Aeroflex NAV 2000R Operation Manual page 11

SECTION
4.5.12 VOLTAGE REFERENCE ..................................................................... 4-17
4.5.13 DETECTED AUDIO HI/LO INDICATION ............................................. 4-18
4.5.14 PROGRAMMABLE STEP ATTENUATOR CONTROL ........................ 4-18
4.5.15 RF MODUALTOR BOARD ................................................................... 4-18
4.5.16 MODULATING SIGNAL TEMP. COMPENSATION NETWORK ......... 4-18
4.5.17 AUDIO MODULATED AMPLIFIER ...................................................... 4-19
4.5.18 RF LEVELING AMPLIFIER .................................................................. 4-20
4.5.19 FIXED GAIN AMPLIFIERS................................................................... 4-20
4.5.20 DETECTOR .......................................................................................... 4-20
4.5.21 LPF & INTEGRATOR ........................................................................... 4-21
4.5.22 SCALING & RF LEVEL SET ................................................................ 4-21
4.5.23 RF HIGH/LOW INDICATION................................................................ 4-22
4.6 PROGRAMMABLE STEP ATTENUATOR........................................... 4-22
4.7 SYNTHESIZER CIRCUITS .................................................................. 4-22
4.7.1 REFERENCE/CONTROL BOARD CIRCUITS..................................... 4-22
4.7.2 RF/OUTPUT BOARD CIRCUITS ......................................................... 4-23
4.7.3 MAIN VCO ............................................................................................ 4-25
4.7.4 400 MHz VCO ...................................................................................... 4-25
4.8 REVERSE POWER PROTECTION
(-50 UNIT WITH MOD STATUS 7)....................................................... 4-25
5.1 BILLS OF MAT, ASSY DWGS, SCHEMATICS & TEST PROCED ..... 5-1
GPIB COMMAND QUICK REFERENCE ............................................. A-1
TABLE OF CONTENTS - NAV 2000R - REVISION 0 - JULY 26, 2007 - PAGE TC-3
Aeroflex Operation Manual
SECTION IV
THEORY OF OPERATION (Con't)
SECTION V
MAINTENANCE INFORMATION
APPENDIX A
PAGE NUMBER