i used ckt on bread board and measured on dso …the output had only 800mv ac element of 40mhz although other aspect was dc component of all around 4v . i applied Vcc of 5v . what I need is atleast 4v peak to peak and also 9v peak to peak if Vcc is 9V …looking forward to speedy replyA crystal oscillator is an electronic circuit that uses the me