Сообщение от bordodynov
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Я эти две схемы нарисовал для других целей. Вот то, что вам нужно:
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Как в LTspice XVII запустить эту (8.asc) симуляцию, выскакивает окно "WARNING: Can't resolve .param w=limit(set,lm,.999)
Select OK to continue the simulation with
the default model or Cancel to quit now"
а также:
WARNING: Can't resolve .param w=limit(set,1m,.999)
Questionable use of curly braces in "r0 1 3 {rt*(1-w)}"
Error: undefined symbol in: "[rt]*(1-w)"
Questionable use of curly braces in "r1 3 2 {rt*(w)}"
Error: undefined symbol in: "[rt]*(w)"
WARNING: Can't resolve .param w=limit(set,1m,.999)
Questionable use of curly braces in "r0 1 3 {rt*(1-w)}"
Error: undefined symbol in: "[rt]*(1-w)"
Questionable use of curly braces in "r1 3 2 {rt*(w)}"
Error: undefined symbol in: "[rt]*(w)"
WARNING: Can't resolve .param w=limit(set,1m,.999)
Questionable use of curly braces in "r0 1 3 {rt*(1-w)}"
Error: undefined symbol in: "[rt]*(1-w)"
Questionable use of curly braces in "r1 3 2 {rt*(w)}"
Error: undefined symbol in: "[rt]*(w)"
WARNING: Can't resolve .param w=limit(set,1m,.999)
Questionable use of curly braces in "r0 1 3 {rt*(1-w)}"
Error: undefined symbol in: "[rt]*(1-w)"
Questionable use of curly braces in "r1 3 2 {rt*(w)}"
Error: undefined symbol in: "[rt]*(w)"