waltertransmitter
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+ | ====== Auriel Transmitter ====== | ||
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+ | This transmitter built by Walter Krämbring uses an Auriel transmitter card. Walter skips the op-amp entirely in his design and uses a single transistor to amplify the audio signal. To be perfectly honest, I am not sure that I understand how this connection actually works. I have a suspicion that is is dependent on the characteristics of the USB sound card he is using, so I recommend some experimenting with this circuit before you commit it to soldering. | ||
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+ | The Circuit diagram is like this: | ||
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+ | {{: | ||
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+ | The transmitter device used is made by Auriel and called TX-SAW433/ | ||
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+ | ===== Pictures ===== | ||
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+ | Here is a closeup of the radio device and a USB sound card on the same board: | ||
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+ | {{: | ||
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+ | Walter has built in an USB sound card together with the transmitter, | ||
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+ | {{: | ||
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waltertransmitter.txt · Last modified: 2018/11/03 02:59 by 127.0.0.1