Device for forming a bipolar signal of 50% duty cycle

Details Device for forming a bipolar signal of 50% duty cycle Device for forming a bipolar signal of 50% duty cycle

1976-02-06

1977-07-05

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307262, 307269, 307247R, 307265, 328 34, 328 61, H04J 300, H03K 500, H04B 300

Patent

active

040342360

ABSTRACT:
The common return path of a circuit for applying pulses in alternating polarity to the balanced input transformer of a bipolar code signalling circuit is switched to block the first half and pass the last half of each pulse with a timing independent of polarity. The pulses supplied to the switched pulse-applying circuit have the same duration as the binary signal pulses from which they are derived, but these binary signal pulses are alternately supplied to the two sides of the pulse applying circuit by means of an AND-gate and a multivibrator. The same clock pulse generator times the multivibrator and the common path switching of the pulse-applying circuit. The circuit converts binary to bipolar signals free of asymmetric timing errors.

REFERENCES:
patent: 3172952 (1965-03-01), Lentz
patent: 3188486 (1965-06-01), Favin
patent: 3381088 (1968-04-01), Lentz et al.

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