Cs capacitor Max value

taeedy · 31st January 2009, 03:41 AM

Hello DIYers,

I have two questions/requests:

1) What is the suggested maximum value in "uf" for the Cs capacitor?

2) Though this is unrelated, does aynone have schematics for an inrush current limiter/soft start circuit? (Transformers will be 300VA units.)

I am building six amps:
Two for the highs - single chiped.
Two for the mids - double chiped.
Two for the lows - triple chips.

Please note, I am a beginner in these matters and I have slightly above zero knowledge of what I am doing.

Thanks in advance for your suggestions and recommendations.

AndrewT · 31st January 2009, 04:43 AM

search the chipamp threads

thespeakerguy · 31st January 2009, 05:39 AM

Tough to say. If you have an inrush limiter, and time to wait, you can use virtually infinite capacitance.

sangram · 31st January 2009, 07:53 AM

Cs = 10uF+100nF works well, for mine I usually use 100uF PanaFC +100nF SMD ceramic soldered directly on the power pin.

31st January 2009, 03:41 AM	#1
taeedy diyAudio Member Join Date: Oct 2008	Cs capacitor Max value Hello DIYers, I have two questions/requests: 1) What is the suggested maximum value in "uf" for the Cs capacitor? 2) Though this is unrelated, does aynone have schematics for an inrush current limiter/soft start circuit? (Transformers will be 300VA units.) I am building six amps: Two for the highs - single chiped. Two for the mids - double chiped. Two for the lows - triple chips. Please note, I am a beginner in these matters and I have slightly above zero knowledge of what I am doing. Thanks in advance for your suggestions and recommendations.

31st January 2009, 04:43 AM	#2
AndrewT diyAudio Member Join Date: Jul 2004 Location: Scottish Borders	search the chipamp threads __________________ regards Andrew T.

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31st January 2009, 05:39 AM	#3
thespeakerguy diyAudio Member Join Date: Feb 2001 Location: Silicon Valley	Tough to say. If you have an inrush limiter, and time to wait, you can use virtually infinite capacitance.

31st January 2009, 07:53 AM	#4
sangram diyAudio Member Join Date: Sep 2002 Location: India	Cs = 10uF+100nF works well, for mine I usually use 100uF PanaFC +100nF SMD ceramic soldered directly on the power pin.

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