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发表于 2012-8-23 21:16:49
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[1] Middlebrook, R.D., "Measurement of Loop Gain in Feedback Systems", Int. J. Electronics, vol 38, No. 4, pp. 485-512, 1975
[2] Michael Tian, V. Visvanathan, Jeffrey Hantgan, and Kenneth Kundert,
"Striving for Small-Signal Stability", IEEE Circuits and Devices Magazine,
vol. 17, no. 1, pp. 31-41, January 2001.
【2】在【1】的基础上有所改进:1)考虑了反向反馈;2)计算量小些;
详见LTSpice的例子loopgan.asc 和Loopgain2.asc; |
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