ginebra
Junior Member level 3
Hi Good Day!
I bought a 40Khz Ultrasonic Transmitter and Receiver for the 1st time and I am hesitant to use it because I dont know if it has a certain polarity or if what I bought was the non-polarized type. Also I would like to ask if since its center frequency is 40 Khz does it require its input to be 40 kHz as well or for any frequency, it would emit at 40 khz?
Here is the datasheet from the buyer.
I bought a 40Khz Ultrasonic Transmitter and Receiver for the 1st time and I am hesitant to use it because I dont know if it has a certain polarity or if what I bought was the non-polarized type. Also I would like to ask if since its center frequency is 40 Khz does it require its input to be 40 kHz as well or for any frequency, it would emit at 40 khz?
Here is the datasheet from the buyer.