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Text File  |  1992-09-01  |  445b  |  12 lines
  1. Generator producing a desired oscillation
  2. (vibration). There are many types of
  3. oscillator for different purposes, involving
  4. various arrangements of valves or components
  5. such as transistors, inductors, capacitors,
  6. and resistors. It is an essential part of a
  7. radio transmitter, generating the
  8. high-frequency carrier signal necessary for
  9. radio communication. The frequency is often
  10. controlled by the vibrations set up in a
  11. crystal, such as quartz.
  12.