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Waveguide Antenna

Our LNAs provide industry-leading noise figures (as low as 0.5 dB) across frequencies from DC to 50 GHz. Optimized for sensitivity in EW, Radar, and Satcom applications.

Waveguide Antenna

Our LNAs provide industry-leading noise figures (as low as 0.5 dB) across frequencies from DC to 50 GHz. Optimized for sensitivity in EW, Radar, and Satcom applications.

Waveguide Antenna

HD Part # Frequency ( GHz ) Waveguide Size Gain Dimensions (inch) A Dimensions (inch) B Dimensions (inch) C
HD18565 1.7-2.6 WR 430 10 dB 8 4 10.5
HD18566 2.6-3.95 WR 284 10 dB 4.33 3.46 7.5
HD18567 3.95-5.85 WR 187 10 dB 2.89 2.12 5.5
HD18568 5.85-8.2 WR 137 10 dB 2.02 1.48 3.15
HD18569 7.05-10.0 WR 112 10 dB 1.63 1.18 2.55
HD18570 8.2-12.4 WR 90 10 dB 1.58 1.15 2.01
HD18571 10.0-15.0 WR 75 10 dB 1.26 0.92 1.94
HD18572 12.4-18.0 WR 62 10 dB 0.93 0.68 1.61
HD18573 18.0-26.5 WR 42 10 dB 0.6 0.44 1.25
HD18574 26.5-40.0 WR 28 10 dB 0.42 0.315 1
HD19538 1.12-1.7 WR 650 10 dB 12.14 6.07 15.98
HD19539 2.2-3.3 WR 340 10 dB 5.71 3.43 9.45
HD19540 3.3-4.9 WR 229 10 dB 3.62 2.36 6.45
HD19541 4.09-7.05 WR 159 10 dB 2.68 1.58 4.28
HD19542 7.0-11.0 WR 102 10 dB 1.58 1.14 3
HD19543 15.0-22.0 WR 51 10 dB 0.77 0.56 1.43
HD19544 22.0-33.0 WR 34 10 dB 0.53 0.39 1.13

Waveguide Antenna

HD Part # Frequency ( GHz ) Waveguide Size Gain Dimensions (inch) A Dimensions (inch) B Dimensions (inch) C
?HD18578 5.85-8.2 WR 137 15 dB 3.42 2.5 6.51
?HD19548 4.09-7.05 WR 159 15 dB 4.33 3.15 8
HD 18575 1.7-2.6 WR 430 15 dB 14.5 10.75 14.5
HD 18576 2.6-3.95 WR 284 15 dB 7.96 5.83 15.34
HD 18577 3.95-5.85 WR 187 15 dB 4.88 3.57 9.4
HD18579 7.05-10.0 WR 112 15 dB 2.93 2.15 6.65
HD18580 8.2-12.4 WR 90 15 dB 2.66 1.95 5.46
HD18581 10.0-15.0 WR 75 15 dB 2.25 1.33 4.69
HD18582 12.4-18.0 WR 62 15 dB 2.19 1.72 3.46
HD18583 18.0-26.5 WR 42 15 dB 1.14 0.85 2.37
HD18584 26.5-40.0 WR 28 15 dB 0.76 0.55 1.87
HD19545 1.12-1.7 WR 650 15 dB 21.93 16.24 21.77
HD19546 2.2-3.3 WR 340 15 dB 9.45 6.69 15.63
HD19547 3.3-4.9 WR 229 15 dB 6 4.41 10.4
HD19549 7.0-11.0 WR 102 15 dB 3.04 2.23 6
HD19550 15.0-22.0 WR 51 15 dB 1.36 1 2.84
HD19551 22.0-33.0 WR 34 15 dB 0.95 0.7 2.12

Waveguide Antenna

HD Part # Frequency ( GHz ) Waveguide Size Gain Dimensions (inch) A Dimensions (inch) B Dimensions (inch) C
HD18585 1.7-2.6 WR 430 20 dB 22 16 40.5
HD18586 2.6-3.95 WR 284 20 dB 15.57 10.67 29.75
HD18587 3.95-5.85 WR 187 20 dB 8.51 6.3 1.136
HD18588 5.85-8.2 WR 137 20 dB 6.26 4.57 12.19
HD18589 7.05-10.0 WR 112 20 dB 4.97 3.64 10.78
HD18590 8.2-12.4 WR 90 20 dB 4.87 3.62 10.06
HD18591 10.0-15.0 WR 75 20 dB 3.88 2.98 8
HD18592 12.4-18.0 WR 62 20 dB 2.88 2.11 5.75
HD18593 18.0-26.5 WR 42 20 dB 2.13 1.56 4
HD18594 26.5-40.0 WR 28 20 dB 1.38 1.01 3.12
HD19552 1.12-1.7 WR 650 20 dB N/A N/A N/A
HD19553 2.2-3.3 WR 340 20 dB 18.79 11.81 35
HD19554 3.3-4.9 WR 229 20 dB 12.25 8.6 23.5
HD19555 4.09-7.05 WR 159 20 dB 9.8 7.64 11.73
HD19556 7.0-11.0 WR 102 20 dB 5.57 3.94 11.13
HD19557 15.0-22.0 WR 51 20 dB 2.51 1.93 4.88
HD19558 22.0-33.0 WR 34 20 dB 1.76 1.29 3.56

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Custom LNA Engineering

Modifications & Mission Critical Packaging

Modifications & Mission-Critical

RF Components specializes in custom Low Noise Amplifier (LNA) engineering designed to meet the most demanding commercial, military, and aerospace requirements. With decades of RF and microwave experience, we deliver reliable, high-performance solutions tailored to your exact operating environment.

Extreme Temperature

We design LNAs for extreme operating conditions, including cryogenic temperatures for scientific research and high-temperature environments for aerospace and engine-mounted telemetry systems. Our solutions ensure stable gain, low noise, and long-term reliability where standard designs fail.

Form Factor

Our custom form-factor solutions include hermetically sealed packages, optimized connector placement, and high-density SMT modules. Designs are engineered to meet tight SWaP (Size, Weight, and Power) constraints without compromising electrical or mechanical performance.

Choosing the Right Low Noise Amplifier

When selecting a Low Noise Amplifier (LNA) for your system, the primary metric is the Noise Figure (NF). This determines how much noise the amplifier itself adds to the signal. For satellite receivers and sensitive radio telescopes, a noise figure below 1.0 dB is often required.

Other critical factors include:

  • Linearity (OIP3): Essential for multi-tone environments to prevent intermodulation distortion.
  • VSWR: Ensures proper impedance matching to prevent signal reflection.
  • Dynamic Range: The ability to handle both very weak and moderately strong signals without saturation.

Technical FAQ

What is the difference between Noise Figure and Noise Temperature?

Noise Figure (NF) is expressed in dB and represents the degradation of the signal-to-noise ratio. Noise Temperature (Te) is expressed in Kelvins and is often used in satellite communication systems. They are related by the formula: NF = 10 log10(1 + Te / 290).

Output Third-Order Intercept (OIP3) is a measure of linearity. A higher OIP3 allows the LNA to handle strong interfering signals without creating intermodulation products that could mask the weak signals you are trying to receive.

Yes, our Ka-Band and Q-Band LNAs are specifically optimized for 26-40 GHz ranges, featuring ultra-wideband performance and compact SMT packaging suitable for 5G phased array systems.

What Our Customers Say

“RFComp’s technical support is unmatched. They helped us troubleshoot a phase-matching issue in our satellite array that saved us weeks of R&D.”

Lead RF Architect

Global Aerospace Prime

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Semiconductor Testing Services

“We rely on their same-day shipping for our field testing. Having high-frequency cables arrive exactly when needed is critical for our 5G rollout.”

Director of Operations

Telecommunications Infrastructure Co.

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Bi-Directional Amplifier

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