Accession Number:

AD0669740

Title:

A WIDEBAND RECEIVER FOR DIRECTION-SENSITIVE DOPPLER RADARS,

Descriptive Note:

Corporate Author:

HARRY DIAMOND LABS WASHINGTON D C

Personal Author(s):

• Femenias,Raymond H.

Report Date:

1968-04-01

Pagination or Media Count:

14.0

Abstract:

The direction-sensitive doppler radar, a system concept originated in HDL, requires the introduction of a 90-deg phase displacement between two doppler signals. This had restricted the receiver bandwidth to about 3 octaves because of the interchannel amplitude discrepancy caused by available phase shifters. A new quadrature phase shifter with a constant output over a large frequency range has been developed. The performance of an experimental receiver incorporating this new phase shifter is described. It has a 7-octave bandwidth. Author

Descriptors:

• *DOPPLER RADAR
• *PHASE SHIFT CIRCUITS
• RADAR RECEIVERS
• BROADBAND
• PHASE DETECTORS

Subject Categories:

• Active and Passive Radar Detection and Equipment

Distribution Statement:

APPROVED FOR PUBLIC RELEASE