PT2308P-C 데이터 시트보기 (PDF) - Princeton Technology

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PT2308P-C

2-Channel 300mW Class AB Power Amplifier

Princeton Technology 

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URL: http://www.princeton.com.tw

2-Channel 300mW Class AB Power Amplifier

PT2308P

3. Input Coupling Capacitor Ci

In typical applications, this input coupling capacitor transfers signals between the input and

PT2308P, it allows block DC bias of the PT2308P flowing into input signal, and thus the user must

be aware of the voltage tolerance and the polarity of this Cap.

Referring to the diagram above, Ci and R1 forms a 1st order high-pass filter; the lower-cutoff

frequency is determined by the equation:

fc(highpass)=1/2πR1Ci

The diagram below shows the frequency response when: Ci=10µF/1µF/0.47µF/0.22µF/0.1µF

PT2308P V1.0

-5-

November, 2005

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