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UTC8207 - Low Frequency Power Amplifier

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UTC8207 Product details

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YOUWANG ELECTRONICS CO.LTD 2 UTC8207 1. Adjustment of Voltage Gain LINEAR INTEGRATED CIRCUIT The voltage gain GV is obtained as follows by R1, R2 and Rf in fig.1. Rf + R1+ R2 GV = 20log Rf + R1 When Rf=0, GV=56.5dB (Typ.) When Rf=120Ω, GV=45dB (Typ.) By increasing Rf, reduction of GV is possible.However, since the feedback increase is liable to produce oscillation, it is recommended to use this at 40dB or over.Fig.1 INPUT 6/7 Rf CNF 5/8 R1 45 + AMP R2 30K 2/10 OUTPUT 2. Thermal Shut-down

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