Description of the electronic circuit: In matters of vital tourism buses and schools need the presence of a zoom (amplifiers) with adequate capacity To run a set of speakers or the subwoofer to be distributed in an area of the bus interior through which broadcast instructions or descriptions of things and describe the scenes trip tourist
Electronic circuit:
Explain the electronic circuit: Our project is described Technical circle meets all these requirements. And follow-up technical drawing illustrated the use of transistor European number in the function Magnifier primer or the initial Pre-Amp and the input signal rose from the microphone Dynamic placed on the base of the transistor through intensive chemotherapy 47μF and resistance 1K and breaker effort Al Qaeda is a resistance 68K and outfitted with resistances 10K + 10Kcompounded by the intensive chemotherapy 22μF and which constitute at the same time recharge controlled between a part of the collector output and income base, and resistance to 10K plus 18K resistance are carrying the compound with the use of intensive chemotherapy 22μF order to stabilize the voltage. And the output signal after receipt of the zoom key to increase and decrease the volume, and Volume is the resistance changing value of 50 kilo ohms through the condenser 0.1μF The speakers incentive Drivers audio capability and speakers have been used by the integrated number TDA2005S and notes that the addition of the letter S on the end of the number of integrated indicating that they mainly dedicated to the work of the stereo so it must be noted at this point to buy and not buy the same integrated-free number from the letter S. And in the return line, we find that the conduct of the reference level abroad and controlled by VR Volume Plans to deliver integrated my income by 1 and 5 by cross-resistance with the use of 22K link capacity 0.1μF capacitor for each of my income is income that is integrated and that all of them entered the loudspeaker operations Op . Amp non-reflector-to-face reference. And an indication of emerging after zooming get them in the two line by 8 over intensive chemotherapy 2200μF to a number of 4 amplifiers sound objection, each 4 ohms and the second line by 10 to four amplifiers sound similar (not installed four amplifiers each line in the roof of the bus all by the group over the passenger seat at equal distances in an elegant container is sold ready for this purpose). And the feeding system, the amplifier will depend on the feeding 12-volt car battery with a note that the highest continuous effort allowed in the OS is 14.4 volts.
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