Level shifter/amplifier circuit

Details Level shifter/amplifier circuit Level shifter/amplifier circuit

1998-12-15

2000-06-27

Berhane, Adolf Deneke

Electricity: power supply or regulation systems

Self-regulating

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

323314, 327108, G05F 320, G06F 326

Patent

active

060811080

ABSTRACT:
The invention is a circuit for converting a voltage which is the difference between a supply voltage voltage V.sub.cc and input voltage V.sub.in, to a voltage which is the difference between an output voltage V.sub.out and a reference Gnd, comprising. A first resistor R.sub.1 for producing a voltage V.sub.In-mirror is used in conjunction with V.sub.cc. V.sub.In-mirror is a mirror value of V.sub.in. A second resistor R.sub.2 is used, across which, the output or concerted voltage V.sub.out is produced. A first mirror circuit cascoded with a second mirror circuit, is connected between the first resistor R.sub.1 and the second resistor R.sub.2 for producing currents in the first and second resistors to provide output voltage V.sub.out across R.sub.2.

REFERENCES:
patent: 4525663 (1985-06-01), Henry
patent: 4663701 (1987-05-01), Stotts
patent: 5686824 (1997-11-01), Rapp
patent: 5694031 (1997-12-01), Stanojevic

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