S-BAND Diplexer and Coupler : DDIP
Satellite Components
Diplexer
Product Summary
Components of coupler, circulator, and band pass filter. Flexible connections.
Features
- This diplexer consists of coupler, circulator, and band pass filter.
- By selecting connection from antenna to the terminal, user can choose how to use antenna.
To share common antenna for uplink and downlink, antenna is connected to J5 terminal, and J3 and J4 are connected to each other.
To use antenna uplink and downlink separately, RX antenna is connected to J3 terminal, and dummy loads are connected to J4 terminal.
Specification
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| performance | Attenuation in BPF1 | < - 70 dB at specified S-band freq |
|---|---|---|
| Attenuation in BPF2 | < - 80 dB at specified S-band freq | |
| Transmitting line insertion loss | < 5.5 dB | |
| Receiving line insertion loss | < 1.5dB | |
| Transmitting line VSWR | < 1.3 | |
| Receiving line VSWR | < 1.3 | |
| BPF1 passband width | > 2.5 MHz | |
| BPF2 passband width | >500 kHz | |
| Function | Divider and coupler with band pass filter | |
| Power | N/A | |
Environmental condition
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| Temperature | -10 to +50 degC |
|---|---|
| Sine | 25 G (5-100Hz) |
| Random | 23 Grms (20-2000Hz) |
| Radiation | < 10krad |
Size / Weight
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| Size | 71 x 120 x 30 mm |
|---|---|
| Weight | 440 g |
Reference material
Block diagram
