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Class Information
Number: 333/81R
Name: Wave transmission lines and networks > Attenuators
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7609126 |
Diode switch and attenuator for reducing a bias current |
Oct. 27, 2009 |
| 7609116 |
Integrated amplifier arrangement |
Oct. 27, 2009 |
| 7595705 |
Attenuator and step attenuation device having the same |
Sep. 29, 2009 |
| 7567122 |
Variable gain amplifiers systems and methods |
Jul. 28, 2009 |
| 7546101 |
Variable attenuation of broadband differential signals using PIN diodes |
Jun. 9, 2009 |
| 7528677 |
Temperature compensation attenuator |
May. 5, 2009 |
| 7525395 |
Step attenuator |
Apr. 28, 2009 |
| 7521980 |
Process and temperature-independent voltage controlled attenuator and method |
Apr. 21, 2009 |
| 7505748 |
Linear voltage controlled variable attenuator with linear DB/V gain slope |
Mar. 17, 2009 |
| 7492236 |
Gain compensation circuit |
Feb. 17, 2009 |
| 7492237 |
Gain compensation circuit |
Feb. 17, 2009 |
| 7482891 |
Interpolating programmable gain attenuator |
Jan. 27, 2009 |
| 7479843 |
Radiofrequency attenuator and method |
Jan. 20, 2009 |
| 7477085 |
Digital attenuator circuits and methods for use thereof |
Jan. 13, 2009 |
| 7474170 |
Attenuator |
Jan. 6, 2009 |
| 7474169 |
Attenuator |
Jan. 6, 2009 |
| 7453307 |
Process independent voltage controlled logarithmic attenuator having a low distortion and method therefor |
Nov. 18, 2008 |
| 7449976 |
Power efficient PIN attenuator drive circuit |
Nov. 11, 2008 |
| 7423514 |
Constant-power constant-temperature resistive network |
Sep. 9, 2008 |
| 7417462 |
Variable external interface circuitry on programmable logic device integrated circuits |
Aug. 26, 2008 |
| 7408396 |
High voltage protection circuit |
Aug. 5, 2008 |
| 7394994 |
Optical receiver circuit |
Jul. 1, 2008 |
| 7391268 |
Power amplifying device comprising a stabilizing circuit |
Jun. 24, 2008 |
| 7378895 |
On-chip electrically alterable resistor |
May. 27, 2008 |
| 7372313 |
Variable impedance circuit and apparatus comprising said variable impedance circuit |
May. 13, 2008 |
| 7365617 |
Wideband attenuator circuits and methods |
Apr. 29, 2008 |
| 7362196 |
Temperature compensation attenuator |
Apr. 22, 2008 |
| 7352282 |
Communication system |
Apr. 1, 2008 |
| 7352259 |
Broadband step attenuator with improved time domain performance |
Apr. 1, 2008 |
| 7345521 |
High frequency switch circuit |
Mar. 18, 2008 |
| 7345556 |
Variable attenuation circuit having large attenuation amount with small circuit size |
Mar. 18, 2008 |
| 7336130 |
Attenuator, variable gain amplifier using the same, and electronic equipment |
Feb. 26, 2008 |
| 7330086 |
Attenuator adapter |
Feb. 12, 2008 |
| 7304550 |
Wideband attenuator circuits and methods |
Dec. 4, 2007 |
| 7286001 |
High-frequency switching device and semiconductor device |
Oct. 23, 2007 |
| 7283019 |
Tuneable phase shifter and/or attenuator using photoresponsive-material in a waveguide |
Oct. 16, 2007 |
| 7280005 |
AC coupling network with variable attenuation |
Oct. 9, 2007 |
| 7265604 |
High-frequency switch circuit arrangement |
Sep. 4, 2007 |
| 7256664 |
Voltage controlled attenuator with no intermodulation distortion |
Aug. 14, 2007 |
| 7253700 |
Circuit for controlling a linear-in-decibels attenuator circuit using an analog control signal |
Aug. 7, 2007 |
| 7250804 |
Series/shunt switch and method of control |
Jul. 31, 2007 |
| 7245170 |
Attenuator and portable telephone terminal apparatus using the same |
Jul. 17, 2007 |
| 7242267 |
Interpolating programmable gain attenuator |
Jul. 10, 2007 |
| 7221207 |
Semiconductor switching circuit for switching the paths of a high frequency signal in a mobile communications unit |
May. 22, 2007 |
| 7199635 |
High-frequency switching device and semiconductor |
Apr. 3, 2007 |
| 7199664 |
Integrated switchless programmable attenuator and low noise amplifier |
Apr. 3, 2007 |
| 7196566 |
High-resolution variable attenuation device |
Mar. 27, 2007 |
| 7184731 |
Variable attenuator system and method |
Feb. 27, 2007 |
| 7173471 |
High frequency switching circuit and semiconductor device |
Feb. 6, 2007 |
| 7164994 |
Differential termination attenuator network for a measurement probe having an internal termination voltage generator |
Jan. 16, 2007 |
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