High frequency/microwave coaxial rotary joints are designed for 360° continuous rotation systems to transfer DC~40GHz high frequency signal. Support single or multi-channels and can be combined with electric or other signals. 3GOTEK High frequency rotary joints signal use 50Ω characteristic impedance RF coaxial structure. The 3GHF series HF rotary joints are offered with compact design, excellent VSWR, low insertion loss and minimal fluctuation.
3GHF High Frequency Rotary Joints Series model list
Model No | No of Channel | Frequency | Interface | Insertion loss Max | VWSR max | VWSR Ripple | Drawings |
3GHF120-1-18G | 1 | 18 GHz | SMA-f (50Ω) |
0.3dB@10Ghz
0.45dB@10/18Ghz
|
1.3 @10Ghz
1.4@10~18Ghz
|
0.1 | Technical data |
3GHF120-1-40G | 1 | 40 GHz |
2.92mm-F
(50Ω)
|
0.5dB@18Ghz
1.0dB@18/26.5Ghz
1.2dB@26.5/40GHz
|
1.4@18Ghz
1.7@18/26.5Ghz
2.0@26.5/40GHz
|
0.15 | Technical data |
3GHF127-1-4.5G | 1 | 4.5 GHz |
SMA-F
(50Ω)
|
0.3dB | 1.3 | 0.2 | Technical data |
3GHF127A-1-4.5G | 1 | 4.5 GHz |
SMA-F
(50Ω)
|
0.3dB | 1.3 | 0.2 | Technical data |
3GHF127L-1-3G | 1 | 3 GHz |
SMA-F
(50Ω)
|
1.9dB | 1.35 | 0.05 | Technical data |
3GHF149-1-18G | 1 | 18 GHz |
SMA-F
(50Ω)
|
0.3dB@10GHz
0.6dB@10-18GHz
|
1.3@10GHz
1.4@10-18GHz
|
0.1 | Technical data |
3GHF210-1-6G | 1 | 6 GHz |
SMA-F
(50Ω)
|
0.3dB | 1.3 | 0.1 | Technical data |
3GHF210-1-18G | 1 | 18 GHz |
SMA-F
(50Ω)
|
0.4dB | 1.4 | 0.15 | Technical data |
3GHF267-1-18G | 1 | 18 GHz |
N-F
(50Ω)
|
0.4dB | 1.3 | 0.05 | Technical data |
3GHF267A-1-18G | 1 | 18 GHz |
3.5MM-F
(50Ω)
|
0.4dB | 1.3 | 0.05 | Technical data |
3GHF430-1-3.4G | 1 |
2.8~3.4
GHZ
|
7/16-F
(50Ω)
|
0.1dB | 1.0 | 0.05 | Technical data |
3GHF430-1-5G | 1 | 5 GHZ |
7/16-F
(50Ω)
|
0.35dB | 1.25 | 0.1 | Technical data |
3GHF480-1-18G | 1 | 18 GHz |
7/16-F
(50Ω)
|
0.35dB @5GHz | 1.25 @5GHz | 0.05 | Technical data |
3GHF320
-2-4.5/4.5
|
CH1 | 4.5GHz | SMA-f (50Ω) | 0.25dB | 1.2 | 0.05 | Technical data |
CH2 | 4.5GHz | SMA-f (50Ω) | 0.5dB | 1.5 | 0.2 | Technical data | |
3GHF320
-2-8/8
|
CH1 | 8 GHz | SMA-f (50Ω) | 0.4dB | 1.3 | 0.1 | Technical data |
CH2 | 8 GHz | SMA-f (50Ω) | 0.8 dB | 1.6 | 0.2 | Technical data | |
3GHF320
-2-18/13
|
CH1 | 18 GHz | SMA-f (50Ω) | 1 dB |
1.3@8GHz
1.5@8-18GHz
|
0.1 | Technical data |
CH2 | 13 GHz | SMA-f (50Ω) | 2 dB |
1.6@8GHz
2@8-18GHz
|
0.2 | Technical data | |
3GHF320
-2-18/18
|
CH1 | 18 GHz |
2.92-F
(50Ω)
|
0.4dB@8Ghz
1.0dB@8-18Ghz
|
1.35@8Ghz
1.75@8~18Ghz
|
0.05 | Technical data |
CH2 | 18 GHz |
2.92-F
(50Ω)
|
0.75dB@4Ghz
1.5dB@4-8Ghz
2.5dB@8-12Ghz
3.0dB@12-18Ghz
|
2@4Ghz
3@4-8Ghz
3.5@8-12Ghz
4.5@12-18Ghz
|
0.1@4Ghz
0.35@4-8Ghz
0.8@8-12Ghz
2.0@12-18Ghz
|
Technical data | |
3GHF320
A-2-4.5/4.5
|
CH1 | 4.5 GHz |
SMA-F
(50Ω)
|
0.25dB | 1.2 | 0.05 | Technical data |
CH2 | 4.5 GHz |
SMA-F
(50Ω)
|
0.4dB | 1.5 | 0.2 | Technical data | |
3GHF320
B-2-4.5/4.5
|
CH1 | 4.5 GHz |
SMA-F
(50Ω)
|
0.25dB | 1.2 | 0.05 | Technical data |
CH2 | 4.5 GHz |
SMA-F
(50Ω)
|
0.4dB | 1.5 | 0.2 | Technical data | |
3GHF320
C-2-4.5/4.5
|
CH1 | 4.5 GHz |
SMA-F
(50Ω)
|
0.25dB | 1.2 | 0.05 | Technical data |
CH2 | 4.5 GHz |
SMA-F
(50Ω)
|
0.4dB | 1.5 | 0.2 | Technical data | |
3GHF320
D-2-4.5/4.5
|
CH1 | 4.5 GHz |
SMA-F
(50Ω)
|
0.25dB | 1.2 | 0.05 | Technical data |
CH2 | 4.5 GHz |
SMA-F
(50Ω)
|
0.4dB | 1.5 | 0.2 | Technical data | |
3GHF320
E-2-4.5/4.5
|
CH1 | 4.5 GHz |
SMA-F
(50Ω)
|
0.35dB | 1.2 | 0.05 | Technical data |
CH2 | 4.5 GHz |
SMA-F
(50Ω)
|
0.5dB | 1.5 | 0.2 | Technical data | |
3GHF440
-2-12.75/14.5
|
CH1 |
10.7-12.75
GHz
|
SMA-F
(50Ω)
|
1 dB | 1.45 | 0.1 | Technical data |
CH2 | 13.75-14.5 GHz |
SMA-F
(50Ω)
|
1 dB | 1.45 | 0.1 | Technical data | |
3GHF635
-2-5/16
|
CH1 | 5 GHz |
SMA-F
(50Ω)
|
0.5 dB | 1.5 | 0.2 | Technical data |
CH2 | 16 GHz |
SMA-F
(50Ω)
|
0.3dB@6GHz
0.6dB@6-16GHz
|
1.3@6GHz
1.4@6-12GHz
1.6@12-16GHz
|
0.1 | Technical data | |
3GHF420
-3-3/3/3
|
CH1 | 3 GHz | SMA-f (50Ω) |
0.7dB@2.5Ghz
1.0dB@2.5-3Ghz
|
1.7@2.5Ghz
2.4@2.5-3Ghz
|
0.05@2.5GHz
1.0@2.5-3GHz
|
Technical data |
CH2 | 3 GHz | SMA-f (50Ω) |
0.7dB@2.5Ghz
1.0dB@2.5-3Ghz
|
1.7@2.5Ghz
2.4@2.5-3Ghz
|
0.05@2.5GHz
1.0@2.5-3GHz
|
Technical data | |
CH3 | 3 GHz | SMA-f (50Ω) |
0.7dB@2.5Ghz
1.0dB@2.5-3Ghz
|
1.7@2.5Ghz
2.4@2.5-3Ghz
|
0.05@2.5GHz
1.0@2.5-3GHz
|
Technical data | |
3GHF953
-3-1.1/1.1/1.1
|
CH1 |
1.01-
1.1GHz
|
N-F
(50Ω)
|
0.5dB | 1.25 | 0.05 | Technical data |
CH2 |
1.01-
1.1GHz
|
N-F
(50Ω)
|
0.5dB | 1.25 | 0.05 | Technical data | |
CH3 |
1.01-
1.1GHz
|
N-F
(50Ω)
|
0.5dB | 1.25 | 0.08 | Technical data | |
3GHF420
-4-4/4/4/4
|
CH1 | 4 GHz |
SMA-F
(50Ω)
|
1.3dB | 1.3 | 0.1 | Technical data |
CH2 | 4 GHz |
SMA-F
(50Ω)
|
1 dB | 1.5 | 0.1 | Technical data | |
CH3 | 4 GHz |
SMA-F
(50Ω)
|
1 dB | 1.5 | 0.1 | Technical data | |
CH4 | 4 GHz |
SMA-F
(50Ω)
|
1 dB | 1.5 | 0.1 | Technical data | |
3GHF600
-4-4/4/3/3
|
CH1 | 4 GHz |
SMA-F
(50Ω)
|
1.2dB | 1.35 | 0.1 | Technical data |
CH2 | 4 GHz |
SMA-F
(50Ω)
|
1.4 dB | 1.5 | 0.15 | Technical data | |
CH3 | 3 GHz |
SMA-F
(50Ω)
|
1.4 dB | 1.5 | 0.15 | Technical data | |
CH4 | 3 GHz |
SMA-F
(50Ω)
|
1.4 dB | 1.5 | 0.15 | Technical data | |
3GHF2400-5-0.66/2.5/2.5/2.5/2.5 | CH1 |
0.63~
0.66GHz
|
SMA-F
(50Ω)
|
0.3 dB | 1.25 | 0.1 | Technical data |
CH2 | 2.5 GHz |
SMA-F
(50Ω)
|
0.8 dB | 1.5 | 0.3 | Technical data | |
CH3 | 2.5 GHz |
SMA-F
(50Ω)
|
0.8 dB | 1.5 | 0.3 | Technical data | |
CH4 | 2.5 GHz |
SMA-F
(50Ω)
|
0.8 dB | 1.5 | 0.3 | Technical data | |
CH5 | 2.5 GHz |
SMA-F
(50Ω)
|
0.8 dB | 1.5 | 0.3 | Technical data |
Typical Applications
High-frequency slip rings are used in applications where there is a need to transmit signals or data at high frequencies while maintaining a continuous rotation between two or more parts of a system. These slip rings are designed to handle high-frequency signals without significant signal degradation, loss, or interference. Here are some examples of where high-frequency slip rings are commonly used:
Radar Systems: High-frequency slip rings are used in radar systems to transmit signals between rotating and stationary parts, allowing for continuous rotation of radar antennas while maintaining high-frequency communication for accurate target detection and tracking.
Communication Satellites: In satellite systems, high-frequency slip rings facilitate the transmission of signals between the rotating solar panels or antennas and the stationary body of the satellite, ensuring uninterrupted communication links.
Broadcasting Equipment: Broadcasting and satellite communication systems often require high-frequency slip rings to enable the rotation of antennas or cameras while transmitting high-quality audio and video signals.
Wireless Charging Stations: High-frequency slip rings can be used in wireless charging stations for electric vehicles, allowing energy transfer while the vehicle is in motion or rotating.
Medical Imaging Systems: High-frequency slip rings are used in medical imaging equipment such as CT scanners and MRI machines to transmit high-frequency signals between the rotating gantry and the stationary components, enabling high-resolution imaging.
Aerospace and Defense Applications: High-frequency slip rings find use in aerospace applications, including military surveillance systems, drones, and aircraft, where continuous rotation is needed while maintaining high-frequency communication for data transmission and control.
Test and Measurement Equipment: High-frequency slip rings are employed in test and measurement setups where precise data acquisition is required from rotating components, such as wind tunnel experiments or rotating machinery tests.
Research Instruments: High-frequency slip rings are used in scientific research instruments like spectrometers or particle accelerators, where the rotation of components is necessary while transmitting high-frequency signals for data analysis.
Semiconductor Manufacturing Equipment: Semiconductor fabrication machines often require high-frequency slip rings to enable rotation in processing chambers while maintaining high-frequency communication for data exchange and control.
Military and Surveillance Systems: High-frequency slip rings play a role in military surveillance systems, such as rotating cameras or sensor arrays on military vehicles, ships, or airborne platforms.
High-Speed Printing and Labeling Machines: Printing and labeling equipment that require continuous rotation while transmitting high-frequency control signals or data may use high-frequency slip rings.