EP 0842461 A1 19980520 - CIRCUITRY FOR SUPPLYING THE BASE BIAS VOLTAGE OF CURRENT SOURCE TRANSISTORS IN BIPOLAR IC CIRCUITS
Title (en)
CIRCUITRY FOR SUPPLYING THE BASE BIAS VOLTAGE OF CURRENT SOURCE TRANSISTORS IN BIPOLAR IC CIRCUITS
Title (de)
SCHALTUNGSANORDNUNG ZUR BASISVORSPANNUNGSVERSORGUNG VON STROMQUELLENTRANSISTOREN IN BIPOLAR-IC-SCHALTUNGEN
Title (fr)
CIRCUITS D'ALIMENTATION EN TENSION DE POLARISATION DE TRANSISTORS SOURCES DE COURANT DANS DES CIRCUITS INTEGRES BIPOLAIRES
Publication
Application
Priority
- DE 9601364 W 19960724
- DE 19528209 A 19950801
Abstract (en)
[origin: WO9705537A1] In order to supply the base bias voltage of bipolar IC current source transistors with a band gap reference circuit that supplies a temperature-dependent and resistance tolerance-dependent base bias voltage so that the current supplied by the current source transistors causes a constant voltage drop in the load resistances through which the current flows, the base bias voltage is supplied by a distributor circuit connected downstream of the load resistances and having an input stage, an output driver and an intermediate inverter composed of a first transistor, a first resistance, a second transistor and a second resistance mounted in series and connected to the supply voltage. In order to supply the base bias voltage to current source transistors having another type of resistance than that for which the band gap reference circuit is designed, the corresponding distributor or converter circuit has a second resistance of the same type as that of the resistance for which the band gap reference circuit is designed, and a first resistance composed of a resistance of this same type connected in series to the other type of resistance.
IPC 1-7
IPC 8 full level
CPC (source: EP)
G05F 3/227 (2013.01); G05F 3/30 (2013.01)
Citation (search report)
See references of WO 9705537A1
Designated contracting state (EPC)
AT BE CH DE ES FR GB IT LI SE
DOCDB simple family (publication)
WO 9705537 A1 19970213; AT E180067 T1 19990515; CA 2228387 A1 19970213; DE 19528209 C1 19960829; DE 59601894 D1 19990617; EP 0842461 A1 19980520; EP 0842461 B1 19990512; ES 2134629 T3 19991001
DOCDB simple family (application)
DE 9601364 W 19960724; AT 96924768 T 19960724; CA 2228387 A 19960724; DE 19528209 A 19950801; DE 59601894 T 19960724; EP 96924768 A 19960724; ES 96924768 T 19960724