TB 9-6625-2049-35
13
(12) Adjust A9R7 Fine Adj. (fig. 3) and A9 Coarse Adj. (fig. 3) for a minimum
indication on frequency difference meter.
(13) Disconnect TI from frequency difference meter.
(14) Reconnect TI rear panel
10 MHz OVEN OUTPUT
to
EXT REF IN
.
13. Phase Increment
a. Performance Check
(1) Press keys and enter values using
DATA
keys as listed in (a) through (f) below:
(a)
SIGNAL
off (option 002 not lit).
(b)
FUNCTION
sine wave.
(c)
ENTRY FREQ
.
(d)
100
kHz
.
(e)
ENTRY
AMPTD
.
(f)
13
dBm
.
(2) Connect equipment as shown in figure 4.
Figure 4. Phase increment - equipment setup.
NOTE
If TI has option 001, remove the connection from
10 MHz
OUTPUT
to
EXT REF IN
(rear panel) (fig. 4).
(3) Set synthesizer/level generator frequency to .1 MHz and amplitude to 13 dBm.
(4) Set frequency counter controls for time interval A to B measurement.
(5) Press keys as listed in (a) through (c) below:
(a)
ENTRY PHASE
.
(b)
MODIFY
until frequency counter indicates between 199 and 201 ns.
(c) Blue then
ASGN ZERO PHASE
.
