Then, I just focus on TR3 to calculate the FM frequency? It shows that the f= 41MHz, but i can receive the output at 97MHz.TR2 is the Oscillator and the frequency is determined by L1C4.
TR3 is a power amplifier where L2C7 forms a network to feed the Antenna.
by Jeff Child
by Jake Hertz
by Aaron Carman
by Aaron Carman