Differential amplifier with improved dynamic range

Details Differential amplifier with improved dynamic range Differential amplifier with improved dynamic range

1984-10-18

1986-07-15

LaRoche, Eugene R.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330257, 330261, H03F 345

Patent

active

046008934

ABSTRACT:
A differential amplifier has first and second transistors whose bases respectively receive first and second voltage signals. The collectors of the first and second npn transistors are commonly connected to a power source terminal respectively through resistors. The emitters of the first and second npn transistors are grounded through a constant current source. The differential amplifier further has first and second pnp transistors in a common-base configuration. The collectors of the first and second npn transistors are connected to the emitters of the first and second pnp transistors.

REFERENCES:
patent: 3649926 (1972-03-01), Hill
patent: 3828268 (1974-08-01), Nishio
patent: 4146844 (1979-03-01), Quinn
patent: 4511852 (1985-04-01), Henrich et al.
Harris Analog Data Sheet, published by JMC, Aug. 1981.

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