Technical data

10 Agilent N5508A Hardware Reference
1 General Information
Standard Model Front-Panel Interfaces
This section describes the function of the front-panel interfaces on the N5508A
downconverter. Figure 3 shows the front panel. The interface descriptions
appear in alphabetical order.
ACT (STATUS)
This LED is not used for phase noise measurements.
ERR (STATUS)
The error message LED illuminates when a communication error occurs and
indicates that an error message is available.
LSN (GPIB)
The listen LED illuminates when the system addresses the instrument to
listen.
Figure 3 N5508A front panel
n5508a_front_pnl
27 Apr 04 rev 1
+
23 dBm
OUTPUT POWER
POSSIBLE
OUTPUT
2.4 -25.8GHz
W LO
10 VOLTS MAX
CONTROL
VOLTAGE
INPUT
RMT LSN TLK SRQ ERRACT
STATUSGPIB
POWER
Microwave Source
N5508A 2.4-25.8 GHz
NOTE
Some interfaces on the front and rear panels are not used for phase noise measurement, as
their descriptions indicate. Their primary function is for factory testing and troubleshooting.