Electrical pulse counters – pulse dividers – or shift registers: c – Systems – Pulse multiplication or division
Patent
1986-01-28
1987-03-24
Miller, Stanley D.
Electrical pulse counters, pulse dividers, or shift registers: c
Systems
Pulse multiplication or division
307261, 307271, 3072191, 328 15, 328 20, H03K 364, H03K 378
Patent
active
046530797
ABSTRACT:
A circuit for producing a pair of output pulses for each cycle of differentially applied input pulses includes a pair of input transistors to which the differential input pulses are applied and a pair of output transistors the collectors of which are connected to an output of the pulse doubling circuit and the bases of which are respectively coupled to the emitters of a corresponding input transistor. A pair of delay circuits are provided coupled respectively from one of the input transistors to the base of the opposite output transistor. The output transistors are responsive to the respective input transistor being rendered conductive while the other input transistor is rendered non-conductive for causing the output voltage to change from a first level to a second level while the one delay circuit is responsive to the other input transistor turning off for turning the respective output transistor to turn off a predetermined time thereafter thereby causing the output voltage to change from the second level to the first level.
REFERENCES:
patent: 3555258 (1971-01-01), Berthier
patent: 3562673 (1971-02-01), Caspari
Bingham Michael D.
Miller Stanley D.
Motorola Inc.
Ohralik K.
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