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Need Help with AM signal generation

Question asked by chandra2sekhar2000 on Oct 31, 2015
Latest reply on Nov 3, 2015 by larrywelchusa

Hello sir,

we have a requirement of generating Amplitude modulation signal with carrier 2.5Khz or 4Khz sine wave along with a 50Hz modulating sine wave..both signals has to be generated and then amplitude modulated.The final AM signal O/P should be amplitude controllable .. from microcontroller we can have only few lines i.e SPI lines, too many I/O available.and also size and power consumption should be very very low. The AM output will be applied to an external amplifier.

please kindly recommend a solution ..Thank u