Differential amplifier
AssigneeSiemens Aktiengesellschaft
InventorGerold Schrittesser
Life of this patent
Estimating the term…
Abstract
A differential amplifier includes two differential amplifier stages each having an input side with two complementary inputs and an output side with at least one output. The stages are connected parallel to one another on the input and output sides. The stages each include a source-coupled transistor pair. One of the transistor pairs has two depletion MOS field effect transistors of a given conduction type and the other of the transistor pairs has two enhancement MOS field effect transistors of the given conduction type. Current sources each supply a respective one of the transistor pairs.
Claims8
A differential amplifier, comprising:
- two differential amplifier stages each having an input side with two complementary inputs and an output side with at least one output, said stages being connected parallel to one another on said input and output sides, said stages each including a source-coupled transistor pair, one of said transistor pairs having two depletion MOS field effect transistors of a given conduction type, the other of said transistor pairs having two enhancement MOS field effect transistors of said given conduction type, and a plurality of current sources each supplying a respective one of said transistor pairs.
Dependencies are inferred from the claim text.