This schematic appears in a recent question. The triangle may be an op-amp or a comparator, because they both have the same connections. (Why) isn't there a separate symbol for a comparator? The ...
Possible Duplicate: Basic Frequency Control Circuit In the following schematic, why can't R4 be taken away and the feedback network pass output feedback through C2 and R2?
I've found this schematics: (link) On the page they say "It can boost by 14dB" (they mean that amplifier can boost bass by 14dB). But now I'm little confused - is the circuit configured to boost ...
I am trying to get PSpice to simulate an integrator but I am having difficulties. The output should be a triangle wave form that is approximately 1.3 volts. However I keep getting something much ...
I'd like to build a cheap and easy op-amp to use with my electric guitar. The op-amp should input from the guitar's jack and output to a standard "earphone's cable" jack ( not sure about the jargon ...