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楼主 |
发表于 2009-12-26 21:21
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这是原作者提供的依据:(为第一版,图纸为第二版)
Here is the β24 100KHz square wave response. This one is of the amp delivering 8Vpp (1W into 8Ω):
When examining an expanded X-axis of the square wave edge (not shown), the amp slewed from 10% to 90% of the 80V in 250nS, which corresponds to a slew rate of 290V/µS. This is very fast.
A word about these results. SPICE simulations always produce better results than reality, because all transistors of the same type are perfectly matched, and effects such as trace inductance and capacitive coupling are not taken into account, etc. Nevertheless, my experience in the past has shown that the transistor models I have are good, and these simulations provide a very good approximation of the actual performance. |
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