query: What are the reasons that the emitter is heavily doped in an NPN BJT?
positive_passages.docid: 24687
positive_passages.text: Collector Doping Concentration and Current Gain
negative_passages.docid: 79626
negative_passages.text: What is the purpose of the emitter resistor in a common emitter amplifier?
negative_passages.docid: 34454
negative_passages.text: Pn junction voltage drop?
negative_passages.docid: 97680
negative_passages.text: What happens to the semiconductor in an LED when it is given voltage that it cannot handle?
negative_passages.docid: 94637
negative_passages.text: What does Fermi level in the band gap mean?
negative_passages.docid: 121688
negative_passages.text: Why do you need 2 resistors when hooking up a transistor as a switch
negative_passages.docid: 5210
negative_passages.text: Why doesn't current flow in reverse biased diode?
negative_passages.docid: 157314
negative_passages.text: Why, microscopically, is the voltage drop across a resistor affected by the current through it?
negative_passages.docid: 153878
negative_passages.text: Effect of doping on the width of depletion layer of PN-junction diode
negative_passages.docid: 135501
negative_passages.text: Why isn't maximum current forced upon a circuit by a power source?
negative_passages.docid: 148145
negative_passages.text: My circuit doesn't respond properly to the duty cycle
negative_passages.docid: 37859
negative_passages.text: Help understanding this schematic : Why is the diode there (AT89C2051 Programmer)?
negative_passages.docid: 90016
negative_passages.text: What causes a resistor to heat up?
negative_passages.docid: 138155
negative_passages.text: Where might the noise be coming from in this speaker driver circuit?
negative_passages.docid: 55424
negative_passages.text: What is the difference between emitter and collector for BJTs?
negative_passages.docid: 9645
negative_passages.text: What are the various physical mechanisms for energy transfer to the photon during blackbody emission?
negative_passages.docid: 157907
negative_passages.text: Why is there always a capacitor on input and output of a voltage regulator?