Keysight N5227B Service Guide 5-19
Theory of Operation
Synthesized Source Group Operation
29
Port C Status
TTL out, low = input mode, high = output mode
30
Port D Status
TTL out, low = input mode, high = output mode
31
Output Strobe
Write Strobe
TTL out, active low data write strobe (1
μ
s min)
32
No connect
Not used
33
Pass Fail
TTL out, latched, indicates pass fail (programmable polarity)
34
+5 V
+5 Vdc, 100 mA max.
35
Sweep End
TTL out, active low (10
μ
s min) indicates sweep done
36
Pass/Fail Write
Strobe
TTL out, active low pass/fail write strobe (1
μ
s min)
Table 5-4
PWR I/O Connector Pin Assignments
DB-9 Female Connector
Pin
Name
Description
1
+15V
+15 V @ 400 mA
2
-15V
-15 V @ 400 mA
3
AnalogOut1
Analog Output Voltage
Programmable ±10 V @ 100 mA out
Nominally 0 ohms
2.44 mV typical resolution
1 MHz BW
4
AnalogOut2
Analog Output Voltage
Programmable ±10 V @ 100 mA out
Nominally 0 ohms
2.44 mV typical resolution
1 MHz BW
Table 5-3
HANDLER I/O Connector Pin Assignments
Rectangular 36-Pin Female Connector
Pin Numbers
Name
Function