Anritsu 682XXB, 683XXB - page 29

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