6-78 System 3
PZ3 Low Impedance Amplifier
InputConnectors
PZ3 amplifiers have up to 16 26-pin headstage connectors on the back of the unit.
The PZ3 channels are marked next to the respective connector on the amplifier.
PinoutDiagram
Note: There are 8 (+) channels and 8 (-) channels per DB26 connector. Subsequent
banks are indexed by an additional 8 channels.
*Note: No connections should be made to pin 5 while operating in True Differential
mode.
Pin Name Description Pin Name Description
1 A1(+) Analog Input Channel 14 V+ Positive Voltage (+1.5V)
2 A1(-) Indifferent Analog Input
Channel
15 GND Ground
3 A2(+) Analog Input Channel 16 GND
4 A2(-) Indifferent Analog Input
Channel
17 V- Negative Voltage (-1.5V)
5* Ref* Shared Reference* 18 HSD Headstage Detect
6 HSD Headstage Detect 19 HSD
7A3(+)
Analog Input Channels
20 A3(-)
Indifferent Analog Input
Channels
8 A4(+) 21 A4(-)
9 A5(+) 22 A5(-)
10 A6(+) 23 A6(-)
11 A7(+) 24 A7(-)
12 A8(+) 25 A8(-)
13 GND Ground 26 NA Not Used