Faraday Rotary Switch
A technology of Faraday rotation and switching, which is applied in the direction of circuits, waveguide devices, electrical components, etc., can solve the problems of narrow working bandwidth and small power capacity, achieve high power capacity, increase power capacity, and improve the effect of working frequency band
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0027] Embodiment 1: see Figure 1 to Figure 6 , a Faraday rotary switch, comprising a four-ridge square waveguide 1 and a quadrature mode coupler 2 at its two ends, the quadrature mode coupler 2 comprising a first input 5, a second input 6 and an output 7 , two orthogonal mode couplers 2 are coaxially arranged with the four-ridge square waveguide 1, and the output terminals 7 are respectively connected with the two ends of the four-ridge square waveguide 1, one orthogonal mode coupler 2 is directly opposite to the four-ridge square waveguide 1, and the other Orthogonal mode coupler 2 is rotated 45° along the axis;
[0028] The four sides of the four-ridge square waveguide 1 are respectively provided with a ridge 9 along its length direction, and a rectangular ring-shaped ferrite 3 is arranged in the middle of each ridge 9, and the ferrite 3 includes two long sides and two short sides , one of the long sides is inserted into the ridge 9 and bonded with the ridge 9, the other ...
Embodiment 2
[0031] Example 2: see Figure 1 to Figure 5 , on the basis of Example 1, we have designed a Faraday rotary switch of X-band according to the method of the present invention, the bandwidth is 1.4GHz, the relative bandwidth is greater than 16%, the standing wave at the port is ≤1.2, and the isolation between orthogonal modes is ≥20 dB, Faraday rotator isolation ≥20dB.
[0032] In this embodiment, the magnetic moment of the ferrite 3 ring is 820 guass, the length is 80 mm, the length of the matching ceramic 8 is 40 mm, the size of the four-ridge square waveguide 1 is 20 mm*20 mm, the length is 190 mm, and the input and output are BJ100 standard waveguide ports.
Embodiment 3
[0033] Embodiment 3: see Figure 1 to Figure 7 , on the basis of embodiment 1, we have designed a kind of Faraday rotary switch of Q band according to the method of the present invention, bandwidth 5GHz, relative bandwidth is greater than 12%, port standing wave ≤ 1.2, isolation between orthogonal modes ≥ 20dB, Faraday Rotator isolation ≥20dB.
[0034] In this embodiment, the magnetic moment of the ferrite 3 ring is about 3000 guass, the length is 20 mm, the length of the matching ceramic 8 is 9 mm, the size of the four-ridge waveguide is 4.2 mm*4.2 mm, and the length is 40 mm. The input and output are BJ400 standard waveguide ports.
[0035] For the S-parameter curve of this product, see Figure 7 , in the figure, S11 is the return loss, S21 is the isolation of ports 1 and 2, S31 is the transmission loss, and S41 is the isolation of ports 1 and 4. S11 is less than -20dB, S21 and S41 are both greater than 20dB, and S31 is less than 1dB, indicating that the device has excellen...
PUM
| Property | Measurement | Unit |
|---|---|---|
| length | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More