Synchronous delay-line amplification technique

Details Synchronous delay-line amplification technique Synchronous delay-line amplification technique

2011-06-21

2011-06-21

Kinkead, Arnold (Department: 2817)

Oscillators

Polyphase output

C331S057000, C331S074000, C327S175000, C381S120000, C330S010000, C323S282000

Reissue Patent

active

RE042470

ABSTRACT:
An open-loop switching amplifier achieves synchronous operation using a ring oscillator based upon a tapped delay line. A counter is clocked from the ring oscillator, periodically comparing incoming more significant data to the value of the counter to form a pulsewidth modulated output waveform. Modulating the effective width of the output waveform in incremental delay line taps is equivalent to incoming less significant data. This technique then effects time-period summation of coarse and fine resolution clocked data.

REFERENCES:
patent: 4773096 (1988-09-01), Kirn
patent: 6535058 (2003-03-01), Kirn
patent: 6825644 (2004-11-01), Kernahan et al.

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