Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1980-08-27
1982-10-26
Heyman, John S.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307228, 307494, 307268, H03K 504, H03K 450, H03K 5156
Patent
active
043564100
ABSTRACT:
Circuit arrangement for the transmission and the directly following repetition of a pulse, with the duration of the transmitted pulse being equal, and the duration of the repeated pulse being in proportion to the duration of the pulse, by using a differential amplifier-like arrangement of a first and of a second transistor with two load transistors complementary thereto connected as a current-transformer circuit, and with a constant current source arranged within the common emitter circuit comprising the base of the first transistor being applied via an input capacitor to the pulse input and, across a first resistor to a fixed potential the amount of which is smaller than that of the operating voltage and greater than zero, with the signs thereof being equal to that of the operating voltage, the base of the second transistor being connected to the collector thereof and to a capacitor applied to the zero point of the circuit, the emitters of the load transistors being applied across a second and a third resistor to the operating voltage, the emitter of the load transistor of the second transistor being the pulse output, and the duration of the repeated pulse being fixed by the ratio of the collector currents flowing in said load transistors.
REFERENCES:
patent: 3280347 (1966-10-01), Blokker et al.
patent: 3424926 (1969-01-01), Edwards
patent: 4047052 (1977-09-01), Koubek et al.
patent: 4047057 (1977-09-01), Ahmed
patent: 4267521 (1981-05-01), Yokoyama
Heyman John S.
IT&T Industries, Inc.
O'Halloran John T.
Van Der Sluys Peter C.
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