Bipolar transistors

Which pairing of a technology that integrates bipolar transistors and CMOS on the same chip with its purpose is correct?

  1. ASOI: isolating the substrate with an insulating layer
  2. BBiCMOS: combining the high density and low power of CMOS with the speed and drive capability of bipolar transistors
  3. CFinFET: making the channel three-dimensional
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Answer: B. BiCMOS: combining the high density and low power of CMOS with the speed and drive capability of bipolar transistors

BiCMOS lets designers use high-density, low-power CMOS for logic and bipolar transistors for high-speed circuits, driving heavy loads, and analog and RF circuits. SiGe BiCMOS, which adds SiGe HBTs, is used in communication ICs.

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More Bipolar transistors questions

  1. Which set correctly names the three terminals of a bipolar transistor?
  2. In the circuit symbol of an NPN transistor, which way does the arrow on the emitter point?
  3. Which correctly relates the emitter current IE, base current IB and collector current IC of a bipolar transistor?
  4. A transistor with DC current gain hFE = 100 has a base current of 10 μA. Roughly what is the collector current in the active region?
  5. What is the state of the junctions when a bipolar transistor is in the cutoff region (off)?