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Circuits Signal Gain & Filter Gain Blocks
Circuits Signal Conditioning Operational Amplifiers (Op Amps) Low Noise Amplifiers
Circuits Signal Conditioning Operational Amplifiers (Op Amps) High Speed Amplifiers
Circuits Signal Conditioning Operational Amplifiers (Op Amps) Low Bias Current Amplifiers

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Low Noise Fully Differential Buffer/Amplifier

View Full Size Image View Original Datasheet Low Noise Fully Differential Buffer/Amplifier

Useful in RFID baseband signal processing is a differential amplifier with an input impedance set to match the differential output impedance of a RF demodulator. The differential input impedance is 2*Rin and the gain is Rg/Rin. Capacitors Cf and Cin can be used to set the bandwidth of the amplifier. For DC biasing the common mode voltage gain is one (Vocm = Vicm) and is independent of resistor matching.



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