NSN 5985-00-080-7204 · NIIN 000807204 · FSC 5985
NO DASHES 5985000807204
In Stock
CONVERTER,FREQUENCY,ELECTRONIC
Antennas, Waveguides, and Related Equipment
Technical characteristics
18 rows
Straight from the federal item record. Entries the record leaves empty are shown empty — nothing is filled in on its behalf.
| MRC | Requirement | Value |
|---|---|---|
| AFSU | AVERAGE LIFE MEASUREMENT | NOT RATED |
| AGTA | BASIC SHAPE STYLE | |
| ABMK | OVERALL WIDTH | INCHES NOMINAL 15.250 |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 20.750 |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 12.500 |
| FAAZ | PHASE | SINGLE |
| FCLS | FUNCTIONAL CLASSIFICATION | AA-6.3 |
| TMDN | TYPE/MODEL DESIGNATION | CM-77A/USM |
| NTRD | ENTRY DATE | 70-12-01 |
| RDAL | REFERENCE DATA AND LITERATURE | DEPT OF ARMY PUBLICATIONS: TB9-6625-336-50,19 NOV 64; TM11-6625-493-15 W/ CHANGES 1 & 2,29 SEP 64; TM 11-6625-493-20P; TM11-6625-493-45P,19 OCT 64 |
| BHTB | FREQUENCY PER CHANNEL | MEGAHERTZ MINIMUM OPERATING CHANNEL 10.0 AND GIGAHERTZ MAXIMUM OPERATING CHANNEL 12.4 |
| BJBQ | OPERATING AC FREQUENCY IN HERTZ | MINIMUM SINGLE VOLTAGE 50.0 AND MAXIMUM SINGLE VOLTAGE 1000.0 |
| FTLD | FUNCTIONAL DESCRIPTION | EXTENDS FREQUENCY MEASUREMENT RANGE OF AN/USM-26 & AN/USM-207A INTO MICROWAVE RANGE; ALONG W/ AN/USM-26 OR -207A CAN MEASURE FREQUENCIES UP TO 12.4 GHZ,OR W/ AN EXTERNAL MIXER 1-18 GHZ; CAN BE USED W/OUT A FREQUENCY COUNTER TO MEASURE FREQUENCIES BELOW 4 GHZ W/IN ABOUT PORM 0.5 PCT; FREQUENCY IS DETERMINED BY ZERO-BEATING THE UNKNOWN SIGNAL W/ A HARMONIC OF AN EXTREMELY STABLE SIGNAL GENERATED W/IN & TO MEASURE CM-77A FUNDAMENTAL FREQUENCY ON A COUNTER; MULTIPLYING COUNTER READOUT BY HARMONIC CAUSING THE ZERO-BEAT GIVES INPUT FREQUENCY; HARMONIC NO. IS DETERMINED FROM PREVIOUS KNOWLEDGE OF INPUT FREQUENCY OR BY COMPUTATION; ZER/-BEAT IS DISPLAYED ON INTERNAL OSCILLOSCOPE |
| AMQY | INSTALLATION DESIGN | TOP OF CABINET/COUNTER |
| BHSX | CIRCUIT CONSTRUCTION TYPE | ELECTRON TUBE |
| BKFC | EXTERNAL AC OPERATING VOLTAGE IN VOLTS | MINIMUM SINGLE VOLTAGE 115.0 AND MAXIMUM SINGLE VOLTAGE 230.0 |
| AKNA | INCLOSURE TYPE | ENCASED |
| RTSE | RELATIONSHIP TO SIMILAR EQUIPMENT | INTERCHANGEABLE W/ 6625009739267 & 6625007355167; SIMILAR TO CM-77/USM |
Cross-references
5 manufacturer part numbers on file for this NSN — each shown against the CAGE code it belongs to.
| Manufacturer part number | CAGE |
|---|---|
| 540B | 1LQK8 |
| 540B | 28480 |
| 540B | 7ZXR5 |
| CM-77A/USM | 80058 |
| CM77AUSM | 80050 |
Supersedes
This item replaces cancelled NIIN 007883780. An older drawing citing one of those numbers resolves here.