US Patent Issued to Synaptics on Oct. 28 for "Current source circuits tolerant of transistor characteristics variations" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,455,586, issued on Oct. 28, was assigned to Synaptics Inc. (San Jose, Calif.).

"Current source circuits tolerant of transistor characteristics variations" was invented by Yutaka Saeki (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A current source circuit includes a plurality of current generation subcircuits and an operational amplifier. Each of the plurality of current generation subcircuits includes an output transistor having a drain through which an output constant current is generated, a resistor coupled between a first constant voltage node and a source of the output transistor, and a storage capacitor coupled between the first c...