Waveguide RF & Microwave Coupler Basics RF/Microwave couplers are crucial passive components used in a variety of systems, from high-power transmissions and electronic warfare (EW) to test and measurement instrument calibration. Given the range of use cases for RF couplers, there is a diverse scope of coupler types and configurations. One of the most common types of RF couplers...

MPD4-0422CSP2 Power Divider by Marki Microwave The MPD4-0422CSP2 from Marki Microwave is a 4-Way Wilkinson Power Divider/Combiner MMIC that operates from 4 to 22 GHz. It provides an isolation of up to 30 dB, has an amplitude balance of 0.1 dB, and a phase balance of 1.24°. This power splitter is housed in a miniaturized package of...

MMPX-00002PSM Quadplexer by Marki Microwave The MMPX-00002PSM from Marki Microwave is a Passive GaAs Quadplexer MMIC with passbands from DC to 6 GHz, 8 to 10 GHz, 12 to 14 GHz, and 16 to 18 GHz. It has an insertion loss of less than 2.3 dB, and a group delay of up to 344 ps. This quadplexer...

MMPX-00001PSM Quadplexer by Marki Microwave The MMPX-00001PSM from Marki Microwave is a Quadplexer MMIC that operates at frequency ranges from: DC to 4 GHz, 6 to 8 GHz, 10 to 12 GHz, and 14 to 16 GHz. It has a return loss of 8-21 dB, an insertion loss of 0.8 to 2.4 dB, and a group delay...

MXDB-1500WG Waveguide Mixer by Marki Microwave The MXDB-1500WG from Marki Microwave is a Double Balanced Mixer with an RF/LO frequency range from 50 to 75 GHz and an IF frequency range from DC to 25 GHz. It has a conversion loss of 7.2 dB and an LO drive power of 14 dBm. This mixer can be used...

ATN13-00110CH Fixed Attenuator by Marki Microwave The ATN13-00110CH from Marki Microwave is a GaAs RF Attenuator MMIC that operates from DC to 110 GHz. This 13 dB attenuator has an attenuation accuracy of 1.6 dB and has a return loss of 25 dB. It is available as a bare die that measures 0.6 x 0.6 mm and...

C10-2800WG Waveguide Coupler by Marki Microwave The C10-2800WG from Marki Microwave is a Waveguide Coupler that operates from 26.5 to 40 GHz. This 10 dB coupler provides a directivity of more than 25 dB and has an insertion loss of 0.83 dB. It is built with high precision and then gold-plated for high corrosion resistance. This coupler...

EBAL-0067 Balun by Marki Microwave The EBAL-0067 from Marki Microwave is an RF Balun that operates from 10 MHz to 67 GHz. It has an impedance ratio of 1:2 (balance to unbalanced transformer), an amplitude balance of ±1.5 dB, and a phase balance of ±15°. This 50-ohm balun provides an isolation of 5 dB, a common mode...

MXDB-1200WG Waveguide Mixer by Marki Microwave The MXDB-1200WG from Marki Microwave is a Double Balanced Mixer with an RF/LO frequency range from 60 to 90 GHz and an IF frequency range from DC to 30 GHz. It has a conversion loss of 7.5 dB and a nominal LO drive power of 14 dB. This mixer can be...

MPD2-00001PSM Power Divider by Marki Microwave The MPD2-00001PSM from Marki Microwave is a 2-Way Wilkinson Power Divider MMIC that operates from 0.4 to 4 GHz. It uses a mix of lumped elements and distributed circuits to reduce the footprint while maintaining isolation at low frequencies significantly. The divider offers tighter fabrication tolerances that result in fewer unit-to-unit...