Variable digital delay line

Details Variable digital delay line Variable digital delay line

1998-10-22

2000-10-03

Wambach, Margaret R.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Having specific delay in producing output waveform

327261, 327271, 331 57, H03H 1126

Patent

active

061278718

ABSTRACT:
Described is a variable digital delay cell with a first input for receiving a first input signal to be delayed, a first output for providing a first output signal which is delayed with respect to the first input signal, and a control signal for controlling the delay time of the delay cell. The delay cell further includes a second input for receiving a second input signal which is delayed with respect to the first input signal, and a second output for providing a second output signal which is delayed with respect to the first input signal by a fixed delay time. The delay cell according to the invention can be driven as a single device, but also allows a cascading of an `unlimited` number of delay cells without increasing the base delay in comparison to a single delay cell.

REFERENCES:
patent: 4797586 (1989-01-01), Traa
patent: 5521539 (1996-05-01), Molin
patent: 5686851 (1997-11-01), Yamada

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