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Author Topic: Quick Question  (Read 5852 times)

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aquatik11

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Quick Question
« on: July 02, 2002, 08:04:38 am »
I need to find a dealer who can sell me the correct chip for stephan hans keyboard splitter circuit. any online places? i tried newark, but i didnt find the part. any part number?
e-mail me reiko0384@yahoo.com
thanks
« Last Edit: December 31, 1969, 07:00:00 pm by 1026619200 »

JustMichael

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Re: Quick Question
« Reply #1 on: July 02, 2002, 09:17:46 am »
How about the URL for his page and what the chip # is?  I get a 404 when I try to go to http://www.st-hans.de/tricks.htm.  Have you tried Digikey or Mouser?  All Electronics often has stuff that you can't find elsewhere.
« Last Edit: December 31, 1969, 07:00:00 pm by 1026619200 »

aquatik11

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Re: Quick Question
« Reply #2 on: July 02, 2002, 11:42:33 am »
I am not really sure about the statistics of the chip. here is the page, if you can understand what they are that would help. i am not very good at wiring yet.
http://home.t-online.de/home/stephan.hans/tricks.htm#DUAL-KEYBOARD Circuit
thanks
« Last Edit: December 31, 1969, 07:00:00 pm by 1026619200 »

Carsten Carlos

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Re: Quick Question
« Reply #3 on: July 02, 2002, 12:57:01 pm »
Have you looked for a HCF 4053? There are also similar types available with different letter in front of the "4053", 74HCT4053 should work also I guess.

Expect the price to be under 50 cent for one chip! :D
« Last Edit: December 31, 1969, 07:00:00 pm by 1026619200 »



slug54

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Re: Quick Question
« Reply #4 on: July 02, 2002, 05:19:52 pm »
I built that circuit a couple of years ago I bought all the
parts at Radio $hack . I popped the cover on my splitter and the chip has a number of NTE4053b
                      Hope this helps
                         Slug54
« Last Edit: December 31, 1969, 07:00:00 pm by 1026619200 »

aquatik11

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Re: Quick Question
« Reply #5 on: July 05, 2002, 08:49:09 am »
Ok i searched a couple of sites, and i think i found what i need. i went to mouser.com and i just wanted to know if this chip will work. the number is 512-CD4053BCN. also for the t1 and t3 transistors, will this one from mouser work? 610-2N3904. it said on the page that bipolar transistors will work. that page is
http://home.t-online.de/home/stephan.hans/tricks.htm#DUAL-KEYBOARD Circuit
thanks again,
« Last Edit: December 31, 1969, 07:00:00 pm by 1026619200 »

aquatik11

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Re: Quick Question
« Reply #6 on: July 13, 2002, 11:28:03 am »
ok is this the right chip?
at least will it do?
http://www.mouser.com/index.cfm?handler=displayproduct&&lstdispproductid=545814
let me know.
« Last Edit: December 31, 1969, 07:00:00 pm by 1026619200 »