Transducer Guide, Meaning , Facts, Information and Description

A transducer is a device that converts one type of energy to another, or responds to a physical parameter. A transducer is in its fundamental form a passive component. If the component is electrical then it generally has two electrical terminals.

See also electronics, gear, sensor

List of transducers

• Electrochemical:
  • battery
  • fuel cell
  • pH probe
  • Rechargeable battery
• Electromechanical:
  • actuator
  • circuit breaker
  • dynamo
  • galvanometer
  • MEMS
  • motor, linear motor
  • servomechanism
  • switch
  • piezoelectric
  • quartz
  • relay
  • strain gauge used in weight/force measuring.
• Electroacoustic:
  • gramophone pick-up
  • hydrophone
  • loudspeaker
  • microphone
  • earphone
  • piezoelectric crystal
• Photoelectric:
  • Laser diode
  • light-emitting diode
  • photodiode
  • phototransistor
  • solar cell
• Electromagnetic:
  • antenna (electronics)
  • cathode ray tube (CRT)
  • fluorescent lamp
  • light bulb
  • magnetic cartridge
  • photocell or light-dependent resistor (LDR)
  • reed switch
  • tape head
• Magnetic:
  • Hall effect sensor
• Electrostatic:
  • electrometer
  • liquid crystal display (LCD)
• Thermoelectric:
  • thermocouple
  • Peltier cooler
  • thermistor (includes PTC resistor and NTC resistor)
• Other:
  • Geiger-Müller tube used for measuring radioactivity.
• Electronic. These components change one electrical parameter in response to another. By some definitions these are electronic components, not transducers.
  • diode
  • gyrator
  • varicap diode, varactor diode, tuning diode
  • negative impedance converter, NIC
  • Schottky diode
  • transistor, Field effect transistor (FET)
  • Transorb
  • tunneling diode
  • varistor
  • voltage-dependent resistor
  • Zener diode
• Electrical. These components change one electrical parameter in response to another. By some definitions these are passive electronic components, not transducers.
  • capacitor
  • inductor
  • transformer
  • resistor
• Mechanical.
  • gear

External links

• whatis: transducer
• Federal Standard 1037C, August 7, 1996: transducer
• American National Standard for Telecommunications - Telecom Glossary 2000: transducer
• Search: transducer+definition

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