Quote:
Originally Posted by FrancoItaly
In practice my lrl is a high gain amplifier for the 8Mhz signal mixed with the "phenomenon". If the quartz oscillator works properly the lack of signal at the output means that there is not enough amplification. Transistors must be of the BC183C or BC547C type or equivalent with a beta greater than 500. The amplification can be increased by increasing the value of C13 / C14 and decreasing R10 / R12. Before doing this you can increase C2 / C3 / C4 which establish how much signal will be amplified, you can only leave C2, or only C2 / C3 so as to have 1pF or 0.5pF respectively. Yes the bottom sideb is connected to ground, it is a screen to reduce the possibility of self-oscillation.
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Thank you so much Mr. Franco
But I think you did not understand me
I built two type of your circuit.
The quartz circuit works well But the non-quartz circuit (your first circuit, which 6 bars) does not output.
Transistors 1, 2 and 3 have voltages, but transistor 4 does not have voltage.
for oscillation(
parasitic coupling) Do i connect bottom strips to ground ?
Thanks for your reply
