Question: Figure shown the circuit diagram of a balanced modulator, the input applied to the top AM modulator is m (t), where as that applied to

Figure shown the circuit diagram of a balanced modulator, the input applied to the top AM modulator is m (t), where as that applied to the lower AM modulator is – m (t); these two modulators have the same amplitude sensitivity. Show that the output s (t) of the balanced modulator consists of a DSB-SC modulated signal.

s,(1) AM modulator ml1) A,cos (2f1) Σ) s() Oscillator A,cos (2=f) AM -m(2) modulator

s,(1) AM modulator ml1) A,cos (2f1) ) s() Oscillator A,cos (2=f) AM -m(2) modulator

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