The algorithm 20-12
Interactions with other features 20-13
Choosing trigger type with analog demodulation 20-13
Using gating and averaging with analog demodulation 20-13
Two-channel measurements and analog demodulation 20-13
21 Gating Concepts
What is Time Gating? 21-2
How Does it Work? 21-4
Important Concepts 21-5
Parameter Interactions 21-6
22 Digital Demodulation Concepts (Opt. AYA)
Overview 22-2
What you learn in this chapter 22-2
If you need background references 22-2
What this analyzer does 22-2
Measurement Flow 22-4
General block diagram 22-4
Digital Demodulator Block diagram (except FSK) 22-5
Digital Demodulator Block diagram: FSK 22-6
Measurement management 22-8
Measurement and display choices 22-8
Carrier locking 22-9
I-Q measured signal 22-10
I-Q reference signal 22-10
Special considerations for FSK demodulation 22-10
Parameter interactions 22-11
Span considerations 22-11
Data size considerations 22-12
Resolution bandwidth 22-12
Display limitations 22-12
Feature Availability in Digital Demod 22-13
Special considerations for sync search 22-14
Special considerations for pulsed signals 22-15
Speed and resolution considerations 22-16
Maximizing speed - measurement and display 22-16
Maximizing resolution 22-16
Filtering 22-17
General information 22-17
xxv
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