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Class Information
Number: 455/76
Name: Telecommunications > Transmitter and receiver at same station (e.g., transceiver) > With frequency stabilization (e.g., automatic frequency control) > Synthesizer
Description: Subject matter in which a single stable oscillator is used as a source of one or more frequencies derived therefrom by frequency multiplication or division.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7433653 |
Transmitter and semiconductor integrated circuit for communication |
Oct. 7, 2008 |
| 7424271 |
Multi-mode and multi-band RF transceiver and related communications method |
Sep. 9, 2008 |
| 7424280 |
Frequency synthesizer and frequency synthesis method |
Sep. 9, 2008 |
| 7415247 |
Method and arrangement for transmitting and receiving RF signals through various radio interfaces of communication systems |
Aug. 19, 2008 |
| 7409190 |
Radio-frequency circuit module and radio communication apparatus |
Aug. 5, 2008 |
| 7406297 |
Clock generation circuit and semiconductor device provided therewith |
Jul. 29, 2008 |
| 7389087 |
Adaptive radio transceiver with filtering |
Jun. 17, 2008 |
| 7376396 |
Ratiometric transmit path architecture for communication systems |
May. 20, 2008 |
| 7376399 |
Weighted mixing circuitry for quadrature processing in communication systems |
May. 20, 2008 |
| 7359684 |
Wireless communication system with variable intermediate frequency transmitter |
Apr. 15, 2008 |
| 7356312 |
Fractional frequency synthesizer |
Apr. 8, 2008 |
| 7356310 |
Adaptive radio transceiver with floating MOSFET capacitors |
Apr. 8, 2008 |
| 7349672 |
Digital signal transceiver |
Mar. 25, 2008 |
| 7349673 |
Adaptive radio transceiver with an antenna matching circuit |
Mar. 25, 2008 |
| 7345543 |
Fast transconductance amplifier |
Mar. 18, 2008 |
| 7340220 |
Phase locked loop with power distribution |
Mar. 4, 2008 |
| 7324795 |
Method of controlling phase locked loop in mobile station, and mobile station |
Jan. 29, 2008 |
| 7324788 |
RF integrated circuit comprising a frequency synthesizer not very sensitive to injection locking |
Jan. 29, 2008 |
| 7324789 |
PLL frequency synthesizer architecture for low phase noise and reference spurs |
Jan. 29, 2008 |
| 7315732 |
Method for frequency conversion and receiver |
Jan. 1, 2008 |
| 7313369 |
Communication semiconductor integrated circuit and radio communication system |
Dec. 25, 2007 |
| 7302237 |
Wideband signal generators, measurement devices, methods of signal generation, and methods of signal analysis |
Nov. 27, 2007 |
| 7280812 |
Digital baseband receiver with DC discharge and gain control circuits |
Oct. 9, 2007 |
| 7271678 |
Apparatus and method for generating frequencies |
Sep. 18, 2007 |
| 7272170 |
Single oscillator transceiver |
Sep. 18, 2007 |
| 7263334 |
Directional coupler for use in VCO unequal power splitting |
Aug. 28, 2007 |
| 7259716 |
Quadrature mixture LO suppression via DSW DAC noise dither |
Aug. 21, 2007 |
| 7257380 |
Integrated multimode radio and components thereof |
Aug. 14, 2007 |
| 7254164 |
Method for transconductance linearization for DC-coupled applications |
Aug. 7, 2007 |
| 7241630 |
Paramagnetic particle detection |
Jul. 10, 2007 |
| 7242912 |
Partitioning of radio-frequency apparatus |
Jul. 10, 2007 |
| 7236758 |
Integrated wireless multimedia integrated circuit |
Jun. 26, 2007 |
| 7233774 |
RF transceiver with compact stacked mixer design for multiple frequency conversion |
Jun. 19, 2007 |
| 7233772 |
Adaptive radio transceiver with filtering |
Jun. 19, 2007 |
| 7228117 |
Frequency correction method and apparatus for correcting secular change |
Jun. 5, 2007 |
| 7224952 |
Charge pump having sampling point adjustment |
May. 29, 2007 |
| 7221920 |
Voltage controlled oscillator, frequency synthesizer and communication apparatus |
May. 22, 2007 |
| 7221921 |
Partitioning of radio-frequency apparatus |
May. 22, 2007 |
| 7215931 |
Method and apparatus for up-and-down-conversion of radio frequency (RF) signals |
May. 8, 2007 |
| 7205850 |
Communication semiconductor integrated circuit device and a wireless communication system |
Apr. 17, 2007 |
| 7200364 |
Frequency modification circuitry for use in radio-frequency communication apparatus and associated methods |
Apr. 3, 2007 |
| 7197283 |
Dynamic frequency synthesizer configuration |
Mar. 27, 2007 |
| 7181181 |
Multi-band transceiver for a wireless communication system |
Feb. 20, 2007 |
| 7181180 |
Sigma delta modulated phase lock loop with phase interpolation |
Feb. 20, 2007 |
| 7177611 |
Hybrid control of phase locked loops |
Feb. 13, 2007 |
| 7174136 |
Direct conversion radio transceiver |
Feb. 6, 2007 |
| 7171183 |
Linearized fractional-N synthesizer having a current offset charge pump |
Jan. 30, 2007 |
| 7171193 |
Telecommunications interruption and disconnection apparatus and methods |
Jan. 30, 2007 |
| 7167685 |
Frequency division |
Jan. 23, 2007 |
| 7164900 |
Impulse waveform generating apparatus |
Jan. 16, 2007 |
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