User's Manual

Figure 2
1. 2. 3. 4.
5.
6. 7. 8.
M
BDA BLOCK DIAGRAM
BDA-UHF-4/4W-70-A
1. Uplink Diplexer - has low bandpass insertion loss and high selectivity.
2. Downlink Pre-amp - is a low noise amplifier that drives the Downlink MPA and
offers 32dB Gain.
3. Internal Filter Downlink - This highly selective filter gives additional rejection for
increased isolation.
4. Downlink MPA - is a medium power amplifier with an ALC circuit which offers
43dB Gain.
5. Uplink MPA - is a medium power amplifier with an ALC circuit which offers 43dB
Gain.
6. Internal Filter Uplink - This highly selective filter gives additional rejection for
increased isolation.
7. Uplink Pre-amp - is a low noise amplifier that drives the Uplink MPA and offers
32dB Gain.
8. Downlink Diplexer - has low bandpass insertion loss and high selectivity.
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