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Table of Contents
2-1 INTRODUCTION
...................
2-3
2-2 682XXB/683XXB MAJOR SUBSYSTEMS
......
2-3
Digital Control..................2-3
Front Panel ...................2-4
Frequency Synthesis ...............2-4
Analog Instruction ................2-5
YIG Driver ...................2-5
Function Generator ...............2-5
ALC/AM/Pulse Modulation ............2-8
RF Deck .....................2-8
Power Supply ..................2-8
Inputs/Outputs .................2-8
Motherboard/Interconnections ..........2-9
2-3 FREQUENCY SYNTHESIS
.............
2-9
Phase-Lock Loops
................
2-9
Overall Operation
...............
2-10
RF Outputs 0.01 to 65 GHz
...........
2-13
Frequency Modulation
.............
2-14
Phase Modulation (Option 6)
..........
2-14
Analog Sweep Mode (683XXB only)
.......
2-14
Step Sweep Mode
................
2-15
2-4 ALC/AM/PULSE MODULATION
..........
2-15
ALC Loop Operation
..............
2-15
Pulse Generator Operation
...........
2-18
2-5 RF DECK ASSEMBLIES
..............
2-19
RF Deck Configurations
............
2-20
YIG-tuned Oscillator
..............
2-20
Power Level Control and Modulation
......
2-23
RF Signal Filtering
...............
2-23
Chapter 2
Functional Description