Digital super-regenerative detector RF receiver

Details Digital super-regenerative detector RF receiver Digital super-regenerative detector RF receiver

1997-08-08

2000-09-12

Vo, Don N.

Pulse or digital communications

Receivers

Automatic baseline or threshold adjustment

34082569, 341176, H04L 2506

Patent

active

06118828&

ABSTRACT:
A digital super-regenerative receiver has an analog RF detector and a regenerative oscillator. An output signal of the analog RF detector is used to generate a digital signal from which an oscillator bias is adjusted in order to maintain the oscillator start-up time at a fixed level. The circuit senses through the use of a multi-level threshold detector if the start-up time is earlier or later than the predetermined start-up time and produces an output signal when the majority of the start times are ahead of the expected start time.

REFERENCES:
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patent: 4638443 (1987-01-01), Schindler
patent: 5621756 (1997-04-01), Bush et al.
Whitehead, J.R., "Super-Regenerative Receivers," Cambridge at the University Press, 1950.

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