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Support regarding Ultrasonic Sensor signal conditioner IC EVM

Other Parts Discussed in Thread: BOOSTXL-PGA460, MSP-EXP430F5529LP, PGA460

Dear Sir/Ma'am,

We are trying to develop an application using Ultrasonic signals, and need to study the time of flight and attenuation when the ultrasonic waves pass through a certain medium.

We were planning to use BOOSTXL-PGA460 + MSP-EXP430F5529LP development kit, but we understand it has provision for only one sensor which shall act as a transceiver. Our objective is to have a transmitter and a receiver placed on opposite walls of a container, so that attenuation can be studied in an effective manner.

Kindly guide us for any available development kit/board, which can meet our requirement or if the same can be achieved using the aforementioned development board.

With Regards,

Rajesh Kumar Verma

AMR (Instrumentation)

IOCL R&D Centre, Faridabad

Haryana, India

  • Hello Rajesh,

    Thanks for posting to the sensors forum!

    The BOOSTXL-PGA460 EVM can be setup as a separate transmitter and receiver. There has to be some small modifications done to the hardware since out of the box it is setup as a transceiver. There are a couple of items to note. If the goal is to have small measurements between the two please note that there is some noise that couples internally to the RX if you are using the same device for TX. So you wont be able to get real near 0cm measurements.

    If you need near 0 measurements and plan on using two BOOSTXL-PGA460 devices please keep in mind this would require custom firmware to synchronize the two devices.

    Other options to look at would be the BOOSTXL-TUSS44x0 devices, these are analog out and the output is always active since it does not depend on an ADC like the PGA460 does. I am not sure if this would be a better option for you. This EVM is also capable of running as TX and RX.

    I hope this helps let me know if there are any other questions!

    Best,

    Isaac