GoConqr has a new look! Let us know what you think.

Sign up free

Flashcards

Diode Construction (Mod.4 Sect.2 Part 4)

That Yeti Dog Person Electronics Technician Career Diploma English 44 cards

Cards in this deck (44)

  1. 1A _____ is a semiconductor device that has two terminals. They conduct electrons and are used to modify voltage input.diodes
  2. 2A ____ diode is a semiconductor with N and P-type materials that are chemically combined. They form a junction that allows conduction in one direction only.junction
  3. 3In a diode, the point where the P and N-type materials meet is called the ______.PN junction
  4. 4The top (positive) side of a diode is called the _____.anode
  5. 5The bottom (negative) side of a diode is called the _____.cathode
  6. 6The area around the PN junction where no charge carriers are available is called the __________.depletion region
  7. 7The depletion region is also sometimes called the ____ region or the ____ region.insulation, barrier
  8. 8The voltage present across the PN junction is called ____ voltage or junction ____.voltage, potential
  9. 9When voltage is applied to a diode in the forward direction (cathode to anode), it's called _________.forward-biasing
  10. 10When voltage is applied to a diode in the reverse direction (anode to cathode), it's called _________.reverse-biasing
  11. 11A diode's __________ shows the variation of the diode current versus the current across the diode. It's a line graph on a horizontal and vertical axis.characteristic curve
  12. 12The voltage at which a diode starts conducting is called its ___________.breakover voltage
  13. 13A ____ diode is a special type of diode designed to allow current to flow backwards without overheating. They are usually made of silicon.zener
  14. 14____ diodes are generally used to regulate voltage in power supplies.zener
  15. 15When the voltage across a device stays the same regardless of the amount of current moving through it, it's called a _________ device.constant-voltage
  16. 16When a diode reaches its ____ point, it begins to conduct rapidly in the reverse direction.zener
    (aka reverse-breakover voltage)
  17. 17The ______ delay of a signal is the measure of the amount of time that it takes for a change in input voltage or current to reach the output port.propagation
  18. 18Propagation delay is also called _________.transit time effect
  19. 19______ emission is the discharge of electrons from heated materials. It's commonly used as a source of electrons in conventional electron tubes.Thermionic
  20. 20_______ are special diodes used in microwaves and radar systems.Magnetrons
  21. 21A device that conducts the same amount of current even when the voltage across it changes is called a ________ device.constant-current
  22. 22Diodes that have a low-voltage positive or negative breakover point are very useful as signal detectors, so they're often called _____ diodes.signal
  23. 23The _____ or ____ diode gets its name from the fact that it's operated in a reverse-biased mode.backwards, back
  24. 24A ________ diode is made of a fine metal wire called a cat's whisker mounted w/ pressure against a block of N-type germanium material.point contact
  25. 25The _______ diode is made of N-type material and metal. This type of diode has no depletion region.hot carrier
  26. 26The hot carrier diode is also called the ______ diode.Schottky
  27. 27A _______ diode (___) produces visible light when it's forward biased. They are generally made of gallium arsenide.light-emitting, LED
  28. 28The word ____ is an acronym for "light amplification by stimulated emission of radiation".laser
  29. 29The ____ laser was the first type of laser ever made.ruby
  30. 30_____ light is the type of light produced by ordinary light bulbs.Incoherent
  31. 31_____ light is the type of light produced by a laser.Coherent
  32. 32________ diodes (___) are triggered into conduction when light hits them.light activated, LAD
  33. 33Devices that are triggered into operation by light are called ______.photosensitive
  34. 34An _________ is a device that contains both an LED and an LAD in a single light-tight case.optical coupler
  35. 35A ____ diode is composed of a layer of intrinsic semiconductor material sandwiched between a layer of P-type material and N-type material.P+N
  36. 36A _____ diode is a type of junction diode that's specially made to be used as a variable capacitor.varactor
  37. 37A difference of potential between a positive charge and a negative charge is called a ____.voltage
  38. 38The characteristic curve of an avalanche diode has the same basic shape as the characteristic curve for a ____ diode.zener
  39. 39Another name for a four-layer diode is a _____ diode.Schockley
  40. 40The first laser was made with a material called ____.ruby
  41. 41In a certain diode circuit, all of the negative half cycles of AC are passed, but no part of the positive half cycle above 3 V is passed. The circuit is called a _________ circuit.positive limiter
  42. 42To protect a meter from accidental overload and accidental reverse voltage, two diodes are used. They're connected in ________.reverse parallel
  43. 43What type of component is sometimes used as a blown fuse indicator?neon light
  44. 44An oscillator that operates by charging and discharging a reactive component, and has a nonsinusoidal output voltage is called a _____ oscillator.relaxation

Information

Description
?‍♀️
Created by
That Yeti Dog Person · Sep 2021
Updated
Sep 9, 2021
Views
49
Rating

Feedback

What is it about?

What do you think of the new look?

How do you like it?