RC Oscillators
A Phase Shift Oscillator.
You may omit R6 and simply make R1 200 times the value of R2.
If you make R2=R2,R4,R5 then the transistor needs a Hfe of at least 60.
Twin-T Oscillator.
Q2 should have a Hfe of over 100.
A Phase Shift Oscillator.
You may omit R6 and simply make R1 200 times the value of R2.
If you make R2=R2,R4,R5 then the transistor needs a Hfe of at least 60.
Twin-T Oscillator.
Q2 should have a Hfe of over 100.