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1.3. BCD/PTP connector pinout
PTP input – Uses PTP signal (+12V) to select
the proper filter. Pins are isolated with
optocouplers.
Pin 1
Pin 2
Pin 3
Pin 4 or 5
Pin 7 or 8 or 9
Pin 10
BCD input – Uses BCD signal (+12V) signal
to select the proper filter. Pins are isolated
with optocouplers.
BCD inputs are designed for a direct
connection to a band decoder used by radios
such as YAESU and Elecraft.
Filter No.
1
Band
160m
Frequency
1.8
Band A
H
Band B
L
Band C
L
Band D
L
Hex Code
1
▲
Index
Filter for 1,8 to 2 MHz
Filter for 3.5 to 4 MHz
Filter for 5 to 7.5 MHz
Filter for 10 to 14.5 MHz
Filter for 18 to 29.5 MHz
Filter for 50 to 52 MHz
2
3
80m
40m
30m
3.5
7
10
L
H
H
H
L
L
L
L
2
3
4
4
5
20m
17m
14
18
L
H
L
L
L
H
H
H
H
L
L
L
4
5
6
5
5
5
15m
12m
10m
21
24
28
H
L
H
H
L
L
H
L
L
L
H
H
7
8
9
6
NA
6m
None
50
NA
L
L
H
L
L
L
H
L
A
0
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