Small area and low current drain frequency divider cell for inte

Details Small area and low current drain frequency divider cell for inte Small area and low current drain frequency divider cell for inte

1989-08-15

1991-04-30

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

3072471, 307291, 377115, H03K 3289, H03K 3288, H03K 2102

Patent

active

050121308

ABSTRACT:
A pair of control transistors and a pair of storage transistors have their collectors coupled to a current source. The emitters of the storage transistors are grounded and the emitters of the control transistors are coupled to the bases of the storage transistors. The control transistor collector and base electrodes are cross-coupled, and the storage transistor collector and base electrodes are also cross-coupled. The emitter of each control transistor is connected to the collector of the associative storage transistor through a respective resistor. Two diodes in series connect the collectors of the control transistor, and a command transistor having a grounded emitter electrode, drives the common node of the diodes.

REFERENCES:
patent: 4277698 (1981-07-01), Vasquez
patent: 4357546 (1982-11-01), Govaert

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