Rotary Joints
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.
Rotary Joints
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.
Rotary Joints
| Type | Application | Frequency GHz | Waveguide / Coax | Waveguide Channels | Coaxial Channels | Slipring | |
| C-band | 4.95-5.9 | WR187 | 1 | N | |||
| C/X-band | Naval With IFF | 5.4-5.9 8.5-9.6 | WR137 & WR90 | 2 | 2 | Y | |
| C/X-band | Naval With IFF | 5.4-5.9 8.5-9.6 | WR137 & WR90 | 2 | 2 | N | |
| IFF | L-band Mulltichannel | 1.0-1.51 | Coax | N/A | 3 | N | |
| IFF | Mobile land based Radar | 1.0-3.1 | Coax | N/A | 7 | Y +OPTICAL | |
| IFF | Mobile land based Radar | 1.0-3.1 | Coax | N/A | 6 | Y +OPTICAL | |
| IFF | L-band Mulltichannel | 1.0-1.12 | Coax | N/A | 3 | N | |
| IFF | L-band Mulltichannel | 1.0-1.12 | Coax | N/A | 3 | N | |
| IFF | L-band Mulltichannel | 1.0-1.12 | Coax | N/A | 3 | N | |
| IFF | L-band Mulltichannel | 1.0-1.12 | Coax | N/A | 3 | N | |
| Ku-band | Satcom | 14-14.5 | WR75 | 1 | N | ||
| S-band | Naval S-band & IFF Radar | 2.7-3.1 | WR284 | 1 | 7 | Y | |
| S-band | Naval S-band & IFF Radar | 2.7-3.1 | WR284 | 1 | 3 | Y +OPTICAL | |
| S-band | ATC S-band Radar | 2.7-3.1 | WR284 | 1 | N | ||
| S-band | ATC S-band Radar | 2.7-3.1 | WR284 | 1 | 1 | N | |
| S-band | ATC S-band Radar | 2.7-3.1 | WR248 | 1 | 2 | N | |
| S-band | ATC S-band Radar | 2.7-3.1 | WR284 | 1 | 1 | N | |
| S-band | Naval S-band & IFF Radar | 2.7-3.1 | WR284 | 1 | 8 | Y | |
| S-band | S & L Band multi channel | 2.7-3.1 | WR248 | 1 | 6 | Y | |
| S-band | S & L Band multi channel | 2.7-3.1 | WR284 | 1 | 5 | Y | |
| S-band | ATC S-band Radar | 2.7-3.1 | WR284 | 1 | 4 | N | |
| S-band | S & L Band multi channel | 2.7-3.1 | WR284 | 1 | 4 | Y | |
| S-band | Mobile land based Radar | 2.7-3.1 | WR284 | 1 | 6 | Y | |
| S-band | S & L Band multi channel | 2.7-3.1 | WR284 | 1 | 2 | N | |
| S-band | ATC S-band Radar | 2.7-3.1 | WR284 | 1 | 5 | Y | |
| S-band | ATC S-band Radar | 2.7-3.1 | WR284 | 1 | 4 | Y | |
| S-band | ATC S-band Radar | 2.7-3.1 | WR284 | 1 | 2 | Y | |
| S-band | ATC S-band Radar | 2.7-3.1 | WR284 | 1 | 1 | Y | |
| S-band | S-band Multichannel | 2.7-3.1 | WR284 | 1 | 3 | N | |
| S-band | Naval S-band & IFF Radar | 2.7-3.1 | WR284 | 1 | 7 | Y | |
| S-band | S-band Multichannel | 2.7-3.1 | WR284 | 1 | 5 | N | |
| X-band | Helicopter Radar | 9-9.5 | WR90 | 1 | Y | ||
| X-band | Helicopter Radar | 9-9.5 | WR90 | 1 | 2 | Y | |
| X-band | X & L band Dualchannel | 8.6 – 9.5 | WR112 | 1 | 1 | N |
Rotary Joints
| Type | Application | Style | Freq GHz | Waveguide | Coaxial / Other | |
| 1-2GHz | Test | Single | 1.0-2.0 | N/A | N high power | |
| 2-8GHz | Test | Single | 2.0-8.0 | N/A | N high power | |
| 3GHz | Medical | Single In-line | 2.9-3.1 | WR284 | N/A | |
| C-band | Satcom | Single U-style | 5.8-6.8 | WR137 | N/A | |
| C-band | Satcom | Single L-style | 5.8-6.8 | WR137 | N/A | |
| DC-18GHz | Test | Single | DC-18 | N/A | SMA or N | |
| DC-40GHz | Test | Single | DC-40 | N/A | K-type | |
| DC-40GHz | Test | Single | DC-40 | N/A | K-type with Slipring | |
| DC-6.0GHz | Test | Single | DC-6 | N/A | N or SMA | |
| Ka-band | High Rel. | Single In-line | 25.5-27 | WR34 | With waveguides | |
| Ka-Band | SOTM | Dual | 29-31 | K-type TX | SMA RX L-band +DC | |
| Ka-Band | SOTM | Dual | 29-31 | WR28 TX | SMA RX L-band +DC | |
| Ka-band | Satcom Air | Dual | 29-31 | WR28 TX | SMA L-band & Slipring | |
| Ku-band | Flyaway | Single | 13.75-14.5 | N/A | SMA in, N out | |
| Ku-band | SOTM | Dual | 13.75-14.5 | SMA TX | SMA, RX L-band +DC | |
| Ku-band | SNG / flyaway | Single L-style | 11.0-14.5 | WR75 | N/A | |
| Ku-band | SNG / flyaway | Single U-style | 11.0-14.5 | WR75 | N/A | |
| Ku-band | SNG / flyaway | Single In-line | 10.0-15.0 | WR75 | N/A | |
| Ku-band | SOTM | Dual | 13.75-14.5 | WR75 TX | N-type, L-band | |
| Ku-Feed | SNG / flyaway | Single In-line | 10.7-14.5 | WR75 | with OMT, TX & RX filters | |
| S-band | Test | Single In-line | 2.7-2.9 | WR284 | N/A | |
| Tri-band | Satcom | Single L-style | 5.85-14.5 | WRD580 | N/A | |
| WR62 | V-Sat | Single In-line | 12.4-15.0 | WR62 | N/A | |
| WR62 | Ku & DBS | Single U-style | 13.75-18.1 | WR62 | N/A | |
| WR90 | Test | Single In-line | 8.2-11.0 | WR90 | N/A | |
| WR90 | Test | Single In-line | 8.2-11.0 | WR90 | N/A | |
| WR90 | Comms | Single In-line | 8.9-9.5 | WR90 | With Slipring | |
| WR90 | Radar | Single U-style | 8.5-10.5 | WR90 | Heat Sink | |
| X, Ku & Ka | SOTM | Dual | 7.9-31 | 3.5mm TX | SMA RX L-band +DC | |
| X-band | Satcom | Single L-style | 7.9-8.4 | WR112 | N/A | |
| X-band | Satcom Air | Dual U-style | 7.9-8.4 | WR112 | SMA, L-band & Slipring | |
| X-band | Radar | Dual Coax | 8.0-9.5 | N/A | N & SMA | |
| X-band | Satcom | Single In-line | 8.0-11.0 | N/A | N-type | |
| X-band | Radar | Single In-line | 9.2-9.5 | N/A | SMA |
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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).
How does OIP3 affect LNA performance in high-interference environments?
Can these LNAs be used for 5G mmWave applications?
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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Senior Test Engineer
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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