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Old 15th November 2007, 08:28 AM   #1
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Default i found a jfet -----sst441

does anyone know sst441?
refer to http://www.datasheetcatalog.com/data.../SST441.shtml.

is it ok for input circuit of amplifer instead of 2sk389,2sj109 ?

give me some comment ,thx.
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Old 15th November 2007, 08:37 AM   #2
Zen Mod is offline Zen Mod  Serbia
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Default Re: i found a jfet -----sst441

Quote:
Originally posted by john-china
does anyone know sst441?
refer to http://www.datasheetcatalog.com/data.../SST441.shtml.

is it ok for input circuit of amplifer instead of 2sk389,2sj109 ?

give me some comment ,thx.

well - transconductance is twice smaller than in case of 2SK389 ;

if that is good enough for circuit - just go for it ;

safe bet is place two instead one 2SK389

it's same as U441
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Old 15th November 2007, 08:42 AM   #3
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What about noise comparision?
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