TB 9-6625-2250-24
Table 16. Frequency Response - Continued
Synthesized signal generator frequency
and test instrument
[CENTER FREQ]
settings
2.0
GHz
1.5
GHz
1.0
GHz
500
MHz
100
MHz
50
MHz
20
MHz
(14) Set synthesized signal generator frequency to 10 MHz.
(15) Repeat (9) above.
(16) Press TI FREQUENCY key then [CENTER FREQ] to 10 MHz.
(17) Press TI SPAN key then [SPAN WIDTH] to 10 kHz.
(18) Press MARKER PEAK SEARCH key.
(19) Repeat (12) above.
(20) Record measuring receiver indication.
(21) Connect equipment as shown in figure 6.
Figure 6. Frequency response - equipment setup.
(22) Press synthesizer/level generator keys to values as listed in (a) through (c) below:
(a) FREQUENCY to 10 MHz.
(b) AMPLITUDE to -4 dBm.
(c) AMPTD INCR to 0.1 dB.
(23) Press TI MARKER PEAK SEARCH key.
(24) Slowly adjust synthesizer/level generator amplitude until TI MKR indication is
as close as possible to measuring receiver indication recorded in (20) above.
(25) Set synthesizer/level generator frequency to 1 MHz.
(26) Press FREQUENCY key then [CENTER FREQ] to 1 MHz.
(27) Press MARKER PEAK SEARCH key.