Deglitching means for digital communication systems

Details Deglitching means for digital communication systems Deglitching means for digital communication systems

1988-10-12

1991-02-26

Olms, Douglas W.

Pulse or digital communications

Spread spectrum

Direct sequence

455223, H04B 110

Patent

active

049966979

ABSTRACT:
In a digital wireless subscriber telephone unit for wireless connection with a base station which includes a modem processor whose signal is converted to an analog signal which is then upconverted and filtered to form an IF signal, a deglitching circuit for removing glitch spikes occurring during the transition periods from digital signals to analog signals comprising a timing system, a detector for detecting the transistion periods in order to control the timing system, and a mixer coupled to the output of a D/A converter to mix a blanking signal from the timing system with the analog signal received from the D/A converter during the transistion periods, whereby the output of the mixer is returned to an intermediate reference level.

REFERENCES:
patent: 4236254 (1980-11-01), Augustin et al.
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patent: 4488144 (1984-12-01), Wollman
patent: 4510624 (1985-04-01), Thompson et al.
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patent: 4704736 (1987-11-01), Kasser
patent: 4823128 (1989-04-01), Barak
Schulz et al, "Digital-to-Analog Converter System", IBM Technical Disclosure Bulletin, vol. 16, No. 1, Jun. 1973.

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