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5.8 Antenna coupler, AT-1560
5-46
5.8 Antenna coupler, AT-1560
Fig.5.8.1 shows the block diagram of COUP board in antenna coupler, AT-1560. There
are two antenna couplers as shown in Table 5.8.1.
Table 5.8.1 Comparison between Antenna couplers
AT-1560-15
AT-1560-25
Remarks
Used by
FS-1570
FS-2570/FS-1570
Input power
150W
250W
Dummy load
10
Ω
+250P
(100W)
10
Ω
+250P
(200W)
Dummy board
05P0543
05P0610
Antenna is grounded through
this board when power is off.
COUP board
05P0528
05P0528A
In AT-1560-25, L8 and L9 are
switched by a reed relay.
Fig.5.8.1 Block diagram of COUP board (05P0528)
Summary of Contents for FS-1570
Page 1: ...SSB Radio telephone FS 1570 2570...
Page 204: ...7 1 Output power 7 2 Power data vs T R output Input vs output...
Page 224: ...AP2 1 DSC Test call AP2 2...
Page 230: ...AP3 2...
Page 231: ...AP3 3...
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