
EMC seminar
Theory of Operation
Swept Spectrum Analyzer Block Diagram
Page 13
Pre-Selector
Or Low Pass
Input Filter
Crystal
Reference
Oscillator
Log
Amp
RF input
attenuator
mixer
IF filter
(RBW)
envelope
detector
video
filter
local
oscillator
sweep
generator
IF gain
Input
signal
ADC, Display
& Video
Processing
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