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i use an antenna indoor an amplify using s9018 transistor but i normally get 50 hz consistently...not sure why is that...then i play another antenna next to use and the frequency oscillate around 10 hz to 20 hz only...
why is the frequency of the amplification output so small. how much is the...
I would like to ask if there is Mosfet boost converter circuit diagram that can output 12 volt 600 amp of current? Or anything that is above 100 Amp.. kindly advise where can i get the schema
Another thing i want to know about the tesla coil some people will use 9 volt battery and using resistor 22 kOhm...to the base of the 2n2222A transistor...why they do this and what is the calculation involve
I have seen some circuit always use 2222A transistor to make the tesla coil..is this transistor is the only one works..why others like S9018, C3355, C945 cannot use? please advise what is the main reason the 2222A because i need to know this in order to buy it otherwise i buy the wrong transistor
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