how to understand constant envelope?
时间：04-12
整理：3721RD
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Most mobile products are designed with Class C power amplifiers, which offer the highest power efficincey. However, because they are nonlinear, requires the amplified signal to have a constant envelope.
why nonlinear PA amplifier a constant envelope?
why nonlinear PA amplifier a constant envelope?
Because nonlinear PA amplify different amplitudes differently-not linearly.
So you will get distorted signal at output.
Regards,
eirp
Class AB is also used for a constant envelope.
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