HF-1 receive audio amplifier R118 100 2N3904 R119 100 +12v 20111 R114 1K R112 100K R117 100K C114 R111 1 OK 上。 lu Q113 2

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answerhappygod
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HF-1 receive audio amplifier R118 100 2N3904 R119 100 +12v 20111 R114 1K R112 100K R117 100K C114 R111 1 OK 上。 lu Q113 2

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Looking to learn how one would analyze this system. Please
answer bullet points and provide explanations. I'm not sure what
signal I/O path means.
Beta=100
HF-1 receive audio amplifier R118 100 2N3904 R119 100 +12v 20111 R114 1K R112 100K R117 100K C114 R111 1 OK 上。 lu Q113 2 hu C113 50u Q112 R116 >100 C111 C112 R115 50u R113 50u1t4.7K T 10K SR110 1K 2N3904 2N3904 Find the DC solution. IC_112 and IC_113 • Identify signal I/O path and the 1-transistor amplifier types. Find all bullet points please! • Zin and Zout of first amplifier. • Zin and Zout of second amplifier. • AvO of both amplifiers.
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