Anritsu 682XXB User Manual
Page 111
Table of Contents
4-1
INTRODUCTION . . . . . . . . . . . . . . . . . . . 4-3
4-2
RECOMMENDED TEST EQUIPMENT . . . . . . . 4-3
4-3
TEST RECORDS . . . . . . . . . . . . . . . . . . . 4-3
4-4
CALIBRATION FOLLOWING SUBASSEMBLY
REPLACEMENT . . . . . . . . . . . . . . . . . . . 4-4
4-5
CONNECTOR AND KEY LABEL NOTATION . . . 4-4
4-6
INITIAL SETUP. . . . . . . . . . . . . . . . . . . . 4-7
Interconnection . . . . . . . . . . . . . . . . . 4-7
PC Setup — Windows 3.1 . . . . . . . . . . . . 4-8
PC Setup — Windows 95 . . . . . . . . . . . . 4-10
4-7
PRELIMINARY CALIBRATION . . . . . . . . . . 4-13
Equipment Setup . . . . . . . . . . . . . . . . 4-13
Calibration Steps . . . . . . . . . . . . . . . . 4-14
4-8
SWITCHED FILTER SHAPER CALIBRATION . . 4-17
Equipment Setup . . . . . . . . . . . . . . . . 4-17
Log Amplifier Zero Calibration . . . . . . . . . 4-18
Limiter DAC Adjustment . . . . . . . . . . . . 4-18
Shaper DAC Adjustment . . . . . . . . . . . . 4-19
4-9
RF LEVEL CALIBRATION . . . . . . . . . . . . . 4-22
4-10
ALC SLOPE CALIBRATION (FIRMWARE
VERSION 1.01 TO 2.00) . . . . . . . . . . . . . . 4-23
Equipment Setup . . . . . . . . . . . . . . . . 4-23
ALC Slope DAC Adjustment . . . . . . . . . . 4-24
ALC SLOPE CALIBRATION (FIRMWARE
VERSION 2.00 AND ABOVE) . . . . . . . . . . . 4-27
Equipment Setup . . . . . . . . . . . . . . . . 4-27
Chapter 4
Calibration