Delay circuit that scales with clock cycle time

Details Delay circuit that scales with clock cycle time Delay circuit that scales with clock cycle time

2006-03-28

2006-03-28

Nguyen, Linh My (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Having specific delay in producing output waveform

C327S285000

Reexamination Certificate

active

07019576

ABSTRACT:
A circuit having a process, voltage, and temperature (PVT) invariant delay element is disclosed. In one embodiment, the present invention includes a first and second operational transconductance amplifier (OTA), a first and second switched capacitor driven by a clock, and a first and second clock-controlled switch. In addition, the present invention includes a trip inverter, a delay inverter, and a plurality of transistors. In so coupling the first and second OTA, the first and second switched capacitor, the first and second clock-controlled switch, the trip inverter, the delay inverter, and the plurality of transistors, a circuit having a PVT invariant delay element is provided.

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patent: 404227314 (1992-08-01), None

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