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
Light barrier and method for detecting objects
System and method for multi-threaded MIMO OFDM channel equalizer
Method for identifying bacteria in a sample
Maize variety hybrid X03A157
Cytokine biomarkers as predictive biomarkers of clinical response for Glatiramer acetate
Printed circuit board including electromagnetic bandgap structure
3D image generating method, 3D animation generating method, and both 3D image generating module and 3D animation generating module thereof
  Randomly Featured Patents
Engine cover
Device for separating documents, cards and the like, especially paper money bills
Folding leg mechanism
Elastic polypropylenes and catalysts for their manufacture
Variable indexing pegs
Network virus activity detecting system, method, and program, and storage medium storing said program
Expandable clothes frame
Storage container for liquids
Pedestal crane
Assays employing novel substrates for measuring P450-mediated N-dealkylation