Analog digital cascade converter

Details Analog digital cascade converter Analog digital cascade converter

1988-11-09

1990-09-04

Shoop, Jr., William M.

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

341133, H03M 136

Patent

active

049548271

ABSTRACT:
In an analog-digital converter working at microwave frequencies, the input signal is addressed in parallel to bit levels which are in cascade with one another. Each bit level has a transducer which converts the voltage into a current, and compares this current with a calibrated source. The resultant current is addressed to a logic circuit, the output of which delivers a bit. An intermediate output of the logic circuit constitutes a control signal which regulates the currents of the analog comparators of the less significant bit levels. The calibrated currents are in geometrical progression.

REFERENCES:
patent: 3594766 (1971-07-01), Gilbert
patent: 3858200 (1974-12-01), Henry
patent: 4542370 (1985-09-01), Yamada et al.
patent: 4608555 (1986-08-01), Hoeft
Patent Abstracts of Japan, vol. 7, No. 65 (E-165) [1210], Mar. 18, 1983.

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