hi.
i have an ic : pw0268
it dosent work perfectly.
is anybody here that used to worked with this ic for ultrasonic distance measurment.?
i dont have any burst in pin 11.
how can i have an ift(if transformer with freq :40khz) see following datasheet:
http://www.prowave.com.tw/pdf/sonar.pdf
please help me.thanks.excuse me for my bad english.