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Telecommunications > Receiver Or Analog Modulated Signal Frequency Converter > With Particular Receiver Circuit With Particular Receiver CircuitWith Particular Receiver Circuit 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 - 20070037546 - Superheterodyne receiver having at least one downconversion stage empolying a single image reject filter stage and both low-side injection and high-side injection of a local oscillator signal A multi-channel superheterodyne receiver employs a low intermediate frequency (IF) and both high-side injection and low-side injection of a selected local oscillator (LO) signal into the mixer in order to position image frequencies outside the passband of a single image reject filter. Any channel that falls within a used portion ... 12/28/06 - 20060293020 - Radio frequency receiver including a limiter and related methods A radio frequency (RF) receiver system includes an antenna element, a receiver circuit, and an RF signal path connecting the antenna element to the receiver circuit. A limiter may be connected to the RF signal path and include a positive voltage clamp for clamping the RF signal path to a ... 11/16/06 - 20060258320 - Signal detector The present invention relates to a signal detector, which discerns the presence of signals in a circumscribed area, and a warning is given if a signal is detected. The signal detector adjusts its conditions for the background noise elimination depending on the detected environments in order to discern the presence ... 11/09/06 - 20060252403 - Multi-mode receiver for a wireless communication system A receiver is provided for a wireless communication system that is operable in at least a first mode of communication and a second mode of communication. The receiver includes an antenna for receiving a communication signal, a BAW resonator for receiving an RF signal provided at an output of the ... 10/26/06 - 20060240796 - System for processing signals received and transmitted by a radiocommunication apparatus comprising two modules, and corresponding module and device A system for processing signals received and transmitted by a radiocommunication apparatus comprising two modules and to the corresponding module and device. The system includes signal-processing means distributed between two different modules and each of said modules comprises at least two components on a substrate in a case which is ... 08/31/06 - 20060194562 - Satellite receiver system An SDARS receiver for use with at least two antennae, each of which receives bitstreams from a first satellite, bitstreams from a second satellite, and bitstreams from a terrestrial repeater, including demodulators configured to switch between demodulating bitstreams from the satellites and to switch between demodulating bitstreams from the terrestrial ... 06/22/06 - 20060135112 - Receiver AM receiver 20 is provided with antenna 1, RF amplifier 2, I/Q mixer 3, VCO 4, impulse noise detector 5, interpolator 6, BPF 7, IF amplifier 8 and AM detector 9. I/Q mixer 3 is composed of I mixer 11a as an in-phase mixer and Q mixer 11b as an ... 06/22/06 - 20060135111 - Radio receiver dc offset cancellation via adc input bias A scaled input current is produced that substantially matches the full scale input of a CTΔΣADC that substantially cancels an offset bias current component of the input current. A bias resistance value is coupled between the integrator input and one of a supply voltage and a circuit common. Generally, the ... 05/25/06 - 20060111074 - Hybrid heterodyne transmitters and receivers Disclosed are hybrid heterodyne transmitters and receivers for use in communications systems, or other systems, and the corresponding methods for hybrid heterodyne transmitting and receiving. A heterodyne receiver for converting a continuous time modulated signal to a discrete time digital baseband signal includes a sigma-delta modulator. The sigma-delta modulator is ... 04/20/06 - 20060084406 - Systems and methods for increasing bandwidth of wireless communications An improved radio transmitter encodes at least one data bit on each cycle of a carrier signal. The data is encoded on the carrier signal using phase modulation. Because at least one data bit is encoded on each cycle of the carrier signal, a carrier signal having a frequency (f) ... 03/16/06 - 20060058001 - Radio receiver By enabling analogue-to-digital conversion and channel filtering to be performed at low-IF on non-complex signals, use of just two non-complex ADCs (120,1620) is possible, thereby avoiding duplication of circuitry and providing significant power savings. ... 12/15/05 - 20050277401 - Heterodyne receiver and communication system The heterodyne receiver includes an antenna, a local oscillator, a mixer mixing a signal received by the antenna with a local oscillation signal generated by the local oscillator to produce an IF signal, and a demodulator demodulating the IF signal. The local oscillator is configured to set a frequency of ... 10/27/05 - 20050239432 - Ultra-wideband signal receiver using frequency sub-bands A signal receiver suitable for digitising a signal having a wide bandwidth comprises a filter bank (30) for dividing a received signal into a plurality of frequency sub-bands, means (41-45) for digitising each sub-band using a low sample rate, means (51) for transforming each digitised sub-band signals into the frequency ... 08/25/05 - 20050186935 - Wireless receiving circuit and wireless portable device A wireless receiving circuit includes a mixer, a buffer, an active low-pass filter, and a second order passive low-pass filter which are connected between a signal input terminal and a signal output terminal. The second order passive low-pass filter is for removing an interfering wave that cannot be removed by ... 06/30/05 - 20050143044 - Circuit for reducing second order intermodulation A circuit for calibrating a second order intercept point (IP2) and for reducing second order intermodulation (IM2) includes a common mode feedback circuit and a load impedance operatively connected between first and second output terminals of a mixer in a direct conversion receiver. The common mode feedback circuit reduces second ... 06/30/05 - 20050143043 - Chopped intermediate frequency wireless receiver A chopped intermediate frequency (IF) wireless receiver is disclosed. The wireless receiver includes a local oscillator (LO), a first and a second mixers, an LO frequency control module, an IF filter, a digital down converter and a down conversion controller. The LO provides a local oscillating signal to the first ... 06/23/05 - 20050136880 - Rf transmitter and receiver front-end A radio frequency receiver front-end includes a low noise amplifier, a mixing stage, and a selectable channel filter. The low noise amplifier is operably coupled to amplify inbound RF signals to produce amplified inbound RF signals. The mixing stage is operably coupled to mix amplified inbound RF signals with a ... ### FreshPatents.com Support |