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
Antibodies to Clostridium difficile toxins
Calcium carbonate granulation
Adding value to a rendered document
Magnetic disk and manufacturing method thereof
Method of forming solderable side-surface terminals of quad no-lead frame (QFN) integrated circuit packages
Integrated testing circuitry for high-frequency receiver integrated circuits
High-efficiency preambles for communications systems over pseudo-stationary communication channels
  Randomly Featured Patents
Dental separator for solids from a solids/liquid mixture
Ferroelectric film and semiconductor device
Top for tool box
Adjustable nozzle mechanism for variable capacity turbine and its production method
Communication device and method for transferring video-stream data to a display device and a storage device
Method for cleaning semiconductor wafers to improve dice to substrate solderability
Insulated bonding wire tool for microelectronic packaging
Inking unit for a printing press
Generating a description of a configuration for a virtual network system
Method for the continuous production of esters of thermally unstable acids