Equipment Highlights: Radio Interface Units

reportActive / Technical Report | Accession Number: ADA200487 | Open PDF

Abstract:

The Radio Interface Unit RIU and its predecessor, the Special Radio Interface SRI, were developed to provide regulated power to operate various types of foreign radio systems and to provide an interface between the radios microphone input and headset output, allowing the radio to be operated with standard domestic headsets and microphones. The RIUs also provide an interface that allows communications to be recorded on a standard audio tape recoder. In addition, most types of RIUs allow the operator to monitor the relative volume units VU of the received and transmitted audio via a front panel light- emitting diode LED, bar graph VU meter. The RIUs and SRI provide operational flexibility through the use of a main printed circuit board PCB that contains amplification and switching circuitry and small secondary daughter PCBs, each designed for a particular radio system, that plug into the main PCB. The secondary PCBs ensure proper interface characteristics for the radio system in use. The RIUs and SRI operate off standard 110-Vac, 5060-hz line voltage some RIUs may be operated off an external 24-VDC source. The foreign radio systems supported by the SRI and various RIUs include R-105D, R-107, R-123, R-405, R- 802G, R-105M, R-118, R-130, R-407, and R-832.

Author(s):
Gore, Perry
Author Organization(s):
TECH REPS INC ALBUQUERQUE NM
Descriptive Note:
Final rept.
Supplementary Note:
DOI: 10.21236/ADA200487
Pagination:
0019

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release
Distribution Statement:
Approved For Public Release; Distribution Is Unlimited.

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
DTESA-SR-88-04
Contract/Grant Number(s):
MDA970-88-C-0024
Monitor Series:
SR-88-04, DTESA
 Subject Terms
Joint Capability Areas:
JCA_5_Command and Control; JCA_6.1.3_Switching and Routing; JCA_5.3_Planning; JCA_6.1_Information Transport; JCA_6_Net Centric; JCA_5.3.2_Apply Situational Understanding; JCA_3.2_Engagement; JCA_3_Force Application; JCA_3.2.1_Kinetic Means; JCA_4.2_Supply; JCA_4.2.1_Manage Supplies and Equipment; JCA_1.2_Force Preparation; JCA_1_Force Support
Modernization Areas:
Microelectronics
Communities of Interest:
Weapons Technologies
Descriptor(s):
*COMMUNICATION AND RADIO SYSTEMS, *EARPHONES, *MICROPHONES, *RADIO EQUIPMENT, *SWITCHING CIRCUITS, *INTERFACES, *MONITORING, OPERATORS(PERSONNEL), GRAPHS, DOMESTIC, PRINTED CIRCUIT BOARDS, FOREIGN, VOLUME, INPUT
Field(s)/Group(s):
Radio Communications
Keyword(s):
PE65804D
Report Date:
1988 Sep 04