Anritsu 682XXB, 683XXB Chapter 3 - Performance Verification

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
0.01 to 2 GHz Down Converter .........2-24
0.5 to 2.2 GHz Digital Down Converter .....2-25
Switched Doubler Module............2-26
Source Quadrupler Module ...........2-29
Power Level Detection/ALC Loop ........2-30
Step Attenuator ................2-31
Chapter 3 - Performance Verification
3-1 INTRODUCTION ...................3-3
3-2 RECOMMENDED TEST EQUIPMENT .......3-3
3-3 TEST RECORDS ...................3-3
3-4 CONNECTOR AND KEY LABEL NOTATION ...3-3
3-5 682XXB/683XXB POWER LEVELS .........3-6
3-6 INTERNAL TIME BASE AGING RATETEST ...3-8
Test Setup ....................3-8
Test Procedure..................3-9
ii 682XXB/683XXB MM
Table of Contents (Continued)