Noise removal filter in car amplifier
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Noise in the amplifier can have various reasons, such as the type of audio or rc cable and the positive voltage wire and where it passes next to the audio wire, or even car alternator noise. Alternator noise is the most important cause of noise that is created with high frequency. Therefore, creating a low pass filter or lc can play an important role in reducing it. Of course, many factors are involved in this issue, one of which is the noise of the alternator. On the dynamo, there are disconnectors called optomat, whose failure can also affect noise generation. Of course, the function of the alternator is to adjust the input voltage to the battery from the car's alternator. In most amplifiers, an inductor and a capacitor along with voltage storage capacitors at the input of the circuit reduce noise, but depending on the type of dynamo, it is possible that this noise enters the circuit. Adding an additional capacitor and inductor at the input of the circuit solves this problem to some extent. To subscribe to this channel, please click on the following link: / @electronic4hame To subscribe to my English channel, please click on the following link: / @electronic4u-david Noise in amplifiers (part one): • Why in amplifiers Noise on the speakers... Class ab car amplifier training course: https://elecma.ir/product/%d8%af%d9%8... Thank you for your support ❤️❤️❤️ I have several courses I also have education. The best job in electronics is to learn circuit analysis. The sooner you start, the more time you will have. Our website for preparing courses https://www.elecma.ir Our training courses include 1) analysis of switching power sources based on circuit and schematics 2) analysis of the electrical protection circuit board on the map and description of the working principles of the circuit 3) Analysis of computer power circuit. Complete analysis of 4 different maps with existing types of ICs 4) Construction of variable power supply with high and low current (with matching transistor 5) Installation of flash player in the car broadcast in principle along with the construction of the signal circuit without change in the broadcast circuit 6) Review and analysis of car battery charger circuit 7) Scientific and practical examination of welding inverter or welding machine 8) Car amplifier training course 9) 220 volt power inverter training course 10) Changing the book-bee power supply to the construction of the short-circuit circuit of our website for the preparation of courses https://www.elecma.ir 00:00 Description of the Khurdu amplifier circuit, class ab 00:19 The three components of the car amplifier 03 :01 Auto alternator alternator 07:39 LC low pass filter circuit 10:15 Low pass filter circuit test using oscilloscope and signal generator
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