CRYSTAL OSCILLATOR FUNDAMENTALS EXPLAINED

i utilized ckt on bread board and measured on dso …the output experienced only 800mv ac component of 40mhz even though other component was dc part of about 4v . i used Vcc of 5v . what i want is atleast 4v peak to peak and likewise 9v peak to peak if Vcc is 9V …looking forward to brief replyThe Q component, which can be a measure of the quality