companies can supply your requirements for RF combiners, couplers, & dividers. All ranges of form factors, power
handling, coupling and isolation values, connector types, and other parameters are available. Most will design and
manufacture custom products to meet your needs. I of course request that you check with RF Cafe Advertisers first,
out of an appreciation for their underwriting of the website.
RF power combiners and dividers are compliments
of each other and can usually be used interchangeably. The power combiner takes multiple inputs and effectively
algebraically adds them together at the output. The power divider splits the input into two or more branches, usually
with an equal portion to each branch. Sometimes there are phase shifts deliberately inserted in one or more of the
RF power couplers are also reciprocal devices in that the coupled ports can be used to sample a portion of the
mainline power, or they can be used to inject a signal into the main signal path. A bidirectional coupler provides
a sample port in both the forward and reverse directions; they are often used to measure VSWR.
One important thing to keep in mind is that specified values for coupling are only guaranteed at 50+j0 ohms,
or whatever the characteristic impedance of the attenuator model happens to be (50 and 75 ohms most common). The
farther away from the characteristic impedance the connected ports are, the farther from the spec the coupling value
An online RF power couplers calculator
is available here.
NOTICE: Most search engines do a really good job of locating useful data if your search terms are well
thought out, so rather than me supposing I know what you are looking for, I have provided a Search box at
the top of the page for you to
use. If you are interested in advertising, please visit my
Advertising information page. Thank you.
Aeroflex Inmet, Inc
888-244-6638 | Ann Arbor, MI
Fixed, 2.4mm, 2.92mm, 3.5mm, 7mm, 7/16, SMA, N, F, BNC,
TNC, GPO connectors, from dc to 2, 4, 6, 12.4, 18, 26.5, 40 & 50 GHz, values 0 to 60 dB, power to 300 W.
Aeroflex Weinschel, Inc | aeroflex.com/ams/weinschel/micro-weinschel-prods.cfm
| Frederick, MD
Attenuators, terminations, adapters, connectors, power splitters, dividers, phase shifters, DC
Aircom Microwave | waveguide-components.com
978-544-8225 | Orange, MA
adapters, attenuators, bends, detectors, directional couplers, frequency meters, loads, phase shifters, power dividers,
pressurizing components, straight sections, switches, transitions, tuners, twists.
AKON | akoninc.com
408-432-8039 | San Jose, CA
Microwave amplifiers 0.5 to 20.0 GHz, power
dividers & 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.
Anaren | anaren.com
800-544-2414 | East Syracuse, NY
Couplers, power dividers, quads,
splitter/combiner networks, baluns, vector modulators, mixers, resistors, terminations, attenuators, circulators,
isolators, delay lines, switches, ceramic circuit-board and component solutions.
ARRA | arra.com
516-231-8400 | Bay Shore, NY
Attenuators, blocks, DC couplers, dividers/combiners,
filters, line stretchers, path simulators, phase shifters, shorts, RF switches, terminations, adapters, horns, waveguide.
Barth Electronics, Inc | barthelectronics.com
702-293-1576 | Boulder City, NV
power dividers, voltage probes, pulse generators.
Blueline Engineering Corp | bluelineengineering.com
203-838-8296 | Norwalk, CT
Components, 100 MHz-40 GHz, including amplifiers, equalizers, DLVA's, SDLVA's, Log IF, integrated subassemblies,
switched filters, switched multipliers, upconverters, and downconverters.
BroadWave Technologies | broadwavetechnologies.com
317-346-6101 | Franklin, IN
attenuators, power combiners, power dividers, power couplers, terminations, high power, 1-1500 Watts, connectors,
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 (now Smiths Microwave)
805-482-7280 | Camarillo,
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.
Connecticut Microwave | connecticutmicrowave.com
203-250-9678 | Cheshire, CT
couplers, circulators, terminations, filters, coaxial & waveguide adapters, diodes, detectors.
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.
Credowan | credowan.com
+44 (0) 1243 670711 | UK
Manufacturer and supplier of microwave
equipment including waveguides, couplers, diplexers, anechoic chambers, antenna rotary joints, antenna, radar &
satellite communications subsystems & components for commercial and military applications.
Custom Microwave Components, Inc | customwave.com
510-651-3434 | Fremont, CA
microwave PIN diode & GaAs FET switches, switch matrices, switch/filter matrices, analog & digital attenuators
and phase shifters, limiters, power dividers/combiners, couplers, fixed & variable equalizers.
Electromagnetic Technologies Industries (ETI) | etiworld.com
973-394-1719 | Boonton, NJ
Unique technological breakthroughs in defense and telecommunications systems in antenna beam former networks and
MMICs as well as power dividers, active & passive phase shifters, directional couplers, switching & distributed
networks, mixer & modulating devices, filters & multiplexers and other components.
Filtel | filtel.com
450-455-6082 | Canada
Couplers, power dividers, isolators, coaxial &
G.T. Microwave | gtmicrowave.com
973-361-5700 | Randolph, NJ
Attenuators, switches, phase
shifters, vector, pulse, BPSK, QPSK modulators, power dividers\combiners, directional couplers & detectors,
negative\positive gain equalizers, low, high & bandpass filters, 90° & 180° quadrature hybrids, engineering
consulting services, frequency discriminators, oscillators, RF subsystems.
Hittite Microwave Corp | hittite.com
978-250-3343 | Chelmsford, MA
frequency multipliers, mixers, modulators, prescalers, switches, VCOs.
Jampro Antennas - RF Systems | jampro.com
916-383-1177 | Sacramento, CA
at a reasonable price, supplier of antennas, combiners & filters and RF components for every application in
the broadcast industry from analog to FM, HD and DTV/DVB applications.
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.
Krytar | krytar.com
877-734-5999 | Sunnyvale, CA
Couplers, combiners, hybrids, detectors,
terminations, power meters & power sensors.
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.
Marki Microwave | markimicrowave.com | 408-778-4200 | Morgan Hill, CA
couplers, DC blocks, dividers, doublers, fiber-optic devices, mixers, waveguide.
Maury Microwave | maurymw.com
909-987-4715 | Ontario, CA
Adapters, ATE, cable assemblies,
connectors, noise sources, terminations, test equipment, tuners, waveguide.
MCLI | mcli.com
800-333-6254 | St. Petersburg, FL
Power dividers, couplers, isolators,
circulators, waveguide components, oscillators, filters, hybrids, attenuators, switches, terminations, amplifiers.
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.
Micronetics (now Mercury Systems)
603-883-2900 | Hudson, NH
noise sources, voltage controlled oscillators, switches, limiters, phase shifters, attenuators.
Microtech, Inc | microtech-inc.com
203-272-3234 | Cheshire, CT
Waveguide rotary joints,
bends, straight, twists, adapters, couplers, horns, terminations, tees.
Microwave Components and Systems, Inc | mcsproducts.com
508-480-0106 | Marlboro, MA
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 Devices | mwdevices.com
888-736-8837 | Franklin, IN
directional couplers, filters, isolators/circulators, cable assemblies, measurement equipment.
Mid-Atlantic RF Systems, Inc | midatlanticrf.com
410-893-2430 | Forest Hill, MD
directional couplers, switches, RF power dividers, RF amplifiers, synthesizers, distribution assembly, contract
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
Miteq | miteq.com
31-436-7400 | Hauppauge, NY
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.
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.
Nanowave | nanowave.co.kr
+82-43-903-4828 | South Korea
SMD, drop-in, coaxial, waveguide
isolators, circulators, directional, hybrid couplers, 2way, 3way, 4way dividers, attenuators, terminations.
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
Panasonic | panasonic.com
201-348-7000 | Secaucus, NJ
Surface mount capacitors, directional
couplers, antenna switches, SAW filters, attenuators, power dividers, duplexers, transformers, inductors, coils,
Pasternack Enterprises, Inc | pasternack.com
866-727-8376 | Irvine, CA
Amplifiers to 2
GHz, attenuators 1 - 1000 W DC - 40 GHz, circulators/isolators 1 - 26.5 GHZ w/SMA connectors, combiners/dividers
2 - 12 way 1 MHz - 18 GHz, couplers low & high power 0.5 - 18 GHz, switches manual & diode DC - 18
GHz, terminations 1/2 - 100 W DC-40 GHz, waveguide 1.70 - 40 GHz.
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.
Princeton Microwave Technology Inc | princetonmicrowave.com
609-586-8140 | 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 | pulseresearchlab.com
310-515-5330 | Torrance, CA
Coupling and termination
modules, RF power dividers & splitters, clock sources, RF switches & scanners.
Quasar Microwave Technology (now The Waveguide Solution)
1626 835255 | UK
Flexible twistable and rigid waveguides, flanges, pressure windows, power splitters, hot stand-by
couplers, filters, diplexers.
Radiall | radiall.com
203-380-9800 | Stratford, CT
Antennas, attenuators, couplers, DC
blocks, detectors, fiber optic components, phase shifters, surge protectors, terminations, coaxial adapters, connectors,
Raditek | raditek.com
408-266-7404 | San Jose, CA
oscillators, synthesizers, couplers, splitters, combiners, hybrids, adaptors, cable assemblies, connectors, terminations,
attenuators, bias tee's, lightning protectors.
Renaissance Electronics | rec-usa.com
978-772-7774 | Harvard, MA
Manufacturer of RF &
microwave sub-systems and components including isolators & circulators, dividers & combiners, waveguide
components, coaxial RF switches, switch matrices, base station equipment.
Response Microwave | responsemicrowave.com
978-772-3767 | Devens, MA
Manufacturer of drop-in
and connectorized hybrids & couplers, combiners & dividers, filters & diplexers, isolators &
circulators, coaxial & optical attenuators & adaptors, terminations, surge protection, delay lines, connectors,
cable & cable assemblies, laser diodes, and custom assemblies.
RF & Noise Components Ltd | rfandnoisecomponents.co.uk
+44 (0) 5601 06 69 30 | Southend-on-Sea,
Design & manufacturer of RF & microwave components, including circulators, isolators, combiners,
couplers, dividers and power monitors. Specialising in custom designs to meet individual customer requirements.
RF-Lambda | rflambda.com
613-592-6858 | Canada
Couplers, circulators, isolators, mixers,
attenuators, coupler, power amplifiers, LNA, VCO, switches, oscillators, connectors, adapters.
RFHIC Corporation USA | rfhic.com
919-342-7099 | Cary, NC
CATV hybrid line amplifiers,
broadcasting amplifiers, FTTH amplifiers, digital TV application, MMIC (GaN, GaAs), high power transistors (GaN),
low noise, wideband, & radar pallet amplifiers, PLLs, mixers, directional couplers.
RF Power Components (now Anaren)
800-544-2414 | East Syracuse, NY
power dividers, quads, splitter/combiner networks, baluns, vector modulators, mixers, resistors, terminations, attenuators,
circulators, isolators, switches, ceramic circuit-board and component solutions.
RF Power Systems | rfpowersystems.com
623-376-7720 | Peoria, AZ
Impedance matching transformers,
splitters and combiners for RF amplifiers. We fill orders of all sizes using the finest materials and workmanship.
We can also fill special orders to customer specifications.
RLC Electronics | rlcelectronics.com
914-241-1334 | Mount Kisco, NY
coaxial switches, attenuators, power dividers, terminations, bias tees, DC blocks.
Sage Labs - Filtronic (now Spectrum Microwave)
508-653 0844 | Natick,
Power dividers, couplers, hybrids, filters, rotary joints, mixers, phase shifters, including Wireline and
SHF Communication Technologies | shf-communication.de
+49-30-772-051-23 | Germany
- 3.5mm, 2.4mm, 2.92mm, 1.85mm, amplifiers (DC to > 50 GHz), connectors - 1.85mm, 2.92mm, optical transmitters,
receivers, phase shifters, test equipment pattern generators, error analyzer, multiplexer, demultiplexer, clock
recovery, bias tees, DC blocks, monitor tee, power dividers.
Suncoast Microwave, Inc | suncoastmicrowave.com
727-573-1280 | Clearwater, FL
cost effective waveguide components including flexible, terminations, adapters, and couplers.
Synergy Microwave | synergymwave.com
973-881-8800 | Paterson, NJ
couplers, DC block, demodulators, filters, frequency synthesizers, SAW oscillators, mixers, phase shifters, power
dividers, transformers, VCOs, test fixtures.
Taylor Microwave, Inc | taylormw.com
973-890-7763 | Clifton, NJ
couplers, bias tees, DC blocks, hybrids, power dividers, PIN diode switches, phase shifters, oscillators, integrated
TELSA | telsasrl.it
+390354876000 | Osio sotto (BG) Italy
antennas, combiners, couplers, circulators, filters, duplexers, power splitters and components for the air traffic
control, private mobile radio, cellular, wireless communications and tactical markets.
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
Vector Telecom Pty Ltd | vectortele.com
+61 3 9607 8357 | Melbourne , Australia
components and assemblies, coaxial components and antennas.
Waveline, Inc | wavelineinc.com
973-226-9100 | Fairfield, NJ
RF & microwave solid
state and waveguide components - PIN diode components, switches, analog and digital attenuators & phase shifters,
custom subassemblies, couplers, dividers, combiners, modulator.
Werbel Microwave | werbelmicrowave.com
Livingston, New Jersey | 973-900-2480
RF and microwave
passive components that operate up to 18 GHz. Products and designs are for the commercial wireless industry, featuring
power dividers & combiners, directional and hybrid couplers, bias Ts, and resistive dividers.
Werlatone | werlatone.com
914-279-6187 | Brewster, NY
Directional couplers, combiners,
Wisewave Technologies (now Ducommun Technologies)
Amplifiers, antennas, attenuators, PIN diode switches, phase shifters, isolators/circulators, frequency converters,
oscillators, couplers, magic tees, coax power dividers, bandpass, low pass, high pass filters, waveguide diplexers,
transitions, waveguide to coax adapters, waveguide components, integrated assemblies.
Woken Technology | woken.com.tw
+886-3-397-9900 | Taiwan
2.4 GHz embedded dipole antenna,
433 MHz & 2.4 GHz indoor dipole antennas, coaxial cable assemblies, flexible & semi-rigid, coaxial connectors
to volume OEM manufacturers. SMA, SMB, MMCX, MCX, SSMT, N, TNC-series, BNC, Mini-UHF, FME, reverse-BNC, Reverse-TNC,
Reverse-SMA, reverse-MMCX, SMA, N, BNC, F, UHF, mini UHF series adapters, BNC termination, F termination & fixed