TB 9-6625-1998-24
(8) Repeat technique of (3) above at ATTENUATOR switch and meter indications
listed in table 3. If multimeter does not indicate within limits specified, perform b below.
Table 3. Output Voltage
Test instrument
Multimeter indications
Meter
indications
ATTENUATOR
OUTPUT RMS
(VOLTS RMS)
switch positions
Min
Max
X10
V
0.8
7.5
V ac
8.5
V ac
X10
V
0.6
5.5
V ac
6.5
V ac
X10
V
0.4
3.5
V ac
4.5
V ac
X1
V
1.0
0.95
V ac
1.05
V ac
X.1
V
1.0
95.0
mV ac
105.0
mV ac
X.01
V
1.0
9.50
mV ac
10.50
mV ac
V
1.0
0.95
mV ac
1.05
mV ac
X1000
(9) Connect equipment as shown in figure 1 below.
Figure 1. Equipment connection.
(10) Set resistance standard for 1 k .
(11) Adjust TI output to 1.0 on OUTPUT RMS (VOLTS RMS) meter (in X1000 V position).
(12) Adjust RF power amplifier for an indication of 100 mV on multimeter.
(13) Set ATTENUATOR switch to X100 V. Multimeter will indicate 9.5 and 10.5 mV.
(14) Set ATTENUATOR switch to X10 V. Multimeter will indicate 0.7 and 1.2 mV.
5
