That's what the emitter resistors are for............................. Matching transistors - in particular the Vbe - appears to be necessary, or figure out a way to compensate for the differences.
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That's what the emitter resistors are for............................. Matching transistors - in particular the Vbe - appears to be necessary, or figure out a way to compensate for the differences.
Awsome! I just love the music sync, truly greatHere it is in operation....don't laugh too much, its for kids. Play back is more in sync if watched on YouTube natively.
Look at the right two transistors. Lets declare one hat a gain of 100 while the other one has a gain of 200.The sensitivity to beta is then possibly the only issue left.