Arduino AM transmitter

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hello mates,
i need send rtty or cw on 27mhz - amplitude modulation.
can give me advice, how that?

i made oscilator , amplifyier, cant make arduino.
the schema is:

arduino ==== 27mhz oscilator ==== amp ==== antenna

the circuit working perfect, cant make

if you've made transmitter don't need mixer add arduino output carrier?


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