newic
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hi
for the STB analysis in the circuit below, I have defined the 3 location that we can break the loop (break1, break2 & break3). All these gave me the same gain/phase plot. However when i use AC method (non-STB), it give different results in break1 & break3. The break2 shows the same result as in the STB. The STB can break in any locations as long as the loop is break? can someone explain why?
the ac method is the one to break the loop by big R-C or L-C.
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