Niigata Seimitsu Co., Ltd Patent applications |
Patent application number | Title | Published |
20100117724 | FILTER CIRCUIT - A plurality of low-pass filters ( | 05-13-2010 |
20100001797 | DIFFERENTIAL AMPLIFIER - A differential amplifier circuit at the input stage is configured with a twin differential type having a first differential amplifier circuit ( | 01-07-2010 |
20090298454 | RECEIVER - By A/D converting a signal output from a mixer ( | 12-03-2009 |
20090268916 | FM TRANSMITTER - An FM transmitter improved in degree of freedom of selecting components. The FM transmitter comprises an oscillator | 10-29-2009 |
20090261905 | OPEN GAIN ADJUSTMENT CIRCUIT FOR OPERATIONAL AMPLIFIER - An operational amplifier comprises: a differential amplifier circuit ( | 10-22-2009 |
20090207952 | AUTOMATIC GAIN CONTROL CIRCUIT - There are provided an A/D converting circuit ( | 08-20-2009 |
20090128259 | AUTOMATIC REGULATOR OF FILTER - A second operational amplifier ( | 05-21-2009 |
20090128240 | OSCILLATOR, PLL CIRCUIT, RECEIVER AND TRANSMITTER - An oscillator, a PLL circuit, a receiver and a transmitter that allow the circuit scale to be reduced and that are suitable for integration. The electrostatic capacities of variable capacitance circuits | 05-21-2009 |
20090124228 | INTERMODULATION DISTURBANCE DETECTING UNIT - There are provided a notch filter | 05-14-2009 |
20090111416 | INTERMODULATION DISTURBANCE DETECTING CIRCUIT - There are provided a frequency converting circuit | 04-30-2009 |
20090103668 | AUTOMATIC GAIN CONTROL CIRCUIT - A first MOS transistor (M | 04-23-2009 |
20090085687 | MODULATING CIRCUIT - There are included a first quadrature modulation part ( | 04-02-2009 |
20090033434 | OSCILLATION CIRCUIT - A first switch (SW | 02-05-2009 |
20090028224 | SEMICONDUCTOR DEVICE - A semiconductor device capable of preventing degradation of signal quality due to inclusion of noise and reducing the circuit scale. The constitution of a transmitter/receiver for transmitting/receiving a signal is fabricated on a semiconductor substrate ( | 01-29-2009 |
20090027128 | VARIABLE GAIN AMPLIFIER - The present invention provides a variable gain amplifier including a plurality of initial-stage LNAs | 01-29-2009 |
20090011729 | FM TRANSMITTER - An FM transmitter which can be easily connected to an existing computer or the like and does not need any troublesome operation is provided. An FM transmitter | 01-08-2009 |