User's Manual

Figure 1
1. 2. 3.
6.
4. 5.
BDA BLOCK DIAGRAM
BDA-XXX-1/10W-X0-A
1. Uplink Diplexer - has low passband insertion loss and high selectivity
2. Downlink Pre-amp - is a low noise amplifier that drives the Downlink HPA and offers
45dB Gain, 50 dB gain for -90 models.
3. Downlink PA – is a high power amplifier with an ALC circuit which offers 43dB Gain,
48 dB gain for -90 models.
4. Uplink MPA – is a medium power amplifier with an ALC circuit which offers 43dB
Gain, 48 dB gain for -90 models.
5. Uplink Pre-amp - is a low noise amplifier that drives the Uplink MPA and offers 45dB
Gain, 50 dB gain for -90 models.
6. Downlink Tx filter is enhanced for High Power applications, preventing arching when
the power amplifier approaches the 1dB compression point.
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