Monday, December 19, 2011

HOW LCD DISPLAY WORKS?

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How LCD Display Interface Circuit works? An  LCD -liquid crystal display  is an electronically-modulated optical device made up of any num...

UNDERSTANDING MOUTHPIECE OR MICROPHONE, EARPIECE AND IHF OR BUZZER SPEAKERS CIRCUIT ON MOBILE PHONES

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A mobile phones microphone or mouthpiece is a component used to convert sound signal into an electrical signal. The earpiece speaker is the...

UNDERSTANDING MOUTHPIECE OR MICROPHONE, EARPIECE AND IHF OR BUZZER SPEAKERS CIRCUIT ON MOBILE PHONES

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A mobile phones microphone or mouthpiece is a component used to convert sound signal into an electrical signal. The earpiece speaker is the...

HOW AUDIO CODEC DO ON MOUTHPIECE, EARPIECE, IHF SPEAKER OR BUZZER AND VIBRATOR ON MOBILE PHONE CIRCUITS

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The Audio Codec is a circuit that controls sound signals in a cellphone circuits. It acts like an  audio amplifier  or an  audio mixer  or ...

HOW DO LED LIGHT BULBS WORKS ON MOBILE PHONE CIRCUIT

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An  LED  -  light emitting diode  is used to illuminate  keypads keys  and  LCD screen displays  on all mobile phones handsets. It is being...
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KEYPAD PROBLEM

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Understanding the Keypad circuit may help and boost your knowledge on fixing keypad problem issues on mobile phones. Keypads is a part of u...
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INSERT SIMCARD

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A  SIM Card  also known as  Subscriber Identity Module , A SIM is a  Smart Card that can store data from a cellular phone. Those data like...
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