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ceramic caps doubt,please help me guys!?
1)guys please tell me the number code for a 4.7pf
and a 5pF disc capacitors?
2)please copy this link and thereu can see a simple
and basic FM tx,the link is " http://www.flickr.com/photos/aj_silverthunder/3851393731/ " ,in that circuit
schematic u can see a 500pF capacitor,my doubt
is"1.Why is that capacitor used there,2)what is
its function, 3).What happen if i replace 500pF with
a 0.1uF ceramic disc capacitor.
please help me guys!!!
1) 4.7pF capacitors here are marked 4P7 or just 4.7 pF
2) the 500 pF capacitor has to pass audio but bypass RF.
It is a bypass capacitor for the oscillator to work properly.
There is also audio from the microphone there and too big a capacitor will cause loss of audio high frequencies or loss of audio altogether.
500 pF is not a standard value. 470pF would be fine. It is not all that critical, though so if you can only get 680 pF that would be OK too.
Adheres paper, cardboard, foam, felt, ribbon, photos, paper-mache and fabric either together or to heavier materials like wood, metal, ceramic and more
Covers approximately 25 to 50 square feet
Conforms to ASTM D4236
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