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previous: R.G. q{check out those 8.2K resistors BE... -- 6/20/2000 11:25 PM View Thread

Re: The "secret" isn't about the BMP

6/21/2000 12:02 AM
Re: The "secret" isn't about the BMP
"The way every inverting feedback amplifier works is that whatever current goes into the input resistor *must* be balanced by current fed back through the feedback resistor. "
So if the input resistor is made smaller allowing more signal to enter the amplifier the feedback will be smaller to compensate, like wise, if the input resistor is made larger to allow a smaller signal to enter the transistor the feedback will increase decreasing the size of the input signal. Kinda like tug-o-war. Is that what you are saying?  

Gord Hi,OK, I'm going to... -- 6/21/2000 3:15 AM