R3131 Spectrum Analyzer Operation Manual
2.1 Panel Description
2-13Sep 24/98
Control Description
8 AC power connector 3-pin type
9 Fuse holder Holds the line fuse and one spare fuse which is supplied
with the spectrum analyzer
10 Fuse information Lists the line voltages and fuse requirements
11 PROBE POWER terminal An accessory power supply for the probe, etc.
The maximum output current is 100 mA for each pin.
12 10 MHz REFERENCE OUT-
PUT terminal
(Unused)
13 10 MHz REFERENCE INPUT
terminal
Input terminal for 10 MHz reference frequency signal
Input impedance: Approximately 50Ω
Input level: - 10 dBm to + 10 dBm
PROBE POWER
14
23
1 : NC
2 : GND
3 : -12.4V
4 : +12.4V