Hello everybody
i'm searching for the simpliest possible btl approach. i thought of just adding a second VAS and output stage to an existing amplifier design's differential amp non-inverting output. would that be possible? what feedback would be necessary? or is there an even simpler possibility?
i hope you can help me!
i'm searching for the simpliest possible btl approach. i thought of just adding a second VAS and output stage to an existing amplifier design's differential amp non-inverting output. would that be possible? what feedback would be necessary? or is there an even simpler possibility?
i hope you can help me!
unbalanced input to bridge output. so i can use one long-tail-pair as the input, feeding two seperate VAS + output stage, one on the inverting output and one on the non-inverting output of the long-tail-pair? if so, do i have to feed the output of the second VAS + output stage back to the LTP and how do i calculate it?
if it's not clear what i mean i could make a schematic...
if it's not clear what i mean i could make a schematic...
würde die sache natürlich einfacher machen, aber ich glaube wir halten das ganze auf englisch, auch wenn mein englisch zu wünschen übrig lässt
i drew two possibilities of feedback. i used quasi-complementary output so i don't have to adjust the schematic later, because i will use them in the final amplifier.
the first file shows local feedback over the vas and the output stage, the latter shows global feedback
i drew two possibilities of feedback. i used quasi-complementary output so i don't have to adjust the schematic later, because i will use them in the final amplifier.
the first file shows local feedback over the vas and the output stage, the latter shows global feedback
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