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Mobile Electronics Glossary of Terms and Definitions - T

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Mobile Electronics Glossary - T
  Tera (T) - A prefix meaning 1012 or 1,000,000,000,000 (one trillion in the US).
  Threshold of Pain (in dB SPL) - The minimum value of sound pressure of a given frequency that will cause pain to a listener 50% of the time. Discomfort begins at 118 dB SPL Actual pain starts around 140 dB SPL within the frequency range between 200 Hz and 10,000 Hz.
  TOC / Table Of Contents - The subcode information which contains track numbers and times.
  Toroidal Coil - An inductor or transformer whose core consists of a concentrically wound ribbon of magnetic material. Also used to filter noise on a DC supply line.
  Total Harmonic Distortion (THD) - The noise referenced to signal in decibels (dB) as a percentage.
Noise referenced to Signal
-10.0 dB
-20.0 dB
-30.0 dB
-40.0 dB
-50.0 dB
-60.0 dB
-70.0 dB
-80.0 dB
Percent Distortion
31.6%
10.0%
3.16%
1.00%
0.316%
0.100%
0.0316%
0.0100%
  Tracking Servo - The control circuit used to keep the pick-up over the desired track.
  Transducer - A device used to convert energy from one form to another. Acoustical to electrical (microphone), electrical to acoustical (speaker), and electrical to mechanical (Aura Bass Shaker) are three examples of transducers.
  Transformer - An electrical device that can be used to provide circuitry isolation, signal coupling, impedance matching, or voltage step-up .
  Transistor - A three terminal device used for amplification and switching.
  Tuner - A component (or section of one) that receives radio signals and selects one broadcast from many.
  Tweeter - A high frequency driver specifically designed to reproduce only the high frequencies (treble) of the audible spectrum.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Mobile Electronics Basics:
Diodes
Glossary of Terms and Definitions
Ohm's Law
Recommended Books & DVD's
Recommended Wire Sizes
Relays
Resistors
Tools and Equipment


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