Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1986-09-22
1987-12-29
Heyman, John S.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307473, 307480, 307549, 35821326, 375104, 375113, 328165, H04N 521
Patent
active
047163178
ABSTRACT:
In an integrated circuit of the type having a reset transistor for a capacitance succeeded by an active information charge transfer transistor for the capacitance, a clock pulse signal at the common switching electrode results in opposite-polarity switching. It is found in practice that a noise pattern present at a reset pulse level in the circuit output signal may cause problems in the case of further signal processing operations in the device. To solve these problems, a control method is used with a clock pulse signal which has three signal levels, a first level at which only the reset transistor is conducting, a second level at which the two transistors are both non-conducting, and a third level at which only the information charge transfer transistor is conducting. The result is that part of the noise pattern is suppressed, so that further signal processing operations in the device, for example, by a known signal clamping circuit and a known signal sample-and-hold circuit, can be performed in an acceptable manner.
REFERENCES:
patent: 4549215 (1985-10-01), Levine
patent: 4551759 (1985-11-01), Crabtree
patent: 4556851 (1985-12-01), Levine
patent: 4581651 (1986-04-01), Miyata et al.
Biren Steven R.
Heyman John S.
Mayer Robert T.
U.S. Philips Corporation
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