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Fm transmitter circuit Power supply   :-   Using power supply stable DC voltage 2 V to 3.7 V max. You can only use battery because battery is perfect for this circuit battery output doesn't any noise. Components  :- Transistor BC 547 , Resistance 100 ohm , 4.7 K ohm .   Capacitor 1nF, 47pF, 22pF.   Inductor 1uH. Condenser mic any . Resistance  :-   Using resistance 100 ohm +-5% changing 1/3 watt, 4.7 K ohm +-5% changing 1/3 watt. Capacitor  :-   1nF this capacitor number 102 non-polar, 22pF this capacitor number 22 non-polar, 47pF this capacitor number 47 non-polar. Inductor  :-   This part important part for any transmitter circuit, 1uH 5Turn 24SWG. Transistor  :-   BC 547  is an NPN Bipolar junction transistor. It is commonly  used  to amplify current. A small current at its base controls a larger current at collector & emitter terminals.  It has a transition...

Switching circuit diagram  This type of circuit use inverter switch signal or many think use this circuit signal 0 up transistor on and another circuit off  1 down transistor on and up off.This circuit is very use full supply 12Volt . At that time, Motors are invented and scientists found that if  we  decrease the  frequency  of the electric supply, the eddy-current loss and hysteresis loss will gradually decrease. Therefore, the scientists decided to  use 50 Hz  instead of 60 Hz to reduce those losses. BC547  is an NPN Bipolar junction transistor. It is commonly  used  to amplify current. A small current at its base controls a larger current at collector & emitter terminals. BC557  is a widely used PNP bipolar junction transistor manufactured in small TO-92 package. It is a general purpose PNP transistor that can be used as a switch or amplifier in electronic circuits. ... The max collector dissipation is 50...

1600watt power inverter

  This network booster work basic low frequency to high  frequency It is very easy work  frequency of  850mhz, 900mhz, 1200mhz, 1600mhz, 1800mhz, 1900mhz, 2100mhz 2400mhz                                                   cable max 50 ft 18 swg 5 sm copper other 1 sm copper                                                                                                              ant 1 ft any tv other ant                                       ...