Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Wide-band directional coupler










Image Number 2 for United States Patent #7671698.

A directional coupler having a first structure with distributed lines having a first conductive line intended to convey a main signal between two end terminals and having a second conductive line, coupled to the first one, intended to convey a secondary signal proportional to the main signal; and a second structure with local elements including, between a first terminal of the coupler intended to extract the secondary signal and a first end of the second line, two attenuators in series between which is interposed a low-pass filter and, between a second terminal of the coupler and the second end of the second line, at least one attenuator.








 
 
  Recently Added Patents
Particle-loaded membrane for solid-phase-extraction and method for performing SALDI-MS analysis of an analyte
Method and system for utilizing native ethernet as a virtual memory interconnect
Once daily formulations of tetracyclines
State detection device, electronic apparatus, measurement system and program
Cooking tray
Method and apparatus for providing very high throughput operation and capability signaling for wireless communications
Semiconductor device and method for manufacturing same
  Randomly Featured Patents
Capacitor, semiconductor device and manufacturing method thereof
Protective device for remote control unit
Particle measuring system and method
Methods to control water flow and distribution in direct methanol fuel cells
Liquid discharger and liquid discharge adjustment method
Device for needling a prebonded web
Fuzzy channel allocation controller having service quality insuring
Panel cover system and method
IC coding speech into primary and secondary stages of packets
Methods and apparatus for guided transluminal interventions using vessel wall penetrating catheters and other apparatus