3-C-024: Diodes
3-24C1:
What is one common use for PIN diodes?
RF switch.
Constant current source.
Constant voltage source.
RF rectifier.
3-24C2:
What is a common use of a hot-carrier diode?
VHF and UHF mixers and detectors.
Balanced inputs in SSB generation.
Variable capacitance in an automatic frequency control circuit.
Constant voltage reference in a power supply.
3-24C3:
Structurally, what are the two main categories of semiconductor diodes?
Junction and point contact.
Electrolytic and junction.
Electrolytic and point contact.
Vacuum and point contact.
3-24C4:
What special type of diode is capable of both amplification and oscillation?
Tunnel diodes.
Zener diodes.
Point contact diodes.
Junction diodes.
3-24C5:
What type of semiconductor diode varies its internal capacitance as the voltage applied to its terminals varies?
Varactor diode.
Tunnel diode.
Silicon-controlled rectifier.
Zener diode.
3-24C6:
What is the principal characteristic of a tunnel diode?
Negative resistance region.
High forward resistance.
Very high PIV(peak inverse voltage).
High forward current rating.
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