maor said:
it works great even so there is some noise and im no sure about the range of the transmitter.
So, it does not work all that great then, does it?
maor said:
Also when i removed the coil from the circuit there was no difrence in any way from with the coil and W/O the coil.
In which case, the circuit was not working as its designer intended.
maor said:
I think the noise is being caused by the face im using just random(with the correct values) caps the circuit did say use 1% low noise caps but i don't i have any of those so i just used any kind of cap i had.
So, you did not use the correct components.
maor said:
I think i didn't do the coil right...
I guess not.
maor said:
Is the coils purpose to like lower the noise in the transmittion?
No, it is not.
The coil, in conjunction with its associated capacitors makes a tuned circuit so that the oscillator can run at the correct frequency.
Oh, by the way, plug in breadboards dont work very well at high frequencies, I speak from experience.
Many years ago, I tried to lash up an oscillator running on 20Mhz and used a breadboard, as much as I tried it did not work.
Taking the same components and soldering them to a piece of plain circut board, and gues what, the oscillator started as soon as I applied power, and near enough on the correct frequency.
So, maybe you did not understand when experienced guys try to give you advice.
Audio and Nigel are not little kiddies who have just fallen off the Xmas tree, listen to what they say and learn.
JimB