AN ANALOG-TO-DIGITAL LOGARITHMIC CONVERTER BASED ON AN oscillating circuit,
Abstract
A transistorized logarithmic analog-to-digital converter of d-c voltage into pulses is described. The input voltage (3 mv - 3 v) is first converted into voltage pulses by a sampling gate circuit. These voltage pulses excite an LC circuit whose oscillations are tuned to resonate with the gate control pulses. The output of the LC circuit is amplified, limited, and fed to an amplitude discriminator, whose output is a packet of pulses. The number of pulses in the packet is proportional to the logarithm of the input d-c voltage.
Document Details
- Document Type
- Technical Report
- Publication Date
- Nov 09, 1967
- Accession Number
- AD0677224
Entities
People
- I. D. Rapoport
- Yu. V. Mineev
Organizations
- National Air and Space Intelligence Center