Accession Number:

AD0628487

Title:

SPAR ACOUSTIC SIGNAL AMPLIFICATION SYSTEM,

Descriptive Note:

Corporate Author:

NAVAL ORDNANCE LAB WHITE OAK MD

Personal Author(s):

Report Date:

1966-01-04

Pagination or Media Count:

31.0

Abstract:

The report describes the design philosophy, circuit diagrams and test results of the acoustic signal amplification system for the SPAR vehicle. Any of 15 hydrophones may be connected to any of 6 amplification channels. Each channel has a special ground loop hum rejection system, a precision attenuator of up to 60 db, and a total of 40 db of well stabilized gain following the hydrophone. Author

Subject Categories:

  • Electrical and Electronic Equipment
  • Acoustics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE