Component | Function | Key Parameters |
---|---|---|
LNA (Low Noise Amplifier) | Amplifies weak received signals with minimal added noise | Noise Figure (NF), Gain, IIP3, Power Consumption |
PA (Power Amplifier) | Boosts transmit signal power for antenna output | Output Power (Pout), Efficiency (PAE), Gain, Linearity (OIP3) |
Note: LNA and PA are typically isolated via a duplexer or switch in TDD/FDD systems to prevent PA leakage from desensitizing the LNA.
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