TB 9-6625-2250-24
(d) CONTROL BW then [RES BW] to 1 MHz.
(e) [VIDEO BW] to 10 kHz.
(17) Repeat (10) through (12) above. TI MKR amplitude indication will be <-110 dBm.
(18) Press TI keys and enter values using DATA keys as listed in (a) through (e) below:
(a)
[STOP FREQ] to 18 GHz.
(b)
MARKER OFF.
(c)
CONTROL BW [RES BW] to 1 MHz.
(d)
[VIDEO BW] to 10 kHz.
(e)
(19) Repeat (10) through (12) above. TI MKR amplitude indication will be <-105 dBm.
b. Adjustments. No adjustments can be made.
10. Resolution Bandwidth Accuracy and Selectivity Test
a. Performance Check
(1) Connect TI 10 MHz REF IN/OUT to synthesizer/level generator 40/N MHz
REF INPUT.
to TI INPUT 50 .
(2) Connect synthesizer/level generator OUTPUT 50
(3) Press synthesizer/level generator keys to values as listed in (a) through (c) below:
(b) AMPLITUDE to -3 dBm.
(c) AMPTD INCR to 1 dB.
(4) Press TI keys enter values using DATA keys as listed in (a) through (k) below:
INSTRUMENT STATE PRESET.
(a)
AMPLITUDE.
(b)
[MORE].
(c)
[IF ADJUST].
(d)
[IF ADJ OFF].
(e)
(f)
SPAN then [ZERO SPAN].
(g)
AMPLITUDE then [LOG dB/DIV] to 1 dB.
(h)
CONTROL BW then [RES BW] to 2 MHz.
(i)
[VIDEO BW] to 300 Hz.
(j)
CONTROL SWEEP then [SWEEP TIME] to 50 ms.
(k)
(5) Adjust synthesizer/level generator amplitude to position the signal 2 to 3
divisions (2 to 3 dB) below TI reference level.
(6) Set synthesizer/level generator AMPTD INCR to 3 dB.