a) In a Bipolar Transistor define the quantity B or hFE- How is the device structure of the npn Bipolar Transistor designed to maximize this quantity?
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- This is about Bipolar Junction Transistors: Discuss collector characteristic curves and identify and explain the different regions.Give a conclusion about BIPOLAR JUNCTION TRANSISTOR: OPERATION AND ITS CHARACTERISTIC CURVEDescribe the basic principle of operation of a bipolar junction transistor. Include explanation for the following : When minority carriers flow across the transistor Why the collector current is almost unaffected by the collector potential
- Question 2 (a) To achieve correct operation when using a Bipolar Transistor how should the two p-n junctions be biased?All field-effect transistors are unipolar rather than bipolar devices. That is, the main current through them is comprised either of through an N-type semiconductor * ..... .....Explain the concept of power semiconductor devices such as Insulated Gate Bipolar Transistors (IGBTs) and Thyristors. How do these devices enable efficient power control and switching in high-power applications?
- Topic: Transistor Familiarization a. Describe how to determine whether an unknown transistor is a PNP or NPN type with just the aid of an ohmmeter. b. In order for a PNP or NPN transistor to function, what bias must be applied to the emitter-to-base junction? c. Differentiate the transistor from the vacuum tube.The term cut-off for a transistor refers to a. the transistor is at its operating point b. no current flow from emitter to collector c. maximum current flow from emitter to collector d. there is no base current1. Sketch the circuit symbol of (a) an N-P-N transistor, and (b) a P-N-P transistor. 2. State the minimum voltage required across the base-emitter junction to turn on a transistor. 3. Sketch the input and output characteristic curves of a bipolar junction transistor.
- List the basic relationships for a transistor:4. The band gap between conduction and valance band in an insulator is (Low Very low High Moderate) 5. Operating point of a transistor must be independent of (Biasing Amplification Variations in parameters Filtration) 6. When a transistor operating at the central of the load line is declining, the current gain will change the Q-point (down up nowhere of the load line) 7. A bipolar junction transistor when used as a switch, operates in (cut-off and active region active and saturation region cut-off and saturation region all of these) 8. Inversion layer in an MOS circuit is made by (doping impact ionization tunnelling electric field) 9. What are the applications of semiconductor devices? (Microprocessors Analog eircuits High voltage applications All of these)In the end of part 2 or drawing: "Now placing the missing parts in the given transistor circuit ". Is every MOSFET n-channel? It looks like n-channel because it's missing the dot.