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Class Information
Number: 333/81A
Name: Wave transmission lines and networks > Attenuators > Coaxial or microstrip
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7408424 |
Compact RF circuit with high common mode attenuation |
Aug. 5, 2008 |
| 7385456 |
Power absorber system and method |
Jun. 10, 2008 |
| 7362196 |
Temperature compensation attenuator |
Apr. 22, 2008 |
| 7283020 |
Signal extracting arrangement |
Oct. 16, 2007 |
| 7276989 |
Attenuator circuit comprising a plurality of quarter wave transformers and lump element resistors |
Oct. 2, 2007 |
| 7274272 |
Microwave variable attenuator |
Sep. 25, 2007 |
| 7271682 |
Wideband temperature-variable attenuator |
Sep. 18, 2007 |
| 7215219 |
Temperature and frequency variable gain attenuator |
May. 8, 2007 |
| 7212079 |
Attenuation or termination element having a coaxial structure for radio frequency electromagnetic waves |
May. 1, 2007 |
| 7205863 |
Temperature and frequency equalizer |
Apr. 17, 2007 |
| 7202759 |
Wideband temperature-variable attenuator |
Apr. 10, 2007 |
| 7119632 |
High-frequency temperature-variable attenuator |
Oct. 10, 2006 |
| 7039942 |
Pad adjustable equalizer for two way cable transmission |
May. 2, 2006 |
| 7012478 |
Method and device to control the power of millimeter waves for a V-band TR module |
Mar. 14, 2006 |
| 6968244 |
Apparatus and method for sharing an audio processing device between at least two optical information reproducing devices |
Nov. 22, 2005 |
| 6922115 |
Attenuator with switchable transistors for controlling attenuation |
Jul. 26, 2005 |
| 6903621 |
In-line attenuator |
Jun. 7, 2005 |
| 6888419 |
Variable attenuator device having substantially constant impedance |
May. 3, 2005 |
| 6876271 |
Microwave switching with illuminated field effect transistors |
Apr. 5, 2005 |
| 6822530 |
Rotary attenuator and method of making it |
Nov. 23, 2004 |
| 6741141 |
Ultra wideband frequency dependent attenuator with constant group delay |
May. 25, 2004 |
| 6674339 |
Ultra wideband frequency dependent attenuator with constant group delay |
Jan. 6, 2004 |
| 6621373 |
Apparatus and method for utilizing a lossy dielectric substrate in a high speed digital system |
Sep. 16, 2003 |
| 6559733 |
Reducing effects of electrical impedance |
May. 6, 2003 |
| 6529091 |
Absorptive circuit element, absorptive low-pass filter and manufacturing method of the filter |
Mar. 4, 2003 |
| 6509808 |
High thermal conductivity lossy dielectric using a multi layer configuration |
Jan. 21, 2003 |
| 6472948 |
High-power precision 1 dB step attenuator |
Oct. 29, 2002 |
| 6448867 |
High frequency voltage variable attenuator |
Sep. 10, 2002 |
| 6414565 |
Variable attenuator and mobile communication apparatus |
Jul. 2, 2002 |
| 6400236 |
Method and apparatus for a radio frequency power divider having un-terminated outputs |
Jun. 4, 2002 |
| 6373348 |
High speed differential attenuator using a low temperature co-fired ceramic substrate |
Apr. 16, 2002 |
| 6271727 |
High isolation RF power amplifier with self-bias attenuator |
Aug. 7, 2001 |
| 6255920 |
Low-pass filter |
Jul. 3, 2001 |
| 6181922 |
Attenuator unit, step attenuator, and electronic apparatus |
Jan. 30, 2001 |
| 6144265 |
Calibrated high power radio frequency step attenuator |
Nov. 7, 2000 |
| 6104240 |
Microwave circuit and method of manufacturing microwave circuit |
Aug. 15, 2000 |
| 6104258 |
System and method for edge termination of parallel conductive planes in an electrical interconnecting apparatus |
Aug. 15, 2000 |
| 6087906 |
Absorbent amplitude filter |
Jul. 11, 2000 |
| 6054907 |
Coupled gate switch for high impedance load and split power control circuit |
Apr. 25, 2000 |
| 6046652 |
Loading element for EMI prevention within an enclosure |
Apr. 4, 2000 |
| 6034575 |
Variable attenuator |
Mar. 7, 2000 |
| 6023608 |
Integrated filter construction |
Feb. 8, 2000 |
| 6011513 |
Beamforming circuitry |
Jan. 4, 2000 |
| 5999064 |
Heated temperature variable attenuator |
Dec. 7, 1999 |
| 5986516 |
Chip attenuator having a capacitor therein |
Nov. 16, 1999 |
| 5929719 |
Shielded cable with in-line attenuator |
Jul. 27, 1999 |
| 5917385 |
Attenuator control circuit having a plurality of branches |
Jun. 29, 1999 |
| 5892412 |
Method of and an apparatus for tunable passive-gain equalization |
Apr. 6, 1999 |
| 5878334 |
High temperature superconducting low power receiver protector/clutter automatic gain control for radar receiver |
Mar. 2, 1999 |
| 5831491 |
High power broadband termination for k-band amplifier combiners |
Nov. 3, 1998 |
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