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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Do SO8 chips decouple more effectively than 8-pin DIP posted by wally on April 15, 2002 at 00:16:12:
Yes they do - if your electronics contain very high slewrate signals, such as for a 100 MHz CPU bouard, or primary side switched power supplies - in particular when combined with SMT decoupling caps and multilayer PCB's using separate ground and power planes. For analog signals (audio) below 1 MHz using single or double sided PCB's? No way.There is a caveat here, however. By keeping component sizes - hence the PCB layout - down, the lower inductances makes it possible to improve RF performance of circuits such as phono preamp. The benefits if this - if used correctly - is improved immunity to RFI. If used incorrectly, the extended bandwidth is just a problem - it is possible to turn an amp into a radio receiver or an oscillator.
Torbjorn E.
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Follow Ups
- Re: Do SO8 chips decouple more effectively than 8-pin DIP - tobbe 02:42:35 04/15/02 (1)
- Thanks for info (nt) - wally 03:21:05 04/15/02 (0)
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