Low voltage and low power detector circuits

Details Low voltage and low power detector circuits Low voltage and low power detector circuits

1986-09-17

1989-11-21

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

3072963, 3072964, 3072966, 307494, 307455, 307467, 307475, 307362, 307360, 375 71, H03K 301, H03K 19086, H03K 19092, G06G 712

Patent

active

048825069

ABSTRACT:
Low voltage and low power circuits for use in a subscriber power controller includes a low voltage detection circuit for generating a first output signal switching between ECL logic levels and a low power detection circuit for generating a second output signal switching between a high voltage level and a low voltage level. The low voltage detection circuit is formed of a first comparator with hysteresis and a first output stage. The low power detection circuit is formed of a second comparator with hysteresis and a second output stage. The first output signal is used to disable the controller upon detection of a low voltage at the primary input signal voltage. The second output signal is used to inform a microprocessor so as to permit it to disable all high power functions in order to conserve power.

REFERENCES:
patent: 4709202 (1987-11-01), Koenck et al.
patent: 4716354 (1987-12-01), Hacker

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