TB 9-4931-488-24
NOTE
Perform technique of (7) through 10 below for models containing
opt 004 only. All other models proceed to (11) below.
(7) Release COUNTER MODE LOCK ON pushbutton. Set RANGE MHz switch
to 256 - 128 and adjust FREQUENCY TUNE control for a 190 MHz indication on
FREQUENCY MHz display.
(8) Set RF OFF/ON switch to ON and adjust OUTPUT LEVEL 1 dB switch and
vernier control for a +8.0 dBm indication on measuring receiver.
(9) While observing measuring receiver indication, slowly vary TI frequency from
start to stop frequencies listed in table 17. Measuring receiver should indicate between
minimum and maximum indications listed in table 17.
(10) Repeat technique of (7) through (9) above for remaining options and settings
listed in table 17.
Table 17. Output Level Flatness (Models with Option 004).
Start
Stop
Min
Max
Options
frequency
frequency
indication
indication
(Hz)
(Hz)
(dB)
(dB)
004
16 M
108 M
+7.25
+8.75
004
108 M
336 M
+7.5
+8.5
004
336 M
512 M
+7.25
+8.75
004 with 003
16 M
108 M
+6.75
+9.25
004 with 003
108 M
336 M
+7.5
+8.5
004 with 003
336 M
512 M
+6.75
+9.25
(11) Set RF OFF/ON switch to OFF and disconnect measuring receiver from TI.
b. Adjustments. No adjustments can be made.
14. Internal Modulation
Frequency
Accuracy,
Output
Voltage,
and Distortion
a. Performance Check
(1) Position controls as listed in (a) through (f) below.
(a) AM switch to INT.
(b) AUDIO OUTPUT LEVEL control fully cw.
(c) AM vernier fully cw.
(d) MODULATION FREQUENCY range switch to FIXED FREQ 1 kHz
(1000 Hz for option 004).
(e) FM switch to OFF.
(f) RF OFF/ON switch to ON.
(2) Make connections as listed in (a) through (d) below.
(a) Connect audio analyzer ANALYZER INPUT HIGH to BNC T connector.
(b) Connect frequency counter input A to BNC T connector.
