TB 9-6625-2345-35
(15) Repeat technique of (11) (a), (11) (b) then (12) and (13) above for remaining
signal generator #1 and TI settings in table 4. Marker frequency displayed on TI CRT will
Test instrument
Amplitude (dBm)
Counter Display (MHz)
Min
Max
500
MHz
0
500
MHz
499.999888
500.000112
1.0 GHz
0
1.0 GHz
999.999788
1000.000212
1.5 GHz
0
1.5 GHz
1499.999688
1500.000312
(16) Press TI keys as listed in (a) through (f) below:
(a) BLUE SHIFT.
(b) SPAN/DIV, 1, kHz dBX.
(c) COUNT (twice).
(d) SINGLE SWEEP (twice and wait for sweep completion).
(e) GREEN SHIFT.
(f) PEAK FIND.
(17) Marker frequency displayed on TI CRT will be between 1499.999000 and
1500.001000.
(18) Press signal generator #1 INSTR PRESET key.
(19) Disconnect equipment setup.
b. Adjustments. None
12. Center Frequency Stability
a. Performance Check
(1) Press TI keys as listed in (a) through (i) below:
(a) BLUE SHIFT, RESET.
(b) BLUE SHIFT.
(c) FREQ, 1, 0, 0, MHz +dBX.
(d) BLUE SHIFT.
(e) SPAN/DIV, 5, 0, Hz dB.
(f) VERTICAL DISPLAY 2dB/DIV.
(g) BLUE SHIFT.
(h) REF LEVEL, 2, 0, kHz dBX.
(i) AUTO RESOLN (not illuminated).
(2) Set TI controls as listed in (a) and (b) below:
(a) TIME/DIV to AUTO.
(3) Connect TI CAL OUT to TI RF INPUT 50Ω.