TB 9-6625-2250-24
MKR frequency indication.
(8) Record TI
(9) Press TI keys as listed in (a) through (g) below:
MARKER OFF.
(a)
CONTROL SWEEP then [SWEEP TIME] to 100 sec.
(b)
CONTROL TRIG.
(c)
[SINGLE] wait for completion of sweep (100 seconds).
(d)
MARKER PEAK SEARCH.
(e)
[MARKER DELTA].
(f)
[NEXT PEAK].
(g)
MKR frequency indication.
(10) Record TI
MKR indication recorded in (10) above from
MKR indication
(11) Subtract
recorded in (8) above. The difference will be < 50 Hz.
(12) Set synthesized signal generator frequency to 300.0606 MHz and press Output
On Off pushbutton to Off.
(13) Press TI keys and enter values using DATA as listed in (a) through (f) below:
INSTRUMENT STATE PRESET.
(a)
FREQUENCY then [CENTER FREQ] to 300 MHz.
(b)
SPAN then [SPAN WIDTH] to 101 kHz.
(c)
CONTROL BW then [RES BW] to 1 kHz.
(d)
AMPLITUDE then [REF LVL] to 8 dBm.
(e)
LOG dB/DIV to 2 dB.
(f)
(14) Repeat (4) through (10) above.
MKR indication recorded in (10) above from
MKR indication
(15) Subtract
recorded in (8) above. The difference will be < 2 kHz.
b. Adjustments. No adjustments can be made.
20. Marker Amplitude Accuracy
a. Performance Check
(1) Connect TI CAL OUTPUT to INPUT 50 .
(2) Press TI keys and enter values using DATA keys as listed in (a) through (i) below:
INSTRUMENT STATE PRESET.
(a)
FREQUENCY then [CENTER FREQ] to 300 MHz.
(b)
SPAN then [ZERO SPAN].
(c)
AMPLITUDE then [REF LEVEL] to -10 dBm.
(d)
CONTROL BW then [RES BW] to 300 kHz.
(e)
MARKER PEAK SEARCH.
(f)
AMPLITUDE.
(g)
