
switches, attenuators, power dividers, RF and IF signal processing components, oscillators,
frequency synthesizers, integrated multifunction assemblies, fiber optic products,
up/downconverters, test translators, IF/video equalizers, redundancy switchover
units, video modulators and modems.
| Newburyport, MA | 978-465-6064
Log, linear amplifiers, FM discriminators, IF
limiters, VCXOs, OCXOs, TCXOs, small modular fixed frequency synthesizers.
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.
Nexyn Corp | 408-982-9339
| Santa Clara, CA
PLDROs from 3 to 23 GHz and PLO's from 300 MHz to 3 GHz, crystal
references & phase locked references from 50 to 400 MHz, frequency synthesizers.
Norden Millimeter |
530-642-9123 | Placerville, CA
Microwave & Millimeter wave components from
500 MHz to 110 GHz, amplifiers, frequency multipliers, up/down converters, filters,
oscillators, integrated assemblies.
Nova Engineering | 5513-642-3000
| Cincinnati, OH
NovaSource is a small, low-cost and easy-to-use programmable
signal generator with a Windows-based user interface. NovaSource not only saves
space on your lab bench or test rack, but also saves money in your capital equipment
OmniYIG | 408-988-0843
| Santa Clara, CA
Band reject, bandpass Yig filters, Yig oscillators, Yig multipliers,
comb generators, detectors, limiters.
Orban Microwave (OMP)
| 915-590-0825 | El Paso, TX
Frequency converters, power amplifiers, low noise
amplifiers, local oscillators, patch antennas, parabolic antennas and antenna arrays
for WLAN, GPS, cellular, point to point, satellite and other applications.
Oscillatek (now Vectron)
| 888-328-7661 | Hudson, NH
VCXOs (voltage controlled crystal oscillators), VCSOs
(voltage controlled SAW oscillators) EMXO's & OCXOs (evacuated & oven controlled
crystal oscillators), TCXOs (temperature compensated crystal oscillators), XOs (crystal
oscillators), frequency translation & clock smoothing products, clock &
data recovery products, timing modules, crystals, SAWs (surface acoustic wave filters).
Oscilent Corporation | www.oscilent.com
| 949-252-0522 | Irvine, CA
Oscillent refuses to pay their final bill to RF Cafe.
Phase Matrix | 408-428-1000
| San Jose, CA
RF and microwave test and measurement instruments, subsystems,
and components. Benchtop frequency counters, modular (VXI) pulsed frequency counters,
and modular (VXI and PXI) synthetic instruments including down/up converters, synthesizers,
and LOs for both commercial and military applications. Instrument-grade, fast-switching
synthesizer modules. Narrowband and broadband microwave components, ranging from
VCOs to complex custom-built assemblies for military instrumentation and telecommunications
Poseidon Scientific Instruments
| ++61 8 9430 6639 | Fremantle, Australia
Ultra low phase noise microwave oscillators,
phase noise analyzers for 5 MHz to 18 GHz and above.
Praxsym | 217-897-1744
| Fisher, IL
Test equipment to determine best layout for wireless communications
systems. PAMS (Portable Attenuation Measurement System), PAMS-C (Commercial
PAMS model), PathTrax, T-Meter broadband wireless power meter family, SEITS (Shielded
Enclosure Isolation Test Set), single & dual output synthesizers, DDS, RF power
management & monitoring.
Pro-Comm | 732-206-0660
| Brick, NJ
RF amplifiers, triode cavity oscillators, sources, transmitters,
test equipment for cellular, military, medical, sterilization, for university and
private labs. 600-3000 MHz, 500 W peak to 50 kW peak nominal. Design,
manufacture and service RF drivers. Repair/refurbish medical RF drivers manufactured
by SPC, MPD, Titan Beta, Micon, Siemens, SGS Thomson, Varian, Comtech, Pro-Comm.
Princeton Microwave Technology
| 6609-586-8140 | Mercerville, NJ
Manufacturer of high quality oscillators and
amplifiers for the military and telecommunications markets - DRO, PLDRO, coaxial
resonator oscillators, Military | Satcom amplifiers, power dividers, phase noise
measurement system, phase shifters, phase locked YIG frequency synthesizers.
Pulse Research Lab
| 3310-515-5330 | Torrance, CA
Coupling and termination modules, RF power dividers &
splitters, clock sources, RF switches & scanners.
Q-Bit (now Spectrum Microwave,
now API Technologies) | 8888-553-7531 | Palm Bay, FL
Amplifiers, mixers and VCOs.
750 datasheets to choose from with customizations requested. Industry standard packages,
aggressive lead times and great customer service.
Q-Tech | 3310-836-7900 |
Culver City, CA
Complete crystal oscillator capability, ranging from standard
clock oscillators to MCXO's.
Qualcomm | 8858-587-1121
| San Diego, CA
CDMA wireless technology, CDMA2000 (1X and 1x EV-DO) and WCDMA
Radian Technologies (now Spectrum Microwave) | specwave.com
|8888-553-7531 | Palm Bay, FL
RF & Microwave Filters including cavity filters,
lumped elements, ceramic filters, waveguide filters, tubular filters, suspended
substrate, diplexers, triplexers.
QuinStar Technology | 310-320-1111
| Torrance, CA
Designs and manufactures millimeter-wave products for communication,
scientific, and test applications including millimeter-wave products, microelectronic
assembly, rapid prototyping, and mass customization.
attenuators, circulators & isolators,
radar subsystems are offered.
Rakon | +64 9 573 5554 |
GPS, general communication, microprocessor, SMD communication RSX,
SMD communication UM, SMD microprocessor 49/SM, SMD microprocessor CSX, tuning fork
crystals, clock oscillators, GPS TCXO's, integrated TCXO's & VCTCXO's, SMD clock
oscillators, SMD TCXO's & VCTCXO's, temperature output oscillators, thru-hole
TCXO's & VCTCXO's, voltage controlled crystal oscillators.
Raltron | 305-593-6033
| Miami, FL
Clock oscillators, crystals, crystal filters, OCXOs, TCXOs, VCOs,
VCXOs programmable clocks, resonators, SAW devices, synchronization modules.
Ray Micro Devices
| 7717- 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 Monolithics | 8800-704-6079
| Dallas, TX
Provider of RF solutions and wireless telemetry systems.
Roswin | 82-41-621-4450
| ChungNom, Korea
Products include phase locked loop modules, voltage controlled
oscillators, low noise amplifiers, high power amplifiers, dielectric filters, LC
filters & UDC modules.
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.
(now Spectrum Microwave, now API Technologies) | 8888-553-7531 | Delmar, DE
integrated microwave assemblies, tuners, synthesizers, filters, reference oscillators,
harmonic generators. Call to discuss with an engineer your microwave component or
SigFox Systems |
06 07 74 66 01 | France
Software Definable Radio (SDR) designs. Long Range (20km)
USB Bluetooth modules. High resolution 0 to 3 GHz Frac N synthesizers(1 Hz steps,
better than -100 dBc | Hz @ 1 kHz), PA modules : 20 W Linear (60 W w/heat sink)
1.2/1.5GHz. LDMOS 400 to 1550 MHz in 7 to 9% BW @ 2 to 4 W.
Silicon Devices (UK) Limited
| ++64 7 574 2894 | UK
Voltage controlled oscillator modules, ZigBee RF front-ends,
ISM, UHF band transceivers, DAB radio receivers, RFID transponders, SRD modules,
RFIC die, RF Power Amplifier modules, integer-n and fractional-n Phase locked loops,
sigma delta PLL, obsolete RFICs and analog devices.
Sirenza Microdevices (now
RFMD, now QORVO) | 336-664-1233 | Greensboro, NC
Designer & manufacturer
of RF components serving existing and emerging wireless and wireline markets, offering
a wide range of innovative RF solutions for transmitter, receiver and transceiver
designs including amplifiers, transistors, mixers, modulators, VCOs, PLLs, demodulators,
stripline couplers, transformers.
Sivers IMA AB | +46-8-7036800
| Kista, Sweden
VCOs, PLLs & Synthesizers, FMCW radar sensor front ends,
millimeter wave transceiver products.
Suntsu Frequency Control
| 9949-955-2195 | Newport Beach, CA
Quartz crystals, crystal oscillators, oven
controlled crystal oscillators (OCXOs), temperature compensated crystal oscillators
(TCXOs), voltage controlled crystal oscillators (VCXOs).
| 9973-881-8800 | Paterson, NJ
Attenuators, switches, couplers, DC block, demodulators,
filters, frequency synthesizers, SAW oscillators, mixers, phase shifters, power
dividers, transformers, VCOs, test fixtures.
Techtrol Cyclonetics |
717-774-2746 | New Cumberland, PA
Ultra low noise crystal controlled microwave
sources, frequency multipliers, phase locked multipliers, and crystal controlled
oscillators for military & commercial markets.
Tech Time, LTD | +972-4-6263891
Clocks, VCXOs, OCXOs, TCXOs, crystals, frequency modules.
Teledyne Cougar | 408-522-3838
| Sunnyvale, CA
RF and microwave cascadable amplifiers and subsystems in 100
kHz to 12 GHz range. Detectors, limiters, limiting amplifiers, attenuators, AGC
amplifiers, oscillators w/MMIC amplifiers.
| 8847-934-4141 | Rolling Meadows, IL
Crystal units, clock oscillators, VCOs,
VCXOs, TCXOs, VCTCXOs, crystal filters.
Torex Semiconductor | 949-261-2022
| Irvine, CA
Voltage detectors, power MOSFETs, voltage regulators, opamps, DC
| DC Converters, CMOS logics, charge pump, inverter ICs, oscillators, temperature
sensors, PIN diodes.
Trak Microwave | 888-283-8444
| Tampa, FL
Attenuators, circulators, isolators, comb generators, control devices,
couplers, delay line filters, GPS time & frequency, hybrids, IQ mod & demod,
mixers, multipliers, oscillators, phase shifters, splitters & combiners, synthesizers,
Universal Microwave Corp (now
RFMD, now QORVO) | 8877-862-9873 | Tempe, AZ
VCOs and synthesizers.
Valpey Fisher Corp
| 800-982-5737 | Hopkinton, MA
Quartz crystals, XOs, VCXOs, OCXOs, high reliability,
Vectron International |
888-328-7661 | Hudson, NH
Crystals, oscillators, SAW filters.
VN-Technology | +972-46260505
| Or-Akiva, Israel
High precision timing, frequency control and synchronization
products including clock oscillators, VCXOs, FCXOs, TCXOs, OCXOs, synthesizers and
Wenzel Associates | 5512-835-2038
| Austin, TX
Crystal oscillators, RF modules, synthesizers.