Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1984-06-13
1986-01-28
Anagnos, Larry N.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307571, 307263, H03K 301, H03K 17687
Patent
active
045673780
ABSTRACT:
An off-chip driver (OCD) circuit is described including a first output device and a second output device having a common output connection wherein a rising (1 bit) or falling (0 bit) signal is applied through an input circuit 24 to the output devices. The output signal which appears at the common output connection will exhibit a rise time and a fall time corresponding to the rise and fall of the input signal. A first monitoring device is connected to the output signal to monitor the rise time of the output signal and a second monitoring device is connected to the output signal to monitor the fall time of the output signal. A ramp generator is provided which generates a reference signal which also includes a rise time and a fall time. The two monitor circuits and compare the rise and fall times of the output signal with the reference rise time and reference fall time to produce a feedback signal to control the rise and fall times of the output signal in accordance with the reference signal.
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Anagnos Larry N.
Davis B. P.
Goodwin John J.
International Business Machines - Corporation
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