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OK, I know how to analyze an amplifier circuit with transistors. but how do I design an amplifier ??? how do i decide which type of transistor to use ??? what is the value of each resistor, capasitor & coil....???
are there any ground rules ?? or is trying until hitting...
Can anyone tell me anything about this sentence :
" Safe Class I, II, III Division 1, Group D, F, G. Approved for Non-Incendive use in Class I, Division 2, Groups A, B, C and D "
It suppose to be some kind of standard taliking about sparks that RF transmitters...
I want to build a 30 dB RF amplifier for VHF range (from -40dBm to -10dBm), so I use two stages of 15dB CE transistor amplifier(BF199) .
Every stage work great @ 200MHz , but when I connect them together..the signal is distorted !!!!!!!!
I try to connect many...
Design Balun Transformer
I need a Balun Tranformer for a TV trasmitter that I'm building .
I can't find it here at any store, and it takes too long time to order .
So, I want do design it !!!!
If you have any information,links,data......about designing - please send me .