I'm trying to remember the name of a video amplifier IC - it's an old Motorola chip and I recall that the internal circuit was basically a common emitter feedback triple with a pin for external compensation. MC????
uA733?
John
Possibly this one of mine...
-- | James E.Thompson, CTO | mens | | Analog Innovations, Inc. | et |
Good guess! The 592 has separate input emitter current sources so you can add a cap to differentiate or to handle large input offset voltages:
Mike
Thanks, but I don't think that's it. The one I'm trying to remember had a bigger bandwidth (~50 mHz IIRC) and was single ended all the way through.
That's the one!
That's NOT a feedback triple as Bitrex asked. This is...
-- | James E.Thompson, CTO | mens | | Analog Innovations, Inc. | et |
It was easy for me to remember. I always thought that DC Q-point scheme of mine was rather elegant ;-) ...Jim Thompson
-- | James E.Thompson, CTO | mens | | Analog Innovations, Inc. | et |
MC733, maybe? The NE592 was similar but would work down to lower gain.
Cheers
Phil Hobbs
-- Dr Philip C D Hobbs Principal Consultant
MC733, maybe? The NE592 was similar but would work down to lower gain.
Cheers
Phil Hobbs
-- Dr Philip C D Hobbs Principal Consultant
I was thinking of that configuration today for some reason but I couldn't remember the name or where I saw it - I recall now. It was in a YouTube video on analog IC design...there's actually an analysis of it here at 39 minutes in.
MC????
Hilarious! But it's not "lag" at that compensation point, it's "pole-splitting.
Also my MC4024 (and related PECL devices)...
-- | James E.Thompson, CTO | mens | | Analog Innovations, Inc. | et |
Well,well, remids me of the first satellite receiver I designed using the
592
That was EXACTLY my thought also.
Except that it's NOT, as the OP requested, "...basically a common emitter feedback triple with a pin for external compensation." ...Jim Thompson
-- | James E.Thompson, CTO | mens | | Analog Innovations, Inc. | et |
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