Keysight N5227A - Page 135

Service Guide N5227-90001 5-19
PNA Series Microwave Network Analyzers Theory of Operation
N5227A Synthesized Source Group Operation
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
5ACOM System ground
6 GndSense Ground sense for Analog In and Analog Out
Connected with 51.1 ohms to ACOM
7 AnalogIn1 Analog input:
±10 V @ 1.22 mV typical resolution
Rin > 1 M-ohm
BW
1 MHz
ADC conversion time < 1 us typical
8 AnalogIn2 Analog input:
±10 V @ 1.22 mV typical resolution
Rin > 1 M-ohm
BW
 1 MHz
ADC conversion time < 1 us typical
9 Power Button Open collector input
Active low replicates power button key press.