Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 330/81
Name: Amplifiers > Signal feedback > At least one push-pull signal stage
Description: Subject matter including at least one stage of push-pull signal amplification.










Sub-classes under this class:

Class Number Class Name Patents
330/83 Including d.c. path for signal feedback 3
330/82 Positive and negative feedback 6


Patents under this class:

Patent Number Title Of Patent Date Issued
8446228 Oscillator circuit May. 21, 2013
8022776 Origami cascaded topology for analog and mixed-signal applications Sep. 20, 2011
6069503 High value FET resistors on a submicron MOS technology May. 30, 2000
5604461 Transformerless output vacuum tube audio amplifier Feb. 18, 1997
4321552 Amplifier comprising a first and a second amplifier element Mar. 23, 1982
4112386 Modular radio frequency amplifier having a gain variable by external passive component selection Sep. 5, 1978
4066975 Audio amplifier with improved stability Jan. 3, 1978











 
 
  Recently Added Patents
Semiconductor device and manufacturing method thereof
Printed circuit board element and method for the production thereof
Methods and apparatus related to cursor device calibration
Mechanisms for strong atomicity in a transactional memory system
Liquid crystal display apparatus, liquid crystal display apparatus driving method, and television receiver
Object browser with proximity sorting
Image display apparatus
  Randomly Featured Patents
Self-adhesive radiant heating underlayment
Snowmobile hood
Exhaust gas recirculation system for internal combustion engine
Semisolid mixtures of amorphous oligomers and crystalline polymers based on lactic acid
Method for forming a cured resin coating having a desired pattern on the surface of a substrate
Portion of a footwear upper
Flat insulation displacement terminal for electrical connectors
Dual synthetic aperture radar system
Protective mask having a built-in sensor for monitoring vital functions
Data encoding in solid-state storage devices