Method and apparatus for adjusting peak and valley acquisition r

Details Method and apparatus for adjusting peak and valley acquisition r Method and apparatus for adjusting peak and valley acquisition r

1993-01-21

1994-04-12

Ng, Jin F.

Telecommunications

Receiver or analog modulated signal frequency converter

Noise or interference elimination

34082544, 376 76, H04B 110, G08B 522

Patent

active

053034163

ABSTRACT:
A radio communication device (100) for receiving a signal comprises tracking circuitry (115) for tracking the signal to acquire peak and valley values of the signal, a threshold detector (150) coupled to the tracking circuitry (115) for determining a center threshold of the signal, and an edge detector (180) coupled to the threshold detector (150) and the tracking circuitry (115) for determining a number of center transitions of the signal in a predetermined time period. The radio communication device (100) further comprises a rate controller (185) coupled to the edge detector (180) and the tracking circuitry (115) for receiving the number of center transitions and for adjusting an acquisition rate with which the peak and valley values are acquired in accordance with the number of center transitions.

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patent: 4929851 (1990-05-01), Pace
patent: 5003196 (1991-03-01), Kawaguchi
patent: 5025251 (1991-06-01), Mittel

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