Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 330/167
Name: Amplifiers > Interstage coupling > Transformer coupling > With additional impedance connected to "p" or "s" circuits
Description: Subject matter wherein additional impedance which may be inductive, capacitive or resistive is included in either the primary or secondary winding circuit of the transformer which couples the signal between the two cascaded amplifier devices.










Patents under this class:

Patent Number Title Of Patent Date Issued
6952159 Coupling device Oct. 4, 2005
5528630 Coupler for communication systems which utilize more than one frequency band Jun. 18, 1996
5404113 High efficiency power amplifier Apr. 4, 1995
5345189 Vectorial signal combiner for generating an amplitude modulated carrier by adding two phase modulated constant envelope carriers Sep. 6, 1994
4703283 Isolation amplifier with T-type modulator Oct. 27, 1987
4551686 Coupling filter, especially an input filter, for receivers of centralized ripple control systems Nov. 5, 1985
4105941 Driver for reactive load Aug. 8, 1978
4000473 Isolation amplifier Dec. 28, 1976











 
 
  Recently Added Patents
Techniques for forming a contact to a buried diffusion layer in a semiconductor memory device
Progressively discovering and integrating services
Electronic device
Belt with light
PVD coated tool
Method and system of extending battery life of a wireless microphone unit
Garden tool handle
  Randomly Featured Patents
Methods and compositions for intravaginal contraception
Fabrication and method of operation of multi-level memory cell on SOI substrate
Method and apparatus for position-dependent optical metrology calibration
Fluid flow meter
Image display system
Multistage variable impactor
Chair
Method and apparatus relating to secure communication
Phenolic thermosetting resins containing polyols
Image defect inspection apparatus