hello guys..im new here and im doing diploma in electronic commucation.....im been trying to make am modulation and demodulation trainer for my project...by using the MC1496 AM modulator and demodulator...the problem is my supervisor ask me to make variable input signal. seriously i have no idea how to make an variable carrier signal input and variable audio signal input...if someone can help me with schematic for variable signal input and variable audio signal input i appreciate it...
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