TM 11-6625-3041-12/TO 33A1-8-908-1
Section II
EQUIPMENT DESCRIPTION
The Digital Data Generator SG-1139/G tests digital paths
Purpose
receivers, and complete systems.
Compatible with ATACS and TRI-TAC systems.
Charac-
teristics
Powered from standard 115-volt ac line.
Accessories supplied in cover.
Ruggedized for field use.
Checks unbalanced NRZ, balanced NRZ, and diphase paths.
Capabil-
ities
Measures total errors and bit error rate.
Checks station clock.
Operates from internal clock, external clock, or clock
derived from path under test.
Automatic, continuous evaluation of bit error rate.
Features
Simple operation with minimal hazard to personnel or equip-
ment.
Built-in test equipment.
Rapid access to assemblies for ease of repair.