Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1986-12-22
1987-12-15
LaRoche, Eugene R.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307350, H03K 1700
Patent
active
047136200
ABSTRACT:
The present inventive concept combines two signals, each representative of a portion of a single signal, wherein the two signals have different non-linear slopes, and produces a single linearly changing output signal indicative of the combination. This circuit is specifically used in combination with the feedback loop of a delayed automatic gain control circuit to detect the signal level applied to the gain control circuit and to provide a linearly changing output signal representative of the decibel value of the signal applied to the automatic gain control circuit. This is accomplished by linearizing the two different signals independently, and establishing a maximum value for one signal, a minimum value for the other signal, and summing these in conjunction with a reference to produce a single composite linearly changing signal.
REFERENCES:
patent: 3636338 (1972-01-01), Abnett et al.
patent: 3760185 (1973-09-01), Green
Hallford Ben R.
Varian Karl R.
Hamann H. Fredrick
LaRoche Eugene R.
Lutz Bruce C.
Mottola Steven J.
Rockwell International Corporation
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