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 Post subject: Re: Barebone 74HC4053 AMTX
PostPosted: Aug Mon 31, 2020 2:23 pm 
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Joined: Jan Thu 01, 1970 1:00 am
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Location: Warner Robins, GA
Cool.


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 Post subject: Re: Barebone 74HC4053 AMTX
PostPosted: Aug Mon 31, 2020 8:19 pm 
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Joined: Mar Thu 01, 2018 1:30 am
Posts: 398
Even simpler bare bone AM TX.
One switch used as oscillator and another as modulator. Third one is left unused.

It is a cool design! Use LM386 at a slightly higher voltage to feed the voltage divider. 3Vpp will result in 100% modulation.


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