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Table 4. -3 dB Resolution Bandwidth Accuracy
Table 5. -60 dB Resolution Bandwidth Settings

TB-9-6625-2333-35 Spectrum Analyzer Agilent Models 8562EC-104 and 8562EC-104 Manual
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TB 9-6625-2333-35
Corrected -3 dB BW = (1.05/1.00) x 913 kHz = 958.65 kHz
(24) Calculate -3 dB bandwidth using formula below. Result will be within limits
listed in table 4 for the current TI RES BW setting.
-3 dB BW = 100 x (corrected -3 dB BW - RES BW setting)/RES BW setting
Example: RES BW setting = 1 MHz
Corrected -3 dB BW = 958.65 kHz
-3 dB BW = 100 x (0.95865 MHz - 1.0 MHz)/1.0 MHz = -4.135%
(25) Press TI keys as listed in (a) through (d) below:
(a)
MARKER MKR.
(b)
[MARKERS OFF].
(c)
CONTROL TRIG.
(d)
[SWEEP CONT SGL] to select CONT.
(26) Repeat technique of (4)(h), (j), and (7) through (25) above for remaining TI
settings in table 3 and table 4.
(27) Press TI keys and enter values using DATA keys as listed in (a) through
(d) below:
(a)
SPAN then [SPAN] to 20 MHz.
(b)
CONTROL BW then [RES BW] to 2 MHz.
(c)
[VIDEO BW] to 300 Hz.
(d)
AMPLITUDE then [LOG dB/DIV] to 10 dB.
(28) Set synthesizer/level generator AMPLITUDE to -3 dBm and AMPTD INCR to
1 dB.
(29) Press TI keys as listed in (a) through (c) below:
(a) INSTRUMENT STATE CAL.
(b) [ADJ CURR IF STATE] wait for IF ADJUST STATUS messages
to disappear.
(c) MARKER PEAK SEARCH.
(30) Adjust synthesizer/level generator amplitude until TI MKR indicates
0 dBm 1.00 dB.
(31) Set synthesizer/level generator AMPTD INCR to 60 dB.
(32) Set synthesizer/level generator frequency to F1 listed in table 5 for the current
TI RES BW setting.
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