amplitude shift keying (ASK)

i have a question here on why are we still using ASK technique to convert digital signal to analog signal and why are remote control use ASK?

ratu semut said:

i have a question here on why are we still using ASK technique to convert digital signal to analog signal and why are remote control use ASK?

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In what context?.

Obvious answers are that you need to convert digital to analogue to send the signal down a telephone line, because a telephone system is an analogue system.

As for 'remore control', remote control doesn't generally use ASK, unless you mean some thing else?.

Be more specific, your question is meaningless.