Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Having specific delay in producing output waveform
Patent
1993-12-09
1997-03-11
Nelms, David C.
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Having specific delay in producing output waveform
327263, 327264, 327266, H03H 1126
Patent
active
056105460
ABSTRACT:
Delay circuit comprising a delay cell formed by a current source (I) connected between drain and source of two field-effect transistors (PO, NO) whose gates are connected to each other in order to constitute the input of the cell, and an inverter (INV) linked to one or other of the terminals of the current source (I) according to whether the delay is to affect the leading edge or the trailing edge of the signal to be delayed, a capacitor (C) for defining a delay time (Te) proportional to the power supply voltage and inversely proportional to the current (I) delivered by the current source, being connected between the input of the inverter (INV) and earth, characterized in that it furthermore comprises a circuit (Ci, Cu, S1, S3, AMPLO, P1) for regulating the current delivered by the current source in order to make it proportional to the power supply voltage of the circuit.
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Carbou Pierre
Guignon Pascal
Perney Philippe
Donaldson Richard L.
Hiller William E.
Nelms David C.
Phan Trong
Texas Instruments Incorporated
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