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GE M
S
EDICAL
YSTEMS
D
2392751-100, R
IRECTION
5-4-2
Front Board Assembly (FB)
5-4-2-1
General Description
The FB Board has 64 identical receive channels.
The signal in each channel is fed via a Transmit/Receive (T/R) switch to a preamplifier. The next step
is a Time Controlled Gain (TGC) amplifier used to equalize the signal strength from the near-field, the
mid-field and the far-field.
5-16
3
EVISION
Figure 5-10 Front Board Assembly Block Diagram
Section 5-1 - Overview
V
™ 4 S
M
IVID
ERVICE
ANUAL
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