High precision voltage-to-current converter, particularly for lo

Electricity: power supply or regulation systems – Self-regulating – Using a three or more terminal semiconductive device as the...

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330252, H03F 326, H03F 345

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046478396

ABSTRACT:
The common terminals of the two opposite transistors of a differential stage with an input signal represented by the voltage applied between the bases of the two transistors are connected to ground through two further transistors controlled by the current which passes through the above-mentioned transistors. The output signal is represented by the current which passes through one of said further transistors.

REFERENCES:
patent: 4390848 (1983-06-01), Blauschild
patent: 4410858 (1983-10-01), Kusakabe
patent: 4456887 (1984-06-01), Tokumo
patent: 4464632 (1984-08-01), Yoshihisa et al.
patent: 4490685 (1984-12-01), Sano
Hellwarth, "Electrical Amplifier with Input Bias Network", IBM Tech. Disclosure Bulletin, v14, No. 3, Aug. 71, p. 966.
Hellwarth et al., "Ultrahigh Resistance Current Source . . . ", IBM Tech. Disclosure Bulletin, v16, No. 7, Dec. 73, pp. 2092-2093.

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