Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Driver circuit for developing quiescent and dynamic operating signals for complementary transistors










Image Number 2 for United States Patent #4041407.

The driver circuit includes a differential amplifier, a double-to-single ended converter, an emitter follower amplifier and an output stage having one portion for driving one external complementary transistor and another portion for driving another complementary transistor. The driver output transistors of each portion of the output stage each has a biasing network including a semiconductor junction and a resistor which are driven by a constant current source. The bias networks enable the driver output transistors to provide quiescent currents of known magnitudes for biasing the complementary output transistors and to have high current gains so that the current source is able to supply a constant current of minimal magnitude. The biasing networks further provide temperature compensation of the driver output transistors. The driver output stage is suitable for being driven by a single ended drive signal.








 
 
  Recently Added Patents
Workflow optimization for high throughput imaging environments
Generating and modifying textual code interfaces from graphical programs
Systems and methods for facilitating communication with foundation fieldbus linking devices
Active pellet without chemical additives
Strategic planning management
Novelty headband
Systems and methods for providing a video playlist
  Randomly Featured Patents
Seat with an integral seatbelt
Diesel fuel engine injection system and method therefor
Display package
Orthodontic methods and apparatus for applying a composition to a patient's teeth
Fighting video game machine
Receiver having reference voltage stabilization circuitry
Method for controlling polishing time in chemical-mechanical polishing process
System and method for managing processing
Process for obtaining an adsorbent from a waste material and use of the adsorbent
Two-cycle internal combustion engine and method of operation