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