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Recent content by Yadu

  1. Y

    1 Mhz ultrasonic transmitter wire out

    Also we measured the capacitance across the two wire of the transducer as you told.We got it as 1500pf. What does this capacitance indicate? In order to move forward, what has to be done?
  2. Y

    1 Mhz ultrasonic transmitter wire out

    Yes..we tried giving 1Mhz burst using function generator connecting it directly to the transmitter. We checked the output at the receiver by directly connecting oscilloscope to the receiver ends. We got the same damped oscillations. We tried to capture those damped oscillations and measure its...
  3. Y

    1 Mhz ultrasonic transmitter wire out

    Regarding the same 1Mhz transducer I referred in the previous question....(in the image above..) I designed a 555 timer at 10khz at the transmitter side and at each rising edge,I got a damped oscillation at the recever transducer,when viewed by using Oscilloscope.Though the resonant frequency of...
  4. Y

    Stabilising Damped Oscillations

    I have a transducer which receives a damped oscillation pattern. For my application there is a need for me to stabilise these damped oscillation patterns so that a stable frequency can be measured out of it. Can anyone help me with this circuit?
  5. Y

    1 Mhz ultrasonic transmitter wire out

    Recently I bought a 1Mhz ultrasonic transmitter receiver pair from Alibaba site. The proper datasheet was not available for the same. Since my need for 1 Mhz ultrasonic sensor was urgent, though without proper datasheet I ordered for the same. When it came it had three outlet wires coming...
  6. Y

    1 Mhz ultrasonic transmitter wire out

    Application of the following sensor module. Can any one tell me the application of the following sensr module? Can it be mounted on pipes and then measure the flow rate? Or is it a flow sensor that can just sense the flow when kept directly above flowing water?? The model no of the flow sensors...
  7. Y

    Suggestion for right selection of ultrasonic transducers.

    But sir, How can we know the required specifications to manufacture such a sensor so that it can transmit ultrasonic signals through pipes? Can you suggest us some areas where we have to look in to so that we can have a beginning in the right direction? Thanks in advance for your help!
  8. Y

    Suggestion for right selection of ultrasonic transducers.

    Thank you sir for your reply. But we are looking for a sensor module alone rather than the whole flow meter.
  9. Y

    Suggestion for right selection of ultrasonic transducers.

    Thank you so much sir for your reply. I am working for liquid medium. I came across a clam on liquid meter that work @ 1 Mhz in the following link. But cannot find it in any of the online shopping sites...
  10. Y

    Suggestion for right selection of ultrasonic transducers.

    I am now trying to build a non invasive flow rate sensor. I used RKI-1089 followed by a filter,amplifier and buffer. The circuit is working perfectly and the receiver is receiving the signal. But the transmitted ultrasonic signal @ 40 khz cannot penetrate even a bottle though we provide high...
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