Accession Number : AD0892161

Title :   Twenty-Five (25) kHz Frequency Synthesizer for Radio Set AN/ARC-144.

Descriptive Note : Final rept. 30 Jun 69-30 Apr 70,

Corporate Author : RCA DEFENSE ELECTRONIC PRODUCTS CAMDEN NJ

Personal Author(s) : Richter, R.

Report Date : 30 JUN 1970

Pagination or Media Count : 41

Abstract : The 25-kHz Frequency Synthesizer effort reported on herein was performed as Tasks I and II. The purpose of Task I was to determine through study, investigation and analysis the feasibility of modifying or redesigning an AN/ARC-144 UHF Radio Set to tune in both 25-kHz and 50-kHz steps in lieu of only the existing 50-kHz steps. The purpose of Task II was to modify the design of the AN/ARC-144 Frequency Synthesizer to generate 3500 and 7000 operating channels in the 225 to 400-MHz frequency band and still retain mechanical and electrical interchangeability with the existing AN/ARC-144 Synthesizer. Modification and/or redesign of associated radio set circuitry, i.e., receiver 2nd IF bandwidth, frame wiring, control box and remote indicator display, were also part of the program objectives.

Descriptors :   (*FREQUENCY SYNTHESIZERS, AIRBORNE), (*RADIO RECEIVERS, MODIFICATION KITS), (*RADIO TRANSMITTERS, MODIFICATION KITS), COMMUNICATION AND RADIO SYSTEMS, FREQUENCY DIVIDERS, VOICE COMMUNICATIONS, FREQUENCY SHIFT KEYERS, DIRECTION FINDING, DATA TRANSMISSION SYSTEMS, CONTROL PANELS, ULTRAHIGH FREQUENCY.

Subject Categories : Electrical and Electronic Equipment
      Radio Communications

Distribution Statement : APPROVED FOR PUBLIC RELEASE