Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1977-07-12
1978-08-29
Anagnos, Larry N.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307246, 307251, 307DIG4, H03K 1760, G11C 1124
Patent
active
041106377
ABSTRACT:
An electronic circuit arrangement designed to store for an indefinite period a signal voltage of predetermined magnitude briefly applied thereto, comprises a main storage capacitor C.sub.s connected via a first semiconductor switch T.sub.1 across a supply of unipolar voltage and via a second semiconductor switch T.sub.2 across an ancillary storage capacitor C.sub.x, the latter lying in series with a binary capacitor C.sub.i between two conductors M, .PHI..sub.1 across which a clock pulse V.sub..PHI.1 is periodically generated. The semiconductor switches are field-effect transistors of the insulated-gate type (IGFETs), the gate of the first IGFET T.sub.1 being tied to the junction X between the ancillary storage capacitor C.sub.x and the gate of the binary capacitor C.sub.i ; this junction X communicates with the junction S between the two IGFETs and the main storage capacitor C.sub.s in the conductive state of the second IGFET T.sub.2 whose gate receives a series of unblocking pulses V.sub..PHI.2, lagging behind the clock pulses V.sub..PHI.1. The unblocking pulses may be generated at the same cadence as the train of clock pulses, in interleaved relationship therewith; they could also be derived from the junction S between the first IGFET T.sub.1 and capacitor C.sub.s by having that junction tied to the gate of the second IGFET T.sub.2, the latter thus acting as a diode which conducts after the first IGFET T.sub.1 has been turned on to recharge the capacitor C.sub.s. The generator of clock pulses V.sub..PHI.1 may serve as the voltage supply for the first IGFET T.sub.1 by having one of its conductors, .PHI..sub.1, joined to the channel of that IGFET via a third IGFET T.sub.3 connected as a diode.
REFERENCES:
patent: 3699544 (1972-10-01), Joynson et al.
patent: 3702926 (1972-11-01), Picciano
patent: 3744037 (1973-07-01), Spence
patent: 3798616 (1974-03-01), Spence
patent: 3855581 (1974-12-01), Greene
patent: 3903431 (1975-09-01), Heeren
patent: 3922650 (1975-11-01), Schaffer
patent: 3924247 (1975-12-01), Spence
patent: 3943496 (1976-03-01), Padgett et al.
patent: 3988617 (1976-10-01), Price
Anagnos Larry N.
Ebauches S.A.
Ross Karl F.
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