ABBREVIATIONS FOR BASIC ELECTRONIC

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BJT = Bipolar Junction Transistor

ü UJT = Uni polar Junction Transistor

ü MOSFET = Metal Oxide Semiconductor Field Effective Transistor

ü NTC = Negative Temperature Coefficient

ü PTC = Positive Temperature Coefficient

ü LDR = Light Depending Resistor

ü VDR = Voltage Depending Resistor

ü Transformer is working AC condition

ü RADAR stands for Radio Angle Detection and Ranging

ü LASER stands for Light Amplification stimulated Emission and Radiation

ü BHT stands for Boost High tension Transformer

ü EHT stands for Extra High tension Transformer

ü VDU stands for Visual Display Unit

ü LCD stands for Liquid Crystal Display

ü TTL stands for Transistor and Transistor Logic

ü SCR stands for Silicon Control Rectifier

ü STR stands for Silicon Triggering Rectifier

ü STD stands for Subscribed Trunk Dialing

ü ISD stands for International Subscribed Dialing

ü VLF stands for Very Large Frequency

ü EHF stands for Extra High Frequency

ü IFT stands for Intermediate Frequency Transformer

ü Transformer is working Mutual Inductance Principle.

ü Coil is working Self Inductance Principle

ü Units of Power Watts

ü Units of Charge Coulombs

ü Units of Frequency Hertz’s (Hz)

ü Units of Current Amperes

ü Units of Voltage Volts

ü Units of Impedance Ohms

ü Units Resistance Ohms

ü Resistance is indicated by R letter

ü Units of Capacitance Farads

ü Units of Coil Henry

ü Units of EMF (Electro Motive Force) Volts

ü Units of MMF (Magnetic Motive Force) Ampere Turns

ü Units of Illumination Lax

ü Units of Luminous Intensity Candella

ü Units of Angular Frequency Radians

ü Units of Force Newton’s

ü Units of Temperature Degree Centigrade

ü Units of Heat Calories

ü Units of Sound Disables

ü Coil is represented by L letter.

ü AFC stands for Automatic Frequency Controller

ü BHT stands for Boost High-tension Transformer

ü FOT stands for Field Output Transformer

ü Driver Transformer is also called Chopper Transformer or 1:1 Transformer or Ration Transformer

ü Signal Diode is also called Point Contact Diode or Cat whisker Diode

ü LED stands for Light Emitting Diode.