Broadcast Tools SS 2.1/Terminal III Manuale Utente Pagina 129

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Section 7: System Description 7-7
Moseley SL9003Q 602-12016 Revision G
7.6.5. Power Amplifier
O
F
I
R
RF
IN
Fwd
Pwr
Rev
Pwr
PA
Out
LPF
Figure 7-5 SL9003Q RF Power Amplifier Block Diagram
The Power Amplifier (PA) is a separate module that is mounted to a heatsink and is fan-cooled
for reliable operation. The PA is a design for maximum linearity in an amplitude modulation-
based system. Forward and reverse (reflected) power are detected and sampled to provide
metering and ALC feedback.
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