Charge coupled device variable divider with integrating well

Details Charge coupled device variable divider with integrating well Charge coupled device variable divider with integrating well

1979-10-01

1981-07-07

Munson, Gene M.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

357 24, 340347AD, G11C 1928, H01L 2978

Patent

active

042776945

ABSTRACT:
A charge injection means periodically introduces a charge packet into a charge flow channel in a semiconductive substrate surface under the control of a clock signal. The charge packets are accumulated beneath an integrating electrode in the charge flow channel until the amount of charge stored beneath the integrating electrode reaches a predetermined amount. Upon this occurrence, the charge subsequently injected spills over a potential barrier and into charge sensing means near the integrating electrode. The charge sensing means responds to the spilled charge by causing substantially the entire accumulated charge to be spilled over the barrier into the charge sensing means in a regenerative feedback loop. Operation of the regenerative feedback loop accelerates a change in potential of the integrating electrode, causing an electrical output pulse to be generated at the integrating electrode. The dividing ratio of the device is the ratio between the pulse rate of the output pulses on the integrating electrode and the pulse rate of the clock signal applied to the charge injection means, and this ratio may be altered merely by changing the size of each charge packet injected by the charge injection means.

REFERENCES:
patent: 4027260 (1977-05-01), Carnes et al.
patent: 4092549 (1978-05-01), Prince

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