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Passive Waveguide Components

Standard MMW Components
Millitech Passive Waveguide Components

Crossguide Coupler (CGC) 3-Port High Directivity Coupler (CL3) 4-Port High Directivity Coupler (CL4) 3-Port Low Loss Directional Coupler (CE3) 4-Port Low Loss Directional Coupler (CE4) Magic Tee Hybrid Coupler  (CMT) Short Slot Hybrid 90° Coupler (CSS) Level Set Attenuator (LSA) Fixed Attenuators (FXA) Variable Phase Shifter (VPS) Waveguide Products Customized Components Back to MMW Product Family List

Passive Waveguide Products
 
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The series CGC crossguide coupler covers 18 to 170 GHz in nine waveguide bands. The typical coupling value is 20 dB, with directivity of 17 dB up to 110 GHz and 12 dB above 110 GHz. For complete coverage of each waveguide band, two models are offered, each covering 70% of the waveguide band. Series CGC is offered with the fourth port (the isolated port) either internally terminated or left open.

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The series CL3 high directivity coupler covers 18 to 170 GHz in nine waveguide bands. The coupler is offered with coupling values of 10, 20, 30 or 40 dB, and covers a full waveguide band. It has directivity of 37 dB up to 60 GHz and drops to 28 dB up to 170 GHz.

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The series CL4 high directivity coupler are available from 18 to 170 GHz, with coupling values of 10, 20, 30 and 40 dB. These couplers have directivity of up to 35 dB with insertion loss as low as 0.8 dB for frequencies below 60 GHz, and 1.5 dB for W-band (WR-10). They operate over full waveguide bands with coupling flatness of less than +/- 0.7 dB.

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Millitech series CE3/CE4 3 or 4 port low loss directional couplers are available from 75 to 325 GHz, with coupling values of 10,15, 25, and 30 dB. These couplers have directivity of up to 35 dB with insertion loss as low as 0.45 dB for W-band (WR-10) and 0.7 dB for 220-325 GHz (WR-03). They operate over full waveguide bands with coupling flatness of as little as ± 0.6 dB (W-band).

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Millitech series CE3/CE4 3 or 4 port low loss directional couplers are available from 75 to 325 GHz, with coupling values of 10,15, 25, and 30 dB. These couplers have directivity of up to 35 dB with insertion loss as low as 0.45 dB for W-band (WR-10) and 0.7 dB for 220-325 GHz (WR-03). They operate over full waveguide bands with coupling flatness of as little as ± 0.6 dB (W-band).

This document link requires Adobe ReaderClick Here to download the CE3 and CE4 product datasheet

The series CMT magic tee hybrid coupler covers 18 to 170 GHz in nine waveguide bands. Each coupler is offered in two versions, one providing a bandwidth of 60% and the other providing a bandwidth of 90%.

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The series CSS short slot hybrid coupler covers 26.5 to 170 GHz in nine waveguide bands. The two output ports are in-line to the input port, and have 90° phase difference with nearly equal power levels over 5% of the center frequency. Isolation between output ports is 20 dB (typical).

This document link requires Adobe ReaderClick Here to download the CSS product datasheet

The series FXA general purpose fixed attenuator consists of a waveguide section with a precisely cut resistive vane. It is available in nine waveguide bands from 18 to 170 GHz. The precision fixed attenuators are made using a rugged split block design. This attenuator can be used as a laboratory standard against which other instruments or components are calibrated

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The series LSA level set attenuator consists of a waveguide section with a precisely cut resistive vane. The attenuator is available in nine waveguide bands from 18 to 170 GHz

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The series VPS variable phase shifter consists of a waveguide section with a movable dielectric vane driven by a micrometer. This arrangement provides a phase shift range of 180°.

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Millitech will engineer custom variations of our standard MMW components, as well as, multi-component assemblies and solutions, with minimal non-recurring engineering (NRE) costs, to meet your specific requirements. Typically these modification are to meet one or more of the following requirements:

  • Tuned for specific performance characteristics
  • Extended operational temperatures
  • MIL/Space qualified
  • Hi-rel screening
  • RoHS compliant
  • ITAR compliant

Click Here for more information on Millitech's custom capabilities, components, assemblies and solutions.

Please contact your local sales representative or Millitech's sales team for information and quoting.