Patents Assigned to SANYO SEMICONDUCTOR CO., LTD., Joint-stock company of Japan
  • VARIABLE GAIN AMPLIFIER CIRCUIT
    Publication number: 20110260789
    Abstract: A variable gain amplifier circuit includes: an operational amplifier having a non-inverting input terminal applied with a predetermined voltage; a feedback resistor having one end connected to an inverting input terminal of the operational amplifier and the other end connected to an output terminal of the operational amplifier; and a variable resistor having one end applied with an input voltage and the other end connected to the inverting input terminal of the operational amplifier.
    Type: Application
    Filed: October 21, 2010
    Publication date: October 27, 2011
    Applicants: SANYO SEMICONDUCTOR CO., LTD., Joint-stock company of Japan, SANYO ELECTRIC CO., LTD., Joint-stock company of Japan
    Inventors: Takahiro Kawashima, Rui Kurihara