I utilized ckt on bread board and measured on dso …the output experienced only 800mv ac part of 40mhz although other section was dc part of all over 4v . i utilized Vcc of 5v . what i want is atleast 4v peak to peak as well as 9v peak https://consumer-electronics-crys12221.onesmablog.com/the-greatest-guide-to-timing-components-for-consumer-electronics-75665455