Dielectric waveguide duplexer
A dielectric waveguide and duplexer technology, applied in the field of dielectric waveguide duplexers, can solve the problems of large size, heavy weight, and inability to meet the miniaturization and light weight of duplexers, and achieve small size, light weight, and high Q value effect
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no. 1 example
[0025] refer to figure 1 , a kind of dielectric waveguide duplexer provided by the present invention comprises a common dielectric resonant cavity 10 and a TX (Transmitter, transmitting) dielectric waveguide filter 20 and an RX (Receiver, receiving) dielectric waveguide filter connected to the common dielectric resonant cavity 10 30. Specifically, the output end of the TX dielectric waveguide filter 20 and the input end of the RX dielectric waveguide filter 30 are connected to the common dielectric resonant cavity 10 . The common dielectric resonant cavity 10 is provided with an antenna interface 12 for connecting an antenna. The TX dielectric waveguide filter 20 is provided with a TX input port 22 for inputting radio frequency signals. The RX dielectric waveguide filter 30 is provided with an RX output port 32 for outputting radio frequency signals. Energy coupling is performed between the public dielectric resonant cavity 10 and the TX dielectric waveguide filter 20 throu...
no. 2 example
[0034] refer to figure 2 The difference between this embodiment and the first embodiment is that the common dielectric resonant cavity 10, the TX dielectric waveguide filter 20 and the RX dielectric waveguide filter 30 are formed separately, and the output end of the TX dielectric waveguide filter 20 and the RX dielectric waveguide filter The input ends of the filter 30 are respectively connected to the two ends of the common dielectric resonant cavity 10 by means of welding or the like, which is easy to process. Specifically, the output end of the last TX dielectric resonator 21c of the TX dielectric waveguide filter 20 and the input end of the first RX dielectric resonator 31a of the RX dielectric waveguide filter 30 are respectively connected to the common dielectric resonant cavity by welding or the like. 10 ends.
[0035]The dielectric body of the public dielectric resonant cavity 10 has a first notch on the conductive shielding layer near the side of the TX dielectric ...
no. 3 example
[0037] refer to image 3 The difference between this embodiment and the first embodiment is that the output end of the TX dielectric waveguide filter 20 and the input end of the RX dielectric waveguide filter 30 are connected to one end of the common dielectric resonant cavity 10, and the TX dielectric waveguide filter 20 and the input end of the RX dielectric waveguide filter The RX dielectric waveguide filters 30 are arranged side by side with a gap 50 between them. Specifically, the output end of the last TX dielectric resonator 21c of the TX dielectric waveguide filter 20 and the input end of the first RX dielectric resonator 31a of the RX dielectric waveguide filter 30 are both connected to one end of the common dielectric resonator 10 . The common dielectric resonant cavity 10, the TX dielectric waveguide filter 20 and the RX dielectric waveguide filter 30 are integrally formed.
[0038] In this embodiment, the first window 41 and the second window 42 are set opposite t...
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