I used a TDA7053A which is very similar except it featuresĪ DC volume control which we can exploit in order to mute the audible output. The manufacturer'sĭatasheet recommends using a TDA7053 stereo power amplifier (1w per channel). The audio output from the TEA5767 is very low and is not enough to drive either headphones or a loudspeaker. The pin-numbering on the TEA5767 breakout board itself seems to vary depending upon which website you look at so I've shown on the photo the numbering that I've used on my circuit diagram. I held the TEA5767 in position using a spring clamp and soldered the pads using a 1mm soldering iron bit and 0.7mm cored solder.Help make sure the solder would flow underneath the TEA5767 pads. As the TEA5767's own breakout board is essentially a surface-mount device, I cleaned my breakout board with an alcohol-based flux to.Breakout board with its two 5-way pin headers.Although I don't recommend it, I used a breadboard to ensure the pin headers were vertical and aligned with the PCB during soldering.I was then able to choose one with the most accurate alignment. I etched 4 identical breakout boards by using etch resist transfers.Solder to the final clock-radio PCB later. This simplified the development work on a breadboard and made it easy to It's currently available mounted on a tiny breakout board (about 11mm x 11mm) complete with the necessary supportingĬomponents at a very low price from a supplier on eBay.Īlthough it would be possible (just) to solder it to the underside of a single-sided PCB, I decided it would be much easier to makeĪ more conventional breakout board complete with 0.1" headers. The clock has a stereo FM radio based on the This photo shows (highlighted) the radio section on the final PCB.
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