Solar powered circuit having CMOS and bipolar transistors

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons

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Details

357 30, 357 46, 307311, 307318, H01L 2702

Patent

active

045232172

ABSTRACT:
N-stage bipolar transistors are provided in a semiconductor substrate by using a manufacturing process of a CMOS LSI used for driving a solar powered electronic appliance. A reference voltage from a solar cell is applied to a base of a first bipolar transistor, and bases of i-th (i.ltoreq.n) bipolar transistors are connected to emitters of (i-1)-th bipolar transistors, thereby providing a constant voltage circuit in the semiconductor substrate.

REFERENCES:
patent: 3523198 (1970-09-01), Keller
patent: 3995308 (1976-11-01), Weinstein
patent: 4295058 (1981-10-01), Lade et al.
patent: 4299024 (1981-11-01), Piotrowski

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