Electronic Circuit Design

I have attached a document of the circuit explanation of my ultrasonic range meter. But now I want to know if Im going to insert with in series with my 1M ohm resistor for the feed back of the op-amp to tune it for perfect 100db if the pot is not going… more »

The following was submitted on June 7th, 2007 at 01:47AM (PDT). message: sent me the ultrasonic distance meter circuit Mail from MS Design of an Ultrasonic Distance Meter There are several ways to measure distance without contact. One way is to use… more »

I am a University Physics technical staff member and I am searching a Diagram and full detals about Ultra sound detecter (Sender & receiver & Detecter). It must be arround (Detecting range ) 1.2 MHz. This is for the student practical activities.… more »