Accession Number : ADD013150

Title :   Pin Diode Linear Attenuator Controlled by a Companding DAC (Digital to Analog Converter).

Descriptive Note : Patent, Filed 1 Mar 82, patented 15 Jan 85,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Hughes,Richard S

Report Date : 15 Jan 1985

Pagination or Media Count : 5

Abstract : A companding digital to analog converter (DAC) of a digital input and exponential output is utilized to drive a PIN diode having a logarithmic attenuation characteristic. An RF signal applied to the diode is linearly attenuated by the diode and variably controlled by digital means through the DAC.

Descriptors :   *PATENTS, *DIGITAL TO ANALOG CONVERTERS, PIN DIODES, NONLINEAR SYSTEMS, RADIOFREQUENCY, ATTENUATION, LINEAR SYSTEMS

Subject Categories : Electrical and Electronic Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE