User's Manual

Figure 1
1. 2. 3.
4. 5. 6. 7.
BDA BLOCK DIAGRAM
BDA-ESMR-2/2W-80-AN89R
1. Uplink SMR Quadruplexer - has low bandpass insertion loss and high
selectivity.
2. Downlink Pre-amp - is a low noise amplifier that drives the Downlink MPA
and offers 45dB Gain.
3. Downlink MPA – is a high power amplifier with an ALC circuit which offers 43dB
Gain.
4. Uplink MPA – is a medium power amplifier with an ALC circuit which offers
43dB Gain.
5. Re-Banding Duplexer - is used for when re-banding of the ESMR800 frequency
band occurs, by selecting its switch position.
6. Uplink Pre-amp - is a low noise amplifier that drives the Uplink MPA and offers
45dB Gain.
7. Downlink SMR Quadruplexer - has low bandpass insertion loss and high
selectivity.
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