TY - JOUR AU1 - Froelich, B AB - Circuitry is described for a simple automatic tracking system to be used with a sample-and-hold amplifier. The gate of this amplifier is driven in order to follow the maximum of any selected pulse. Results of ultrasonic attenuation measurements in liquids are given. TI - A simple apparatus for automatic pulse echo tracking JF - Journal of Physics E: Scientific Instruments DO - 10.1088/0022-3735/10/3/005 DA - 1977-03-01 UR - https://www.deepdyve.com/lp/iop-publishing/a-simple-apparatus-for-automatic-pulse-echo-tracking-SPKymc3rhB SP - 210 VL - 10 IS - 3 DP - DeepDyve ER -