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Old 6th March 2002, 01:08 AM   #1
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Default Variable speed clock

Hi all,
I am keen to build variable speed cdp using variable spped clock generator for retrofitting to standard cd players for DJ application.
I have seen this done sucessfully.
Suitable circuits anybody?
Thanks , Eric McMillan.
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Old 7th March 2002, 10:47 PM   #2
guido is offline guido  Netherlands
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Hi there,

The dutch magazine Elektor had a publication for Philips CD players back in december 1988. It works with the SAA7210/SAA7220 chipset. There was a 11.2896 and a 4.2336 MHz version. Regulation -20% to +15% in 0.5% steps.
Included was a display.

Elektor PCB's might be found at : but 88 is quite old. Elektor itself:

Good luck, Guido
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Old 9th March 2002, 10:49 PM   #3
Dave is offline Dave  New Zealand
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Default AD9850

Take a look at the AD9850 Direct Digital Synthesis Chip from Analog Devices.
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Old 10th March 2002, 07:38 AM   #4
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Default denon dj cdp

Thanks for the pointers - I'll go and have a look and get back.
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