| ELECTRICAL POWER SOURCE RELATIONSHIP | OPERATING |
| ENCLOSURE FEATURE | MULTIPLE ITEM W/CARRYING CASE |
| AC VOLTAGE RATING | 115.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| FREQUENCY RATING | 400.0 HERTZ NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| FUNCTIONAL CLASSIFICATION | AA-9.4 |
| FUNCTIONAL DESCRIPTION | THE DIGITAL TO ANALOG CONVERTER (DAC),ALSO CALLED THE ANALOG RECEIVER DIGITAL INSTRUMENTATION (ARDI) BOX ANDTHE RECEIVER INSTRUMENTATION BOX (RIB),IS ORGANIZATIONAL AEROSPACE GROUND EQUIPMENT USED WITH AN OSCILLOSCOPE TO DETECT AND ISOLATE FAULTS IN THE ANALOG RECEIVER OF THE E-3 (AWACS) RADAR SETS AN/APY-1 & -2 INCLUDING THE RADAR SYSTEM IMPROVEMENT PROGRAM (RSIP). THE DAC PROVIDES SELF-TEST CAPABILITY WHICH DISTINGUISHES BETWEEN A FAULT IN THE DAC AND THE UNIT UNDER TEST |
| HEIGHT | 14.170 INCHES NOMINAL |
| LENGTH | 22.950 INCHES NOMINAL |
| MAJOR COMPONENTS | SELF-TEST UNIT; INSTRUMENTATION BOX ASSEMBLY; INSTRUMENTATION ANALOG RECEIVER BOARD ASSEMBLY; SIGNAL,POWER,& COAXIAL CABLES; CARD GUIDES; COMBINATION CASE |
| PHASE | SINGLE LOCATION NOT OTHERWISE SPECIFIED |
| RELATIONSHIP TO SIMILAR EQUIPMENT | MODIFIED 6625-01-037-2303 |
| WIDTH | 15.400 INCHES NOMINAL |
| TEST TYPE FOR WHICH DESIGNED | DIGITAL TO ANALOG CONVERTER ACCEPTS 14 BITS AT 5MHZ RATE; CONVERTS VIDEO,PULSE DATA SATURATION DATA & TIMING SIGNALS,BEYOND-THE-HORIZON TARGET RANGE & AMPLITUDE WORDS,BEYOND-THE-HORIZON TIMING & CONTROL SIGNALS |