Please show your appreciation for these sponsors who help keep RF Cafe online by visiting their websites and using their products and services when possible.
 | 3Gmetalworx | RF/EMI PCB-level shielding. Basic shielding cans for permanent installation single-cavity shield sets. Cover can be removed and re-installed on multi-cavity shield sets. |
 | Alliance Test Equipment | Sales, rentals and leasing of refurbished electronic test and measurement equipment to the R&D, manufacturing and quality assurance industries. All major lines. |
 | American Microwave (AMC) | Solid state switches & attenuators, phase invariant digital programmable attenuators, detector log video amplifiers (DLVAs) in active and passive RF / microwave components and assemblies. Also replace obsolete parts. |
 | American Radio Supply | We stock hundreds of popular radio parts and accessories. Our customers include ham radio operators, broadcast engineers, electronic technicians, colleges, universities, the military and other government agencies. |
 | American Standard Circuits (ASC) | Manufacturer of RF, digital, advanced tech PCBs. FR4, Teflon, Polyimide & hybrid multilayers. Rogers, Taconics, Arlon, Gore, & Nelco. Special technologies and R&D work. Mil Cert. 31032 / 55110. |
 | Amplical | Premium quality amplifiers and attenuators at affordable prices using GaAs technology. Amplifiers (high power, maximally flat), switched attenuators, modulators, custom RF Microwave assemblies. |
 | Antenna Factor | Standard and custom antennas - monopole, dipole, embeddable, specialty, dualband, GPS, fixed point, Yagi, evaluation systems, custom designs. Hole-mount, magnetic base. |
 | Apex Wireless | Consulting, engineering, and design services for high-performance, cost-optimized products employing wireless RF transmitters, receivers, and transceivers. DSP, ULP, packaging, certification, and manufacturing. |
 | Amplifier Solutions (ASC) | Amplifiers for the commercial & military markets from DC to 4 GHz. Hybrid construction techniques, utilizing chip and packaged semiconductors, on thick alumina substrates or PCB materials. |
 | Analog Devices | Solid state ICs - amplifiers (opamp, linear, log, instrumentation, RF/IF), comparators, detectors, switched filters, ADC/DAC, MEMS sensors, gyroscopes, temperature sensors, power managers, regulators. |
 | Anatech Electronics AMCrf | RF & microwave products for military, commercial and wireless communications. Filters for wireless, Wi-Fi. Crystal filters, LC, helical, combline, interdigital, coaxial filters. Connectorized, PC mount. |
 | Applied Computational Sciences (ACS) | Electronic design automation (EDA) software tools for RF and microwave engineering applications. Main product is the LINC2 linear circuit simulator and RF Tools products. |
 | Applied Wave Research (AWR) | High-Frequency EDA for the design of wireless telecommunications equipment & semiconductors Microwave Office, Analog Office, Visual System Simulator (VSS), APLAC, Axiem 3-D EM simulation. |
 | Artech House | A leading technical book publisher in high-tech fields, including communications engineering, RF/microwave design, and computer security - titles that engineers and managers need to excel. |
 | Boonton | Test equipment for measuring the power of RF and microwave systems used in both military and commercial sectors. RF voltmeters, peak & CW power meters, spectrum & modulation analyzers, capacitance meters. |
 | BRL Test, Inc. | A leading dealer of new and reconditioned test and measurement equipment. We buy, sell, rent, lease, repair and calibrate all types of general purpose test and measurement equipment. |
 | Coaxial Dynamics | Measurement and termination equipment for RF Digital broadcast equipment - RF monitors, high power meters, plug-in elements, field strength meters, line sections & elements, signal samplers. |
 | Cobham Antenna Systems (European Antennas) | High gain, printed circuit arrays, ultra wide-band spirals, multi-octave bicones and collinear omni-directional antennas between 100 MHz and 40 GHz. Custom designs. WLAN, RFID, WiMAX, TETRA, telemetry. |
 | Colby Instruments | High-precision programmable delay line (PDL) instruments and modules w/GPIB interface for RF signal applications as phase shifters where extremely high precision accurate delay is required. |
 | Comdel | RF and DC power supply and process instruments for semiconductor, flat panel, industrial heating. RF generators, auto-match impedance monitors, electrostatic chuck power supplies for IC fabrication. |
 | Cross RF | Microwave coax cable assemblies. High volume processing. RG, LMR equivalent flex to semi-flex and semi-rigid cables for most connectors. Attenuators, terminations, dummy loads. MIL/commercial. |
 | Dow-Key Microwave | Electro-mechanical & solid state RF switches. Coaxial & waveguide SPDT, DPDT, transfer, multi-position, matrices, multiple-pole, multiple-throw, 12 x 12, 6 x 12, 8 x 16, 32 x 48, custom. Space qual. |
 | DYNE-TECH | RF and microwave components and subsystems for military and commercial telecommunications systems which benefit from application of experience gained on government and university research programs. |
 | Electro-Photonics | High frequency components and design services. Wire bondable passive components, coaxial products, printed antennas evaluation boards for RF / Microwave components. Custom-design passive components. |
 | Empower RF Systems | High-power solid state amplifiers suitable for virtually any RF, microwave and radar application. Architecture employs full circuit protection against electrical power and RF faults down to the component level. |
 | everythingRF | Parametric search engine for RF & Microwave components. Database has thousands of components from over a hundred manufacturers. Amplifiers, antennas, filters, connectors, power dividers, etc. |
 | Fairview Microwave (formerly S.M. Electronics) | "Value added" distributor of RF, microwave, wireless & fiber optic passive coaxial components - compliance screening available. RF cables & connectors, crimp tools, calibration kits, torque wrenches. |
 | Fotofab | Supplier of custom-made thin metal parts. Chemical etching, metal stamping, RF shielding, or any custom part made out of metal. RF/EMI shielding, metal stamping, lead frames, filter screens. Samples. |
 | Guided Wave Technology | Coupling Matrix Synthesis (CMS) tool facilitates synthesis of N+2 coupling matrices for Chebyshev bandpass filtering functions, with arbitrary finite-position transmission zeroes. |
 | Hittite Microwave | Designs and develops high performance ICs, modules, subsystems and instrumentation for technically demanding digital, RF, microwave and mm-wave applications covering the frequency range of DC to 110 GHz. |
 | HGC Microwave | The KY3840A is a wideband frequency synthesizer module featuring 1 Hz tuning resolution from 29 to 3840 MHz, 6 ms tuning time, very low spurious, and excellent phase noise. Single +15 Vdc power supply. |
 | Innovative Power Products (IPP) | RF passive components - 90° Couplers, directional couplers, RF resistors and terminations. Connectorized, surface mount. Custom designs available. |
 | ISOTEC | RF connectors, cable assemblies and RF/microwave components. SMA, MCX, MMCX, SMB, BNC, TNC, N, SSMB, SSMC, QMA, SMP. Between- and within-series adaptors. Surge arrestors, attenuators. |
 | JFW Industries | Attenuators, RF switches, specialized test systems for use in the cellular, telecom, OEM test equipment, medical, automotive, defense, and automated test systems markets. |
 | Jyebao | Connector, cable, cable assembly and passive components. RF connectors & adapters. Semi-rigid & hand-bendable, and flexible cable assemblies. Attenuators, dividers/combiners, DC blocks, terminations. |
 | Kete Microwave | RF components like ferrite isolators & circulators, couplers, 3dB hybrids, power dividers/combiners, RF resistors, high power terminations and attenuators, high Q ceramic capacitors, EMI filters, etc. |
 | KR Electronics | Filters for commercial and military markets. Custom & standard filters -bandpass, highpass, lowpass, notch, anti-aliasing, linear phase, fast response, phase matched, absorptive, root & full cosine. |
 | Lemos International | Supplier of wireless modules & products for professionals & hobbyists. Sensors, low power radio data link, ZigBee, Bluetooth, GSM/GPRS, GPS, WiFi modules. Antennas for VHF, UHF, GSM, 3G, PCN, UMTS, GPS, WLAN. |
 | Linx Technologies | Low-cost wireless modules and OEM RF product solutions. RF Modules - LR, LC, KH, ES, HP-3, evaluation systems, broadband amplifiers. Encoders & decoders. Evaluation kits contain everything you need to experiment. |
 | LPR Global GNI Microwave | RF components and subsystems for the wireless and telecomm industries. Filters, duplexers, multiplexers, combiners, splitters, attenuators, VSWR detectors, LNAs, up-down converters, front-end units, and TMAs. |
 | MECA Electronics | RF/Microwave components including fixed attenuators, directional & hybrid couplers, isolators/circulators, power divider/combiners, RF Loads, DC blocks, bias Tees and adapters & cables. All RF realms served. |
 | Microphase Corporation | RF and microwave filters, multiplexers, solid-state switches, switch filters, frequency multipliers, limiters, detectors, detector log video amplifiers and integrated assemblies to military, aerospace and telecom. |
 | Networks International Corporation (NIC) | RF & microwave filters, amplifiers, frequency sources, assemblies for military, commercial & space. Lumped, ceramic, crystal, cavity, combline & interdigital filters. Filter/amplifiers, filter/limiters, switched filter banks. |
 | Noisecom | Off-the-shelf & custom designed noise testing solutions. Noise standards, BER testers, analog & digital noise sources, noise diodes, calibrated noise source, HD radio test set. Repair & calibration services. |
 | Noisewave | Standard and custom noise test solutions to meet commercial and military wireless applications. Noise diodes in TO-8, DIP, or SM pin packages. Calibrated broadband sources ideal for NF measurement & BIT. |
 | NP Technologies | Designs and manufactures solid state broadband linear RF power amplifiers for commercial, military, medical and industrial applications. RF amplifiers range 10 kHz to 3 GHz in frequency and power levels exceeding 1 kW. |
 | NuWaves | RF systems, subsystems, RF products and Engineering Design Services. Turnkey provider for communication custom designs with full project management and design responsibilities - conceptual idea to production. |
 | Orbel Corporation | EMI/RFI shielding, board level RF shielding, photo chemical etched (chemical milling) metal components, metal stampings and electroplating services. Gaskets, finger stock, PCB shields, stampings. |
 | Oscilent | Complete line up of standard SAW filter, crystal oscillator, ceramic resonator, RF filter, and quartz crystal products. Award winning design staff is eager to evaluate and test your custom requirements. |
 | PCB Material World | We buy surplus, obsolete, and offcut RF copper clad laminates. Independent distributor and market maker of PCB raw materials. We buy and sell PCB raw materials such as laminates, copper foil, drill backer. |
 | Phase Matrix | Frequency counters, upconverters/synthesizers, downconverters/local oscillators, frequency synthesizers, broadband/narrowband oscillators, high-speed clocks, custom RF/microwave subassemblies. |
 | Planar Monolithics Industries | MIC/MMIC components, supercomponents, and subsystems for telecom, terrestrial, satellite, and mobile radio, defense, radar, and EW, CATV. Amplifiers, couplers, detectors, filters, switches, modulators, dividers. |
 | Polyphase Microwave | Wide selection of stocked specialty mixers. Quadrature (I&Q) modulators and demodulators, single-sideband modulators, image-reject mixers. Download QMSIM (74 MB), our free quadrature modulator simulation tool. |
 | Procyon PCB | Quick-turn milled prototype PCBs from single sided up to twelve layers or more with 4/4 mil geometry and minimal restrictions. Gerber, Excellon, Sieb & Meier, DXF, Barco, and ODB++ file formats. Up to 40 layers. |
 | Pulsar Microwave | Passive microwave components covering the frequency range of 10 kHz to 40 GHz. We specialize in custom requirements. Power dividers/combiners, directional couplers, RF switches, modulators. |
 | Radio-Electronics | Ian Poole, founder of Adrio Communications and prolific author of many technical books and articles, presents Radio-Electronics.com: The online resource centre for free radio and electronics tutorials. |
 | Reactel | RF and microwave filters, diplexers, and sub-assemblies, DC-50 GHz. Suspended substrate, LC, ceramic, tubular, miniature cavity, waveguide, switched filter banks, combline, interdigital. |
 | Res Net Microwave | A leader in the development and production of the metal films required for these types of RF/microwave attenuators, terminations, and resistors up to 2 kW, for commercial, military, and space applications. |
 | RF Dude | Expert consulting experience in medium volume production where "design for manufacturing", "design for test" and overall solution cost have been very important. All phases of project execution. |
 | RF Micro Devices (RFMD) | Diversified RF solutions provider. Cellular front ends & transceivers, RF components and SOCs for the handset, base station, WLAN, CATV networking, aerospace, defense, and GPS markets. |
 | RFtronics | Turnkey and custom solutions for RF telecom equipment designers and manufacturers. High power couplers, splitters, and combiners between 20 MHz and 3 GHz. Broadband RF power components. |
 | Res-Net Microwave | Designs, develops and manufactures components and systems for the broadband wireless, SCADA, military and telecom industries, from mission critical components for military to increasing the power of WiFi installations. |
 | SigaTek | Microwave communication components up to 60 GHz. Directional couplers, bias-Ts, power dividers/combiners, 3 dB hybrids 90° and 180°, mixers, frequency doublers, terminations, coaxial connectors/adapters. |
 | Skyworks Solutions | An innovator of high reliability analog and mixed signal semiconductors enabling a broad range of end markets: auto, broadband, energy management, industrial, medical, military, cellular. |
 | Sunshine Design Engineering Services | 25 years of RF/analog design engineering and test engineering experience. Hardware and software design with extensive capabilities in process/test automation, database programming, & graphics. |
 | TEGAM | Design, manufacture and support of a wide variety of test, measurement and calibration instruments for RF, analog, optical and nanotechnology. Calibration services available. |
 | Test Equipment Connection | Sales, rentals and leasing of refurbished electronic test and measurement equipment to the R&D, manufacturing and quality assurance industries. All major lines. |
 | Test Parts | New and surplus RF & microwave parts and electronic test equipment. We acquire high-end, superior quality products, then offer a substantial reduction from retail price. Save up to 75% off retail! |
 | TradePub | Sign up for FREE subscriptions to leading industry magazines, white papers, and other literature. If you qualify, there is absolutely no cost to you. |
 | vidaRF | Solutions for defense, multimedia, medical, datacom/telecom and industrial markets. RF connectors, cable assemblies, power dividers, adapters, terminations, attenuators, baluns, surge protectors. |
 | Vector Telecom | Waveguide, coaxial, and antenna components for telecommunications, electronics, space and aviation industries. Frequencies up to 50 GHz. Custom designs available. |
 | Wenteq Microwave | RF & microwave ferrite devices, low noise & power amplifiers, high power waveguide & coaxial high power attenuators & terminations, waveguide components, microwave subsystems. |
 | Z-Communications (Z-Comm) | Voltage-controlled oscillator (VCO) modules, coaxial resonator based high-Q distributed resonators. Exceptionally low phase noise phase-locked loop (PLL) modules. Eval boards & test fixtures. Waveguide components. |