7-76
System 3
PZ3 Low Impedance Amplifier
Input Connectors
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.
Pinout Diagram
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
7
A3(+)
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
