Me: How do I calculate the capacitor's inductance?
Nigel: You don't, there's no reason to want to?
This is what audioguru said:
A few uF's cap is useless at these high RF frequencies due to its inductance.
I want to avoid RF shorts across the supply.
and if I use two capacitors across the supply, don't they add up to a bigger value and create a lower reactance, so low that a short eventually occurs?
Just think about it: 1/(2*pi*F*(C1+C2)), where C1 and C2 are the capacitors across the supply, F is the frequency (I'm going over 100Mhz), and pi = 3.14.... (whatever the actual value for PI is).
you know what, just tell me the best capacitor value to use and why.
and one more thing... I'm gonna cheat :twisted:
I'm gonna take the coupling capacitor connected to the new varicap circuit and make it a variable one. Also, I'm going to add another variable one with my 0.1uH inductor connected to the NPN's emitter.
now I shall see that my troubleshooting is limited to fiddling with two trimmers.