| |
 |
|
Class Information
Number: 331/105
Name: Oscillators > With parasitic oscillation control or prevention means
Description: Subject matter wherein the oscillator, when in operation, generates or tends to generate undesired spurious oscillations and wherein means are provided in the oscillator circuit to suppress, control or prevent the generation of such undesired oscillations.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7365610 |
Push compensation in an oscillator |
Apr. 29, 2008 |
| 7307484 |
Semiconductor integrated circuit device with noise reduction function |
Dec. 11, 2007 |
| 7253693 |
Method and apparatus for noise compensation in an oscillator circuit |
Aug. 7, 2007 |
| 7209010 |
Oscillator with tunable diffusion capacitance as resonant circuit capacitance |
Apr. 24, 2007 |
| 7173498 |
Reducing the coupling between LC-oscillator-based phase-locked loops in flip-chip ASICs |
Feb. 6, 2007 |
| 7132896 |
Circuit for minimizing filter capacitance leakage induced jitter in phase locked loops (PPLs) |
Nov. 7, 2006 |
| 7067842 |
Method and apparatus for monitoring parasitic inductance |
Jun. 27, 2006 |
| 6927640 |
Apparatus and method for reducing phase noise in oscillator circuits |
Aug. 9, 2005 |
| 6798304 |
Apparatus and method for reducing phase noise in oscillator circuits |
Sep. 28, 2004 |
| 6639478 |
Apparatus and method for reducing phase noise in oscillator circuits |
Oct. 28, 2003 |
| 6639476 |
Correlator stabilized digitally tuned oscillator synthesizer |
Oct. 28, 2003 |
| 6611179 |
Voltage-controlled oscillator and communication apparatus incorporating the same |
Aug. 26, 2003 |
| 6525617 |
Buffering for LC-based stage |
Feb. 25, 2003 |
| 6507248 |
Voltage-controlled crystal oscillator |
Jan. 14, 2003 |
| 6437651 |
Oscillating circuit |
Aug. 20, 2002 |
| 6437652 |
Apparatus and method for reducing phase noise in oscillator circuits |
Aug. 20, 2002 |
| 6215367 |
Circuit for avoiding parasitic oscillation modes in an oscillator resonant circuit |
Apr. 10, 2001 |
| 6140882 |
Phase lock loop enabling smooth loop bandwidth switching |
Oct. 31, 2000 |
| 6124766 |
Frequency converter circuit for cable modem tuner |
Sep. 26, 2000 |
| 6107892 |
Method for reduction of phase noise in microwave voltage-controlled oscillators |
Aug. 22, 2000 |
| 6091309 |
Tunable low noise oscillator using delay lines and ring mode trap filter |
Jul. 18, 2000 |
| 6046647 |
Voltage-controlled oscillator |
Apr. 4, 2000 |
| 5959503 |
Voltage controlled oscillator tuning by metal lid aperture selection |
Sep. 28, 1999 |
| 5841322 |
Phase detector using carrier suppression and oscillator using the phase detector |
Nov. 24, 1998 |
| 5781074 |
Low electromagnetic interference clock oscillator module |
Jul. 14, 1998 |
| 5712598 |
Driving apparatus for electrostatic converting means |
Jan. 27, 1998 |
| 5677650 |
Ring oscillator having a substantially sinusoidal signal |
Oct. 14, 1997 |
| 5675295 |
Microwave oscillator, an antenna therefor and methods of manufacture |
Oct. 7, 1997 |
| 5568096 |
Apparatus and method for using negative FM feedback in high quality oscillator devices |
Oct. 22, 1996 |
| 5302921 |
Piezoelectric oscillator having reduced radiation of higher harmonics |
Apr. 12, 1994 |
| 5185585 |
Crystal oscillator and method with amplitude and phase control |
Feb. 9, 1993 |
| 5053726 |
Circuit for preventing VCXO mode jumping |
Oct. 1, 1991 |
| 5047734 |
Linear crystal oscillator with amplitude control and crosstalk cancellation |
Sep. 10, 1991 |
| 4864256 |
Oscillator with reduced harmonics |
Sep. 5, 1989 |
| 4616193 |
High frequency transistor oscillator with discrete resonator elements for transponder |
Oct. 7, 1986 |
| 4571558 |
Voltage controlled crystal oscillator with reduced oscillations at crystal overtones |
Feb. 18, 1986 |
| 4542352 |
Cavity oscillator with undesired mode absorbing waveguides for linear FM |
Sep. 17, 1985 |
| 4518931 |
Transistor oscillator/frequency doubler with optimized harmonic feedback |
May. 21, 1985 |
| 4482820 |
Integrated circuit having stray capacitance compensation |
Nov. 13, 1984 |
| 4100510 |
Stabilization systems for IMPATT diode microwave oscillators or amplifiers, and similar active components |
Jul. 11, 1978 |
|
|
|
