Turbo PMAC Clipper Hardware Reference Manual
Connections and Software Setup
27
Amplifier Enable Signal (AENAn/DIRn)
Most amplifiers have an enable/disable input that permits complete shutdown of the amplifier regardless
of the voltage of the command signal. PMAC’s AENA line is meant for this purpose. AENA1- is pin 33.
This signal is an open-collector output and an external 3.3 k
pull-up resistor can be used if necessary.
Example for Clipper Channel #1
2
5
2
3
4
9
5
0
4
7
4
8
4
5
4
6
4
3
4
4
4
1
4
2
3
9
4
0
3
7
3
8
3
5
3
6
3
3
3
4
3
1
3
2
2
9
3
0
2
7
2
8
2
6
J3 (JMACH1)
AENA1
GND
}
Connect to the amplifier
enable input
Summary of Contents for Turbo PMAC Clipper
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