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Telecommunications > Receiver Or Analog Modulated Signal Frequency Converter > Frequency Modifying Or Conversion > Particular Frequency Conversion Structure Or Circuitry > Including Distributed Electrical Parameter Structure > With Balanced Mixer With Balanced MixerWith Balanced Mixer 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.11/16/06 - 20060258318 - Broadband balanced frequency converter A broadband balanced frequency converter (“BBFC”) in signal communication with a frequency source is disclosed. The BBFC may include a mixer and an active balancing element in signal communication with the mixer. ... 08/31/06 - 20060194560 - Dc offset calibration for a radio transceiver mixer A mixer for a radio transceiver includes a commutating mixer switch having a first differential input port coupled to a DC offset cancellation path. The first differential input port of the mixer switch includes a first terminal coupled to a first end of a first resistor and a second terminal ... 07/13/06 - 20060154640 - Image rejection mixer and terrestrial digital multimedia broadcasting tuner of low intermediate frequency structure using the same Disclosed herein are a terrestrial digital multimedia broadcasting (DMB) tuner of a low intermediate frequency (IF) structure which is applied to a mobile communication terminal, such as a mobile phone, and an image rejection mixer applied thereto. In order to improve inter-channel attenuation characteristics, the image rejection mixer locates an ... 06/29/06 - 20060141976 - Passive reflection mixer In one aspect, a mixer that provides improved isolation between an input oscillator and a mixing cell. In another aspect, a mixer that includes circuitry operative to shape an input signal provided by a local oscillator. ... 06/15/06 - 20060128344 - Balanced circuit arrangement and method for linearizing such an arrangement The present invention relates to a balanced circuit arrangement and methods for linearizing and calibrating such a circuit arrangement, wherein linearization is obtained by introducing a load imbalance between the output branches of the balanced circuit arrangement. Thus, a controllable extraneous imbalance is created between the output loads of the ... 06/08/06 - 20060121873 - Multi-channel radiometer imaging system and mmic chips for use thereof A MMIC includes at least one quadrature hybrid in a plurality of series connected amplifiers connected in two parallel gain stages and operatively connected to the at least one quadrature hybrid such that gain is equalized in the two parallel gain stages. ... 01/19/06 - 20060014515 - Dynamically matched mixer system with improved in-phase and quadrature (i/q) balance and second order intercept point (ip2) performance A dynamically matched mixer system (200) for use in a direct conversion radio frequency (RF) receiver includes a frequency generator (201, 203, 205) that includes plurality of dividers (407) for providing differential local oscillator reference sources (FLO+ and FLO−) and mitigation frequency reference sources (F1 and F2) from reference oscillator ... 12/08/05 - 20050272398 - Low voltage mixer A mixer comprising a pair of low frequency mixer inputs, a pair of high frequency mixer inputs, a pair of mixer outputs, four switching units, each switching unit comprising a low frequency switching unit input, a high frequency switching unit input, a switching unit output, a node connected via a ... 12/08/05 - 20050272397 - Mixer having dynamic biasing A mixer having dynamic biasing, comprises a mixer configured to receive a local oscillator (LO) reference signal and a radio frequency (RF) data signal, and a bias control circuit configured to reduce bias current from the mixer under a low power condition. ... 10/27/05 - 20050239430 - Harmonic suppression mixer and tuner A harmonic suppression mixer for down converting an RF signal to a complex I and Q baseband signal that uses a plurality of switching mixers each with a gain stage to produce a sinusoidal weighted sum of the mixer outputs. Odd harmonics output by each switching mixer is suppressed in ... 09/01/05 - 20050191985 - Diode ring configuration for harmonic diode mixers A sub-harmonic mixer having at least one diode ring array used for up-conversion in a transmitter and for down-conversion in a receiver. Each diode ring array has a plurality of (e.g., four) diode rings arranged in parallel. The diode ring array may be connected in parallel or series with the ... 08/11/05 - 20050176398 - Mixer circuit A mixer circuit mixes a target signal with a local oscillation signal to perform frequency conversion of the target signal. Since the mixer circuit uses a pseudo-sine wave as the local oscillation signal, it can carry out stable operation regardless of variations in the amplitude of the local oscillation signal. ... 07/21/05 - 20050159130 - Novel dc offset and ip2 correction for down-conversion mixer Mixers are provided. A mixer includes an output port, a local oscillation input port, a local mixing driving stage, a radio frequency (RF) input port, a RF driving stage, and first to fourth calibration units. The local oscillation input port comprises first and second local input terminals for receiving a ... 07/21/05 - 20050159129 - Image rejection mixer and multiband generator The present invention suppresses a harmonic component without impairing the phase orthogonality of a pair of complex signals. A polyphase filter is configured so that K pieces of filter circuits, each of which comprises a resistor and a capacitor, are connected and +360/K degrees out of phase with a preceding ... 06/16/05 - 20050130619 - Radio-frequency mixer arrangement The present invention relates to a radio-frequency mixer arrangement in which a differential amplifier is connected to an input on a multiplier. The differential amplifier is arranged together with at least one capacitance in the feedback path of an operational amplifier. The at least one capacitance performs the function of ... ### FreshPatents.com Support |