Figure 3-1 Operator's Check Setup; Attenuator And Swr Settings - Keysight Technologies 8495D Operating And Service Manual

The SWR meter used in this check is calibrated for a square-law detector.
NOTE
Therefore, the range changes and errors (read in dB) are twice that indicated by
the meter.
Figure 3-1
Procedure
1 Connect equipment as shown in
2 Set the test oscillator to 0.3 Vrms at 1 kHz.
3 Set SWR meter range to 2 dB (expanded) and adjust its bandwidth to center
4 Set attenuator and SWR meter range switch as listed in
Table 3-1
SWR meter range
Keysight 8495D/K Operating and Service Manual
Test oscillator
50 Ω
Operator's check setup
of adjustment range. Fine- tune the oscillator frequency to obtain maximum
meter indication.
that the SWR meter indicates within the limits shown.

Attenuator and SWR settings

Attenuation
(dB)
8495D/K
2
6
8495D manual
attenuator
Adapter
8495D programmable
attenuator
Figure 3-1
Minimum
0 -
10 1.20
Operating Guides
SWR meter
Solenoid
driver circuits
with the attenuator set to 0 dB.
Table 3-1
Meter ind ication (dB)
Actual
Set to 0.5
-
3
Input
and verify
Maximum
-
1.80
31