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Windfreak Technologies Frequency Synthesizers - RF Cafe

RF Cascade Workbook 2018 by RF Cafe

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Axiom Test Equipment - RF Cafe

RF Cafe Sponsors

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These Are Companies Currently Advertising on the RF Cafe Website

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Aegis Power Systems

Aegis Power Systems

AC-DC and DC-DC power electronics solutions to support military, aircraft, EV, telecom, and embedded computing applications. Design and manufacture of custom power supply solutions to meet each customer's exacting specifications.
Alliance Test Equipment

Alliance Test Equipment

Used / refurbished test equipment with short- and long-term rentals. Repair, maintenance and calibration. Prices discounted up to 80% off list price. A global organization with ability to source hard to find equipment through our network of suppliers.


Manufactures a full line of innovative components and accessories for RF, Microwave, and optical test and measurement equipment, including spectrum, network, and signal analyzers, o-scopes, couplers, attenuators, and much more.
Amplifier Solutions Corporation (ASC)

Amplifier Solutions Corporation (ASC)

Hybrid, surface mount flange, open carrier and connectorized amps for low, medium and high powers using GaN, GaAs, Si transistor technologies. Thick film designs operate 300 kHz to 6 GHz, thin film designs operate to 20 GHz.
Anatech Electronics

Anatech Electronics

Manufactures and supplies RF and microwave filters for military and commercial communication systems, providing standard and custom RF filters, as well as coaxial RF cables, connectors and adaptors.
Axiom Test Equipment

Axiom Test Equipment

Rent, buy, sell, trade, or have test equipment repaired. Comprehensive inventory of RF, analog, and digital test equipment and can use our extensive network to find you those hard to get items.
Berkeley Nucleonics Corporation

Berkeley Nucleonics

Precision test, measurement, and nuclear instrumentation. RF signal, pulse, step, arbitrary waveform, & impedance generators, nuclear particle detectors, phase noise testers, spectrum analyzers, optical & high voltage modules, oscilloscopes, frequency counters, spectrometers, radiation shields, digitizers.
Centric RF

Centric RF

RF and Microwave coaxial components, including attenuators, adapters, cable assemblies, terminations, power dividers, and more. Frequencies 0-110 GHz, and power levels from 0.5-500 watts.
ConductRF RF CAbles & Connectors - RF Cafe


RF coaxial cable assemblies - standard, precision, & custom. Coaxial connectors, between-series adapters, & attenuators. >1,000 solutions for low PIM in-building wireless designers to choose from in the iBwave component library.

Copper Mountain Technologies

Copper Mountain Technologies 

Lab-quality vector network analyzers (VNAs) that provide high accuracy, wide dynamic range, a familiar Windows UI and a broad variety of standard features. 50 Ω and 75 Ω product lines for 1-, 2-, and 4-port measurements.
Empower RF Systems

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.
everything RF

everything RF

Product discovery platform for RF & microwave products and services. Over 100,000 products listed from more than 200 companies across 200 categories enables engineers to search using a customized parametric search tool.
Exodus Advanced Communications

Exodus Advanced Communications

Power and low noise amplifiers ranging from 10 kHz to 51 GHz with various output power levels and noise figure ranges, we fully support custom designs and manufacturing requirements for both small and large volume levels.
Innovative Power Products - RF Cafe

Innovative Power Products (IPP)

RF passive components - 90° Couplers, directional couplers, baluns, RF attenuators, resistors and terminations. Surface mount, drop-in, flanged, and connectorized. Custom designs available.


Designs, develops and manufactures an extensive line of RF/microwave connectors, cable assemblies, attenuators, terminations, couplers, filters, surge protectors, and LNAs. Low PIM designs available.
KR Electronics

KR Electronics

Manufactures all filter types - LP, HP, BP, BS, multiplexer, equalizer, phase splitter - and individually synthesizes filters for special applications. State of the art computer synthesis, analysis and test methods used to meet challenging specifications.
LadyBug Technologies

LadyBug Technologies

USB Power Sensors: True RMS sensors; Peak & Pulse sensors for peak and pulse power, duty cycle and crest factor. Pulse Profiling sensors for triggered pulse measurements and statistical functions including CDF, CCDF and PDF along with time domain trace visibility.
PCB  Directory (78x26)

PCB Directory

Largest directory of printed circuit board manufacturers manufacturers and fabricators on the Internet. Leading PCB around the world and made them searchable by their location and capabilities - laminates used, board thickness supported, layers supported etc.


Many filter designs are available in either tubular, rectangular, or waveguide packages, connectorized or surface mount, and standard or high power versions. Frequencies up to 50 GHz, depending on filter type.
RF & Connector Technology (RFCT)

RF & Connector Technology (RFCT)

RF attenuators, terminations, dummy loads, DC blocks, power couplers, power dividers & splitters, surge arrestors, RF coaxial connectors, RF coaxial cable & cable assemblies, and compact antennas.

RIGOL Technologies



Manufacturer of digital and mixed signal oscilloscopes, spectrum analyzers, function / arbitrary waveform generators, programmable power supplies and loads, digital multimeters, data acquisition systems, and application software.
San Francisco Circuits (90x30)

San Francisco Circuits

Advanced technology PCB fabrication & assembly. San Francisco Circuits is a one-stop supplier with two California locations in San Mateo and San Diego. 40+ layers, prototype & production quantities, 48-hourour prototypes, blind & buried vias, much more.

TotalTemp Technologies 78x26

TotalTemp Technologies

Thermal platforms for cryogenic cooling, recirculating circulating coolers, temperature chambers and temperature controllers, thermal range safety controllers, space simulation chambers, hybrid benchtop chambers, custom systems and platforms.
Werbel Microwave - RF Cafe

Werbel Microwave

RF directional and bidirectional couplers (6 dB to 30 dB) and RF power dividers / combiners (2- to 16-way) with select models operating up to 18 GHz and 100 W of CW power (3 kW peak). RoHS and REACH compliant. Custom designs available. Made in the USA.
Windfreak Technologies



Designs, manufactures, tests and sells high value USB powered and controlled RF signal generators, synthesizers, power detectors, mixers, Upconverters and downconverters.
Wireless Telecom Group - RF Cafe

Wireless Telecom Group

Boonton and Noisecom, part of the Wireless Telecom Group, are global designers and manufacturers of advanced RF and microwave power and noise measurement equipment, including power meters & sensors, analyzers, and noise & jitter sources.
Withwave (78x26)


Metrology quality coaxial test cable assemblies, connectors (wave-, end-, vertical-launch, board edge), calibration kits (SOLT), fully automated VNA calibrator, between- and in-series connector adaptors, attenuators, terminations, test probes & positioners.


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About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2024


    Kirt Blattenberger,


RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

Copyright  1996 - 2026

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

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Innovative Power Products Passive RF Products - RF Cafe

Exodus Advanced Communications Best in Class RF Amplifier SSPAs

ConductRF Phased Matched RF Cables - RF Cafe