Circuit and method for setting the operation point of a BGR...

Details Circuit and method for setting the operation point of a BGR... Circuit and method for setting the operation point of a BGR...

2006-01-31

2006-01-31

Berhane, Adolf (Department: 2838)

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

Reexamination Certificate

active

06992472

ABSTRACT:
A circuit for setting the operating point of a BGR circuit is disclosed. In the circuit, a voltage comparator (P5, P6, I3) compares the output voltage of an operational amplifier of the BGR circuit with the voltage dropping across an auxiliary circuit branch (R5, D3). The auxiliary circuit branch (R5, D3) resembles the arrangement of a circuit branch (R3, D1) of the BGR circuit, and a current source (P8) generates as a function of the result of the comparison a setting current that is fed into an input of the operational amplifier.

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