TREA

Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties

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Industry

  • CPC
  • G05F3/00
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Parent Industries

GPHYSICS G05Controlling systems G05FSYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES

Current Industry

G05F3/00Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties

Sub Industries

G05F3/02Regulating voltage or current G05F3/04wherein the variable is ac G05F3/06using combinations of saturated and unsaturated inductive devices G05F3/08wherein the variable is dc G05F3/10using uncontrolled devices with non-linear characteristics G05F3/12being glow discharge tubes G05F3/16being semiconductor devices G05F3/18using Zener diodes G05F3/185and field-effect transistors G05F3/20using diode- transistor combinations G05F3/205Substrate bias-voltage generators G05F3/22wherein the transistors are of the bipolar type only G05F3/222with compensation for device parameters G05F3/225producing a current or voltage as a predetermined function of the temperature G05F3/227producing a current or voltage as a predetermined function of the supply voltage G05F3/24wherein the transistors are of the field-effect type only G05F3/242with compensation for device parameters G05F3/245producing a voltage or current as a predetermined function of the temperature G05F3/247producing a voltage or current as a predetermined function of the supply voltage G05F3/26Current mirrors G05F3/262using field-effect transistors only G05F3/265using bipolar transistors only G05F3/267using both bipolar and field-effect technology G05F3/30Regulators using the difference between the base-emitter voltages of two bipolar transistors operating at different current densities
Industries