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Class Information
Number: 455/326
Name: 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
Description: Systems including two or more identical frequency conversion devices arranged in conjugate relationship about a neutral or grounded point, the output of the system comprising a linear combination of the separate input signals.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7616937 |
Subharmonic mixer capable of reducing noise and enhancing gain and linearlty |
Nov. 10, 2009 |
| 7616938 |
Mixer offset cancellation without generating I/Q imbalance |
Nov. 10, 2009 |
| 7616045 |
Mixer with balanced local oscillator signal |
Nov. 10, 2009 |
| 7613440 |
Mixer circuit |
Nov. 3, 2009 |
| 7606551 |
Mixer circuit with balanced frequency mixer with varactor diodes |
Oct. 20, 2009 |
| 7606550 |
Method and system for a dual mode receiver with low intermediate frequency (IF) and zero second IF |
Oct. 20, 2009 |
| 7596362 |
DC offset calibration for a radio transceiver mixer |
Sep. 29, 2009 |
| 7587192 |
Balanced mixer with calibration of load impedances |
Sep. 8, 2009 |
| 7587224 |
Reconfigurable topology for receiver front ends |
Sep. 8, 2009 |
| 7580680 |
Method of reducing imbalance in a quadrature frequency converter, method of measuring imbalance in such a converter, and apparatus for performing such method |
Aug. 25, 2009 |
| 7580693 |
Passive reflection mixer |
Aug. 25, 2009 |
| 7577416 |
Single balanced mixer |
Aug. 18, 2009 |
| 7577418 |
Sub-harmonic mixer and down converter with the same |
Aug. 18, 2009 |
| 7574190 |
Signal-processing electronics |
Aug. 11, 2009 |
| 7570936 |
Sub-harmonically pumped mixer |
Aug. 4, 2009 |
| 7567789 |
Method and device for generating two signals in phase quadrature for a frequency transposition in a cellular mobile telephone |
Jul. 28, 2009 |
| 7565128 |
High performance low noise amplifier |
Jul. 21, 2009 |
| 7558351 |
Super harmonic filter and method of filtering frequency components from a signal |
Jul. 7, 2009 |
| 7555263 |
Adaptive radio transceiver |
Jun. 30, 2009 |
| 7555280 |
Apparatus for frequency direct conversion reception in mobile communication terminal and method thereof |
Jun. 30, 2009 |
| 7551891 |
Method for detecting UWB pulse sequences without local pulse generation |
Jun. 23, 2009 |
| 7522903 |
Three-phase mixer-system |
Apr. 21, 2009 |
| 7509110 |
High-order harmonic rejection mixer using multiple LO phases |
Mar. 24, 2009 |
| 7509111 |
Integrated circuit having a mixer circuit |
Mar. 24, 2009 |
| 7496343 |
Programmable mixer for reducing local oscillator feedthrough and radio applications thereof |
Feb. 24, 2009 |
| 7493095 |
PMA RX in coarse loop for high speed sampling |
Feb. 17, 2009 |
| 7471134 |
Mixer with clock resynchronization and method therefor |
Dec. 30, 2008 |
| 7457605 |
Low noise image reject mixer and method therefor |
Nov. 25, 2008 |
| 7457606 |
Mixer circuit for direct conversion transceiver with improved IP2 |
Nov. 25, 2008 |
| 7449974 |
On-chip balun and transceiver using the same and method for fabricating on-chip balun |
Nov. 11, 2008 |
| 7446590 |
Low noise mixer with reduced distortion |
Nov. 4, 2008 |
| 7440742 |
Mixer gain calibration method and apparatus |
Oct. 21, 2008 |
| 7417486 |
Voltage-current conversion circuit, amplifier, mixer circuit, and mobile appliance using the circuit |
Aug. 26, 2008 |
| 7418250 |
Quadrature mixer circuits and mobile terminal using the same |
Aug. 26, 2008 |
| 7415257 |
Dual-band mixer and its design flow |
Aug. 19, 2008 |
| 7395044 |
Signal processing apparatus and method of differential transformer |
Jul. 1, 2008 |
| 7392033 |
Reducing active mixer flicker noise |
Jun. 24, 2008 |
| 7383034 |
Frequency conversion circuit, modulation circuit, polar modulation transmitting circuit, quadrature modulation transmitting circuit, communication instrument, and frequency conversion method |
Jun. 3, 2008 |
| 7379727 |
RF front-end receiver |
May. 27, 2008 |
| 7369096 |
Impedance matched passive radio frequency transmit/receive switch |
May. 6, 2008 |
| 7369835 |
Image rejection mixer providing precision image rejection |
May. 6, 2008 |
| 7369837 |
Frequency-mixing method and frequency-mixing device using the same |
May. 6, 2008 |
| 7355466 |
Passive mixer with direct current bias |
Apr. 8, 2008 |
| 7356317 |
Adaptive-biased mixer |
Apr. 8, 2008 |
| 7342432 |
Mixer circuit having improved linearity and noise figure |
Mar. 11, 2008 |
| 7336940 |
Frequency conversion techniques using antiphase mixing |
Feb. 26, 2008 |
| 7324791 |
Low-noise differential bias circuit and differential signal processing apparatus |
Jan. 29, 2008 |
| 7324796 |
Low temperature co-fired ceramic sub-harmonic mixer |
Jan. 29, 2008 |
| 7308244 |
Low voltage mixer |
Dec. 11, 2007 |
| 7305217 |
Low cost planar double balanced mixer |
Dec. 4, 2007 |
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