Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 330/88
Name: Amplifiers > Signal feedback > Cathode impedance feedback > Cascade amplifier stages with cathode-cathode feedback
Description: Subject matter involving at least two stages of amplification wherein the output of each stage is coupled to the input of the preceding stage except the first, and wherein at least two of the stages are arranged as defined in subclass 87 with signal feedback from the cathode impedance of the latter of the cascaded stages to the cathode impedance of a preceding stage.

Sub-classes under this class:

Class Number Class Name Patents
330/89 Between adjacent stages 2

Patents under this class:

Patent Number Title Of Patent Date Issued
8098840 Multi-channel output device for a multimedia device Jan. 17, 2012
7348846 Amplifier arrangement Mar. 25, 2008
6265938 Linear high-voltage drive stage and cathode-follower high-fidelity power amplifier implementing same Jul. 24, 2001
6011439 Low power RF amplifier Jan. 4, 2000
5859565 Cathode-follower high-fidelity power amplifier Jan. 12, 1999
5068624 Amplifier Nov. 26, 1991

  Recently Added Patents
Asynchronous line interface rate adaptation to the physical layer with synchronous lines at the connection layer
Plants and seeds of corn variety CV294874
Method for producing coated steel sheet
Methods and apparatus for providing video on demand and network PVR functions using IP streaming
Image sorting device, method, program, and integrated circuit and storage medium storing said program
Automatic adjustment of devices in a home entertainment system
Lamination sheet
  Randomly Featured Patents
Method and means to pump a well
Background removal apparatus
Machine for packaging products using a plastic film comprising a safety system against work accidents
Process for preparing bis-alkoxy-triazinyl-amino-containing stilbene disulphonic acids or their derivatives
Tender comprising four separate hull parts
Node storage, deployment and retrieval system
Disposable tourniquet cuff
Process for the preparation of trifluoromethylphenols
Lead-acid storage battery and electrode therefor