Variable temperature coefficient level shifting circuit and meth

Electricity: power supply or regulation systems – Self-regulating – Using a three or more terminal semiconductive device as the...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

307475, 323907, G05F 308

Patent

active

044608659

ABSTRACT:
A variable temperature coefficient level shifter includes a circuit which generates a voltage V.sub.BE having a negative temperature coefficient and a voltage .DELTA.V.sub.BE having a positive temperature coefficient. A control current is generated by placing a first resistor between V.sub.BE and ground and a second resistor between .DELTA.V.sub.BE and ground. Each of these currents forms a component of the control current which then has some net temperature coefficient. By properly scaling the resistors the control current may have any desired temperature coefficient between 2800 ppm and 3000 ppm. Once the temperature coefficient is set, a third resistor is provided through which the control current flows. The amplitude of the shift is then selected by selecting the value of resistor R.sub.S.

REFERENCES:
patent: Re30586 (1981-04-01), Brokaw
patent: 3781648 (1973-12-01), Owens
patent: 4079308 (1978-03-01), Brown
patent: 4287439 (1981-09-01), Leuschner
patent: 4325017 (1982-04-01), Schade
patent: 4325018 (1982-04-01), Schade

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Variable temperature coefficient level shifting circuit and meth does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Variable temperature coefficient level shifting circuit and meth, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Variable temperature coefficient level shifting circuit and meth will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1493378

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.