![]() ![]() ![]() The IC requires a small amount of power to operate & hence can easily be used with a 9V battery. LM386 is a low power audio frequency amplifier IC that is commonly used in small scale audio amplifiers. Basically, almost every signal amplifier today is an analog one, meaning that they amplify all mobile phone carrier frequencies using traditional technology. Together, these essential elements form a wireless system to boost mobile reception. An external antenna, an operational amplifier, and an interior antenna. So, in today’s tutorial, we are going to go over a step by step process on How To Make A Mobile/Cellphone Signal Booster Using the LM386 Op-Amp IC.Īny Cellular signal boosting system comprises of three key elements. If there is an existing transmission, only then a mobile signal booster will be able to amplify and transmit the cellular carrier’s signal. One important thing to take into consideration is that a cell phone signal booster is designed to work with an already existing and stable transmission. Its main aim is to take in an existing cellular signal around your car, office, workstation, or home and then rebroadcast a boosted signal, after passing it through an amplifier. What is a Mobile/Cellphone Signal Booster?Ī mobile/cellphone signal booster is basically a repeater system that allows an amplifier to add gain or power to the phone’s reception signal in different directions.
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