Current sense amplifier with low, nonlinear input impedance and

Details Current sense amplifier with low, nonlinear input impedance and Current sense amplifier with low, nonlinear input impedance and

1988-09-30

1989-12-12

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330253, H03F 345

Patent

active

048870471

ABSTRACT:
A current sense amplifier includes first and second current mirrors cross-coupled to collectors of first and second transistors having a common base connection to a bias voltage circuit. First and second load devices are connected to the collectors of the first and second transistors, the emitters of which are connected to control transistors of the second and first current mirrors, respectively. The control transistors also receive first and second input currents, respectively. The collectors of the first and second transistors are connected to output terminals of the current sense amplifier.

REFERENCES:
patent: 3760194 (1973-09-01), Lutz et al.
patent: 3805093 (1974-04-01), Hodemaekers
patent: 3848139 (1974-11-01), Holt, Jr.
patent: 3931583 (1976-01-01), Gilbert
patent: 4163950 (1979-08-01), Damm et al.
patent: 4390848 (1983-06-01), Blauschild
patent: 4456887 (1984-06-01), Tokumo
patent: 4528517 (1985-07-01), Schlotzhauer
patent: 4553107 (1985-11-01), Ogawa

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