TB 9-6625-2340-35
(40) Change signal generator No. 3 output level to 1 dBm.
(41) Adjust signal generator No. 3 output level for a -5.00 0.02 dBm indication on
measuring receiver.
(42) Press TI REFERENCE LEVEL, 5, and -dBm.
(43) Record the marker amplitude indicated on TI display in Displayed Amplitude
column of table 49.
Measuring receiver
Test instrument
indication
Level
Reference level
Displayed amplitude
(dBm)
(dBm)
(dBm)
-5
-5
(43) Calculate gain compression using the formula below. Calculated value will be
within the limits specified in table 50.
Amplitude @ -5 dBm - amplitude @ -15 dBm = gain compression
Calculated gain compression
(dBm)
Min
Max
1
-1
(44) Press TI keys as listed in (a) through (i) below:
(a)
2-22 GHz
(b)
RES BW, 3, MHz.
(c)
VIDEO BW, 3, MHz.
(d)
REFERENCE LEVEL, 0, dBm.
SCALE LOG ENTER db/DIV, SHIFT, 10, -dBm.
(e)
(f)
SHIFT, ATTEN, SHIFT, 0-2.5 GHz, 0, dBm.
(g)
RES BW, 10, kHz.
(h)
VIDEO BW, 30, kHz.
(i)
SWEEP TIME, 30, mSEC.
dBm.
(46) Press TI keys as listed in (a) through (c) below:
(a) CENTER FREQUENCY, 9, GHz.
(b) FREQUENCY SPAN, 1, MHz.
(c) ATTEN, 0, dBm.
(47) Set up measuring receiver to measure RF power.
(48) Adjust signal generator No. 3 output level for a -15.00 0.05 dBm indication on
measuring receiver.
