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Telecommunications > Receiver Or Analog Modulated Signal Frequency Converter > Frequency Modifying Or Conversion > Particular Frequency Conversion Structure Or Circuitry > Homodyne (i.e., Zero Beat Or Synchrodyne Reception) Homodyne (i.e., Zero Beat Or Synchrodyne Reception)Homodyne (i.e., Zero Beat Or Synchrodyne Reception) patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.02/15/07 - 20070037545 - Mixer for homodyne rf receiver A mixer of a homodyne RF receiver made from a CMOS process is provided. The mixer comprises a gain stage, a switch stage and a load stage. The gain stage receives a differential-typed RF signal and generating a first gained signal. The switch stage mixes the first gained signal and ... 01/25/07 - 20070021090 - Receiver for receiving frequency signals using delta-sigma modulators Receivers (1,11) for receiving radio frequency signals are provided with modulating stages (4,14) between mixing stages (3,13) and filtering stages (5,15) for deltasigma modulating intermediate frequency signals, to shape the quantisation noise out of the frequency band in which the wanted channel is located. Modulating stages (4,14) comprise delta-sigma modulators ... 01/04/07 - 20070004371 - Ic receiver to minimize tracking error A multi-band receiver in which characteristics including a tracking error are improved is provided with a variable frequency oscillator circuit, a variable divider circuit (39) for dividing an oscillation signal (SVCO) of the variable frequency oscillator circuit, and mixer circuits (15I) and (15Q) for subjecting a received signal SRX to ... 12/28/06 - 20060293018 - Rfid reader front end An RFID reader analog front end architecture employs multiplexed use of a single analog to digital converter in order to digitize the inphase and quadrature components of the incoming signal from the reader's receiving antenna. The Type 1 architecture includes an analog I/Q switch that controls which of the baseband ... 07/20/06 - 20060160519 - Direct-conversion receiver system and method, especially a gps receiver system with high pass filtering The invention relates to a direct conversion receiver and a method in a direct conversion receiver for processing received radio signals that are modulated and centered at a carrier frequency, the modulation extending a sideband above and below the carrier frequency. The method comprises the steps of mixing a local ... 07/13/06 - 20060154639 - Direct-conversion receiver system and method with quadrature balancing and dc offset removal A system and method are provided for direct-conversion of a modulated radio-frequency (RF) signal. After receiving an RF signal, the RF signal is mixed with a plurality of oscillator signals with different phases in an interleaving manner. ... 05/18/06 - 20060105735 - Method and system for compensation of dc offset in an rf receiver Aspects of compensating for DC offset in an RF receiver may comprise sampling data from at least one of a plurality of output paths, selecting a sampled data and generating at least one feedback signal based on the selected sampled data. The generated feedback signal may be fed back to ... 05/04/06 - 20060094392 - Backscatter receiver maintaining sensitivity with varying power levels A method and apparatus for maintaining sensitivity of a homodyne receiver over varying transmitter power levels is disclosed. The method includes adjusting output power levels of a transmitter driver. A bias supply voltage to the transmitter driver may be adjusted to adjust the output power levels. A control voltage to ... 03/30/06 - 20060068747 - Wireless device minimizing use of external bandpass filter between low-noise amplifier and first mixer A receiver system design and architecture that implements a 3-step gain LNA and an analog VGA for a WCDMA handsets and local area base stations, providing a wireless device eliminating the use of external bandpass filter between low-noise amplifier and first mixer. ... 01/19/06 - 20060014514 - Self-biased high-speed receiver A self-biased high-speed receiver is described. The receiver is powered by one power supply with the core operation voltage and one power supply with the IO operation voltage. The receiver is self-biased to provide a stable bias voltage. A reference voltage and an IO signal are applied on the receiver ... 10/06/05 - 20050221786 - Radio communication device A radio communication device includes: a local oscillator; an amplifier amplifying an output signal of the local oscillator and outputting a local oscillation frequency and a harmonic wave component thereof; and a harmonic mixer receiving an output signal of the amplifier and an information signal, and generating an up-converted signal ... 07/14/05 - 20050153676 - Method and apparatus for minimizing baseband offset error in a receiver An adaptive dc compensation technique (100) eliminates dc error for both digital and constant envelope modulation protocols (108). For analog modulation, a dc averaging technique utilizes piece-wise continuous dc averaging (110) that calculates discrete dc error values over a variable number of samples (112) and updates the dc compensation value ... ### FreshPatents.com Support |