Electropuzzle

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Across
  1. 2. A type filter that blocks signals above a certain frequency
  2. 4. Unit of capacitance
  3. 5. A passive 2 terminal electrical device which blocks the flow of current
  4. 7. A semiconductor device with a negative resistance region used in microwave application
  5. 8. The unwanted signal that in interference with an desired signal in
  6. 9. The technic of controlling power delivery by varying the duty cycle
  7. 11. The cpu inside an Arduino board
  8. 14. A logic circuit that output HiGH if any input is HIGH
Down
  1. 1. An oscillator type that uses an Crystal to maintain a stable frequency
  2. 3. Which instrument is used to measure electrical resistance
  3. 4. An Technique to modulate signals by varying the frequency
  4. 6. The SI unit of induction
  5. 10. which computing technology used light instead of electricity for processing
  6. 12. A diode design to operate in reverse breakdown for voltage regulation
  7. 13. semiconductor device used in high power switching application