Do you mean Clapp Oscillator?
BFR540 is an obsolete BJT, not recommended for new design.Hello,
Thank you all for the help and suggestions. I want to use a real RF transistor BFR540. Is anyone familiar with downloading libraries from NXP for their models as I am only finding High Power Design Kits and not the one for my application? I cannot find the BFR540.
Thanks.
I got an oscillation but its not at the correct resonant frequency. I know that there are mismatches due to the distortion from microstrip lines but do you have any sugggestion how to increase the frequency. I am getting 1.6 Ghz while aiming for 2.4 GHz.Not sure if the RF path fulfills the oscillation condition, but the bias point is surely inappropriate. Vbe of 450 mV doesn't even cause minimal collector current with a Si transistor.
Thanks!Make the value of C21 between 2pF and 3pF..
If is not oscillating, increase the value of R2.
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