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Class 330/192 - OUTPUT NETWORKS


Subclass of Class 330 - Amplifiers
Definition: Subject matter involving significant detail or distinctive
No. of patents: 7
Last issue date: 11/08/2011


NumberTitleIssue Date
8054128Current control mechanism for low voltage applications
A current control mechanism for use in low power consumption circuits with limited headroom includes a differential transistor pair from whose collectors a current output is taken. The current output is a function of a reference voltage provided at bases of a refere...
11/08/2011
7355475Output circuit of vacuum-tube amplifier
An output circuit of a vacuum-tube amplifier is disclosed. An output circuit of a conventional vacuum-tube amplifier has shortcomings that a front end amplification unit uses a coupling condenser or a transformer to output an AC signal to an output node, a bias volt...
04/08/2008
7202734Electronically tuned power amplifier
A circuit and method for electronically tuning an RF power amplifier. The output filter includes at least one electronically variable reactance. The electronically tuned power amplifier may be tuned rapidly to a selected frequency, to a selected impedance, or to pro...
04/10/2007
7080185Bus control device altering drive capability according to condition
An access destination determining section determines whether an access is directed to region 1 or region 2. A region 1 drive capability register and a region 2 drive capability register set drive capabilities of output buffers when access...
07/18/2006
6977562Self-tuned matching network for high efficient power amplifiers
A passive interface circuit for coupling an output signal from a power amplifier to a load is disclosed. The interface presents an impedance to the power amplifier that increases as the power level in the output signal decreases. In one embodiment, the interface cir...
12/20/2005
4718100High current demand cable
Cabling (10) is provided for interconnecting amplifier (12) having a positive side (14) and a return side (16) to a load (18) having a positive side (20) and a return side (22). The cabling comprises a first open circuited conductor (24) having a first en...
01/05/1988
4048578R.F. amplifier circuit
An R.F. amplifier circuit having a high selectivity with a simple and inexpensive construction is provided. An R.F. choke coil acting as a bias supplying element is connected to a collector of an amplifying transistor to supply it with an optimum biasing ...
09/13/1977
 
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