To make a small acoustic receiver

  • #1
vavapg

Main Question or Discussion Point

Hello~
Is there anyone good to make a simple acoustic receiver,just like using an IC to connect several capacitors?
Someone pose a picture just as follow.And said that is to make a small amplifier with a single chip and the making of mono loudspeaker and double channel loudspeaker are in this picture.
But...I am new here.Can not understand that very well.Is there a simple one to make?Or who can help explain this picture?

93ad771fd7215ad8a68669bb.gif



The data is from http://www.kynix.com/Search/TDA7050.html
Thanks so much.
 

Answers and Replies

  • #2
berkeman
Mentor
57,500
7,524
Welcome to the PF.

That IC and the circuits are for generating sound, not for receiving sound. For receiving, you need to use a microphone and some sort of amplifier circuit. What do you want to do with the received audio signal?

You can look at electronics kits as a good way to learn about various kinds of circuits. Here are some that include the microphone and a low-power FM transmitter, so you can hear your voice coming through your FM radio when you tune it to the matching channel...

https://www.lelong.com.my/ht699-fm-...t-set-hitectrons-162517356-2016-04-Sale-P.htm
 

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