there may be a trivial solution, if you can define the situation exactly
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Actually it can, albeit with some limitations, if it has a pull-up resistor on the output. Distortion and stability may well be different from those of a dedicated opamp.comparator cannot do amplification stuff
almost dj ;D
That's how it's normally used, but the output of an open-collector type (e.g. LM339) with a pull-up resistor and negative feedback can be made to take up an intermediate position. It is, after all, a very high gain differential amplifier.But how, since comparator output is eihter 1/0?
You cannot use negative feedback with a comparator since it does not have "frequency compensation" like used in an opamp.
How does your PP3 charger know if the "9V" battery has 6 cells or 7 cells?
You selected 8.4V as "blocks never overcharge" but if the battery has 6 cells then each cell is 1.4V and might be fully charged but if the battery has 7 cells then it is no where near fully charged.
A PP3 battery such a high internal resistance so if it is charged at a fairly high current for "fast charging" then each cell reaches 1.4V long before they are fully charged.
Make certain that the AudioGuru bless it first!I am going to try a 741
I went back 10 posts. Where is your schematic?Nothing makes sense