High-voltage-tolerant linear scale-down circuit using...

Details High-voltage-tolerant linear scale-down circuit using... High-voltage-tolerant linear scale-down circuit using...

2011-08-16

2011-08-16

Luu, An T (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

C327S403000, C327S099000, C326S080000

Reexamination Certificate

active

07999598

ABSTRACT:
A voltage scale down circuit includes an input node configured to receive a voltage input within an input voltage range. At least two voltage followers are coupled to the input node. The voltage scale down circuit also includes at least two scalers. Each scaler is coupled to a respective voltage follower. An output node is coupled to the at least two scalers. Each voltage follower is configured to receive the voltage input. Each voltage follower is configured to supply a respective voltage for the voltage input within a narrower portion of the input voltage range. The output node is configured to supply a voltage output linearly related to the voltage input. An output voltage range of the voltage output is narrower than the input voltage range.

REFERENCES:
patent: 5696430 (1997-12-01), Erdman et al.
patent: 7250891 (2007-07-01), Nishimura

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