TB 9-6625-2258-24
to microwave frequency counter INPUT 1.
(21) Connect RF OUTPUT 50
(22) Press TI FREQUENCY RANGE CW F1 key and wait 1 minute for frequency
count to settle. If microwave frequency counter does not indicate between 18.09 and 18.11
GHz, perform b below.
(23) Press TI FREQUENCY RANGE CW F2 key and wait 1 minute for frequency
count to settle, if microwave frequency counter does not indicate between 27.38 and 27.42
GHz, perform b below.
(24) Press TI FREQUENCY RANGE CW F1 key and set F1 M3 display to 27.600
GHz by pressing 27.6 with DATA ENTRY keys and then by pressing GHz/dBm/SEC
DATA ENTRY key.
NOTE
Wait 1 minute before performing (25) below.
(25) If microwave frequency counter does not indicate between 27.58 and 27.62 GHz,
perform b below.
b. Adjustments
(1) Press POWER pushbutton to OFF position and remove TI top cover. Remove
TI board cover screw holding CCA boards.
(2) Replace TI top cover and do not fasten down (this step allows for easy removal
and replacement of TI top cover).
(3) Press POWER pushbutton to ON position.
(4) Press RESET key and allow TI to warm up for 30 minutes.
(5) Connect measuring receiver power sensor to RF OUTPUT 50 .
WARNING
Perform (6) through (21) below exactly as written to prevent
misalignment on wrong side of YIG oscillator's hysteresis
curve.
(6) Press FREQUENCY RANGE CW F1 key and set F1 M3 display to 2.100 GHz
by pressing 2.1 with DATA ENTRY keys and then by pressing GHz/dBm/SEC DATA
ENTRY key.
(7) Press FREQUENCY RANGE CW F2 key and set F2 M6 display to 7.900 GHz
by pressing 7.9 with DATA ENTRY keys and then by pressing GHz/dBm/SEC DATA
ENTRY key.
(8) Press FREQUENCY RANGE CW F1 key and wait 10 seconds for frequency
count to settle.
(9) Press FREQUENCY RANGE CW F2 key and wait 10 seconds for frequency
count to settle.
(10) Repeat (8) and (9) above two more times.
(11) Press FREQUENCY RANGE CW F1 key.
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