Resources Contact Us Home
R.F. switched amplifier and A.M. modulator

Image Number 2 for United States Patent #4350962.

An amplifier circuit incorporating a valve or vacuum tube in the grounded grid configuration is disclosed. The anode D.C. potential is greater than the cathode D.C. potential which is in turn greater than the grid D.C. potential. The cathode is switched at an R.F. rate to a further D.C. potential below that of the grid. Preferably the grid potential substantially cuts off cathode current flow with the switch open. The amplifier finds particular application as an output amplifier in an A.M. R.F. transmitter with the modulation being provided by high level anode modulation. The tube or valve can be a triode, tetrode, or pentode.

  Recently Added Patents
Representing polarized light in computer models
System, device and method for transrating file based assets
Catalyst compositions for hydroformylation reaction and hydroformylation process using the same
Monitoring and correcting upstream packet loss
Method and apparatus for re-routing calls in a packet network during failures
Detection and use of low molecular-weight modulators of the cold-menthol receptor TRPM8
System and method for selecting a video encoding format based on feedback data
  Randomly Featured Patents
Mold for encapsulating a component having non-axial leads
Non-metallic safety filling container
Lossless embedding of data in digital objects
Digital scale
Chimpanzee adenovirus vectors
Regulated high DC voltage supply
Stress control of thin films by mechanical deformation of wafer substrate
Cover for a barge
Ball-point pen
BGA memory module with battery pack