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Slewmaster - CFA vs. VFA "Rumble"
Slewmaster - CFA vs. VFA "Rumble"
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Old 22nd July 2021, 05:30 AM   #10711
SumanDachepalli is online now SumanDachepalli  India
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Quote:
Originally Posted by Dirttracker73 View Post
There is newer v1.3 and v2 schematics in post 9246 but I don't know if it was built. More info in posts 9498 & 9499.
Thank you.

Has anyone tried latest versions(V1.3/2) of Spooky ??
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Old 22nd July 2021, 09:10 AM   #10712
RCruz is offline RCruz  Switzerland
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Slewmaster - CFA vs. VFA "Rumble"
Quote:
Originally Posted by bimo View Post
Q6 for bootstrap the LED, so if LED current change, the VAS current not change (relative stable). But in some arrangement it prone to oscillate. May be you need base resistor at Q6.
Thank you bimo
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Old 26th July 2021, 06:09 PM   #10713
SumanDachepalli is online now SumanDachepalli  India
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Has anybody driven this Slewmonster with Lateral-Mosfet as driver ?
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Old 27th July 2021, 10:50 AM   #10714
jwilhelm is offline jwilhelm  Canada
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The bias circuit is designed to operate with BJT drivers and output devices. It won't track correctly with lateral mosfets.
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Old 27th July 2021, 06:57 PM   #10715
SumanDachepalli is online now SumanDachepalli  India
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Any pointers to such output stage which utilize Lateral mosfet as drivers and BJT as output devices ?
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Old 1st August 2021, 07:43 PM   #10716
SumanDachepalli is online now SumanDachepalli  India
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Do we specifically need matched output BJT's for SLEWMONSTER ?
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Old 1st August 2021, 07:45 PM   #10717
jwilhelm is offline jwilhelm  Canada
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Just use devices from the same batch.
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