Resources Contact Us Home
Browse by Category: Main > Electrical & Energy
Class Information
Number: 330/152
Name: Amplifiers > Cascaded differently coupled between stages
Description: Subject matter including at least three stages of amplification (each stage as defined in the class definition) such that, the input signal for each stage, except the first, is the output signal of the preceding stage; and where two of the interstage coupling means between successive amplifying devices have different characteristics.

Sub-classes under this class:

Class Number Class Name Patents
330/153 Including a cathode follower stage 2
330/154 Transformer or resonant circuit in interstage coupling (e.g., stagger tuning) 8

Patents under this class:

Patent Number Title Of Patent Date Issued
8619847 Reconditioning equalizer filter for non-constant envelop signals Dec. 31, 2013
8045642 IQ-modulator pre-distortion Oct. 25, 2011
7817713 Enhanced reconditioning equalizer filter for non-constant envelop signals Oct. 19, 2010
7071784 High linearity digital variable gain amplifier Jul. 4, 2006
5382849 Circuit configuration for signal limitation and field intensity detection Jan. 17, 1995

  Recently Added Patents
Image playback device and method and electronic camera with image playback function
Antitumoral compounds
SRB enhancement on HS-DSCH during cell change
Positive electrode active material for nonaqueous electrolyte secondary battery
Changing sound alerts during a messaging session
Liquid composite compositions using non-volatile liquids and nanoparticles and uses thereof
System and method for controlling device location determination
  Randomly Featured Patents
Multifunctional intergrated electronic product and method for preventing operation failure of the same
Efficient processing in an auto-adaptive network
Turbine exhaust cooling in a microturbine power generating system
Infant stimulus toy apparatus
Ionic liquid electrolyte
Belt drive arrangement for agitator washer mechanism
Gas exchange apparatus
Internet site access monitoring
Display control circuit for reading display data from a video RAM constituted by a dynamic RAM, thereby refreshing memory cells of the video RAM
Phosphonium anti-parasitics