Power supply intercept with reference output

Details Power supply intercept with reference output Power supply intercept with reference output

1988-12-09

1991-01-29

Olms, Douglas W.

Telecommunications

Transmitter

Power control, power supply, or bias voltage supply

455343, 34082544, H04B 1034, H04B 116

Patent

active

049892614

ABSTRACT:
In a battery-powdered system, a first integrated circuit provides a secondary power supply to a second integrated circuit, and also provides data signals in a serial protocol. The first integrated circuit steps down the secondary power supply when the reset-bar signal is being driven high. The second chip goes active whenever its reset-bar input exceeds its battery-voltage input.

REFERENCES:
patent: 4583195 (1986-04-01), Daniels et al.
patent: 4602253 (1986-07-01), Kreft
patent: 4636741 (1987-01-01), Mitzlaff
patent: 4777488 (1988-10-01), Carlman, Jr. et al.
patent: 4800434 (1989-01-01), Sugai et al.
Bursky, "Talking Over RF Links, Micropower ICs Transfer Data and Status", in Aug. 25, 1988 issue of Electronics Design.

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