User Manual Part 1

Prism Remote Units
FlexWave Prism Host, Remote and EMS 5.1 System Reference Page 41
ADCP-77-073 • Issue 2 • 11/2009 © 2009 ADC Telecommunications, Inc.
2.3.2.1.2 Linear Power Amplifiers
Figure 2-9 shows a Prism Linear Power Amplifier (LPA), which is a high quality
broadband RF amplifier used for achieving Prism product rated power for the Remote
Tx forward path spectrum RF.
Figure 2-9. Linear Power Amplifier
The FlexWave Prism Remote 40W RF Module is designed for AWS and PCS
frequencies. The Prism Remote 40W RF Module comprises one DART, two Linear
Power Amplifiers (LPAs), and one or two Remote DART Interface (RDI) boards (two
for a diversity module and one for a non-diversity module).
The LPAs are pass-band specific, with the maximum composite Tx power levels, and
>
10dB instantaneous peak power rating listed in Table 2-2.
Table 2-2. LPA Maximum Composite Tx Power Levels
Passband* Maximum dBm
(WATT)
Instantaneous
Bandwidth
AWS +43dBm (20W) 45 MHz
AWS 2100 Dual-LPA +43dBm (20W) 45 MHz
Cellular
+43dBm (20W) 25 MHz
EGSM 900 +40 dBm (10W) 39 MHz
GSM 1800/DCS +41 dBm (12.6W) 75 MHz
PCS +43dBm (20W) 70 MHz
PCS 1900 Dual-LPA +43dBm (20W) 70 MHz
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