TB 9-4931-535-35
a. Performance Check
(1) Connect synthesizer/level generator OUTPUT 50Ω to TI 50-75Ω input.
(2) Press keys and enter values using ENTRY keys as listed in (a) through (h)
below:
(a) ENTRY INSTR PRESET.
(b) INPUT ENTRY RANGE to .0 dBm using ENTRY STEP ⇑ or ⇓.
(c) ENTRY REFERENCE LEVEL to 10 dBm.
(d) INPUT REF LVL TRACK to off.
(e) ENTRY dB/DIV to 1 dB.
(f) RBW-VBW-ST ENTRY RES BW to 100 Hz.
(g) RBW-VBW-ST ENTRY VIDEO BW to 1 Hz.
(h) MARKER/CONTINUOUS ENTRY MAN SWEEP to on.
(3) Set synthesizer/level generator as listed in (a) through (c) below:
(a) FREQUENCY to 20 MHz.
(b) AMPLITUDE to 10 dBm.
(c) AMPTD INCR to 10 dBm.
(4) TI marker amplitude indication will be between 9.6 and 10.4 dBm.
(5) Press synthesizer/level generator INCR ⇓ key.
(6) Press TI ENTRY REFERENCE LEVEL key and enter 0 dBm using ENTRY
keys.
(7) TI marker amplitude indication will be between 0.4 and 0.4 dBm.
(8) Repeat technique of (5) through (7) above using settings and indications listed in
Test instrument
Synthesizer/level
generator
Marker amplitude indications
ENTRY REFERENCE
amplitude
(dBm)
LEVEL
settings (dBm)
Min
Max
settings (dBm)
-10
-10
-9.6
-10.4
-20
-20
-19.6
-20.4
-30
-30
-29.6
-30.4
-40
-40
-39.6
-40.4
-50
-50
-49.3
-50.7
-60
-60
-59.3
-60.7
-70
-70
-68.5
-71.5
-80
-80
-78.5
-81.5
