H - Electricity – 03 – K
Patent
H - Electricity
03
K
328/202, 323/4
H03K 17/687 (2006.01) G05F 3/02 (2006.01) G05F 3/26 (2006.01)
Patent
CA 1173501
PHN 9688 15 ABSTRACT: A current stabilizer equipped with field-effect transistors of the enhancement type. The stabilizer has two parallel current paths which are coupled by means of two different current coupling circuits in order to obtain a stabilizing point. At least one of the two coupling circuits comprises two field-effect transistors which are each included in one of the two current paths. One of said field-effect transistors has a gate-source voltage which is a constant fraction of the gate-source voltage of the other transistor, which is achieved in that in series with said one transistor there is included a third field-effect transistor with interconnected gate and drain electrodes, so that the other one of said two transistors has a gate-source voltage which is twice as high as that of the said one transistor. The other cur- rent coupling circuit is of the opposite conductivity type and may be a current mirror, but it may also be con- stituted by the complementary version of the one current coupling circuit.
372828
Koninklijke Philips Electronics N.v.
Van Steinburg C.e.
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