Integrated circuit having programmable bias circuits

Details Integrated circuit having programmable bias circuits Integrated circuit having programmable bias circuits

1997-05-29

1999-11-16

Tran, Toan

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327538, G05F 110

Patent

active

059864966

ABSTRACT:
The present invention utilizes the integrated circuit manufacturing process to produce integrated circuits including bias circuits which implement active devices having uniform gain and gate threshold characteristics. The uniformity of these active devices increases when they are tightly clustered in an integrated circuit chip. Precise linear control of constant current output to a load is realized by maintaining a gate voltage in the linear operating region for a plurality of similarly configured, uniformly fabricated and doped current mirrors.

REFERENCES:
patent: 5059890 (1991-10-01), Yoshikawa et al.
patent: 5276359 (1994-01-01), Chiang
patent: 5319704 (1994-06-01), Robison

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