Archived Boards and Threads > Digilent FPGA Boards
Optional Oscillator for BASYS 2 Board
captainsimbo:
Hi,
Does anyone know of anywhere other than Digikey where I can purchase the optional oscillator for the BASYS 2 board? Digikey charge just over £3 for the device but then a whopping £12 for delivery !!!
The (Digikey) part number is SGR-8002DC-PCC-ND (25MHz) - Note the Digilent documentation is wrong as they give the part number for a surface mount package!
I'm having great fun with the board but the VGA experiments are really rather shaky due to instability with the standard clock.
Thanks,
Simon.
Thorsten Trenz:
Hi Simon,
this is a standard 8 pin DIP 3.3V Oscillator. Simply use any type you can get at your local electronic store.
best regards
Thorsten Trenz
captainsimbo:
Hi Thorsten,
>this is a standard 8 pin DIP 3.3V Oscillator. Simply use any type you can get at your local electronic store.
That'd be 'Maplin' in the UK but I they don't seem to have anything remotely close.
Do you guys have any? I was thinking of ordering a PMOD or two could you perhaps supply one as part of such an order?
(Looking at RS or Farnell there seems to be a million different ones to choose from!)
Regards,
Simon.
Thorsten Trenz:
Hi Simon,
sorry, we do not have stock of such parts.
best regards
Thorsten Trenz
captainsimbo:
For any other UK users I got this from a very helpful chap at Digilent (Andrew Skreen) .....
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You are look for a DIP style oscillator with a four pin configuration. I found that on the Farnell website you can simply go to their oscillator section and select “Through Hole” in the mounting options and “4” as the number of pins. An example of what you would need is shown at the link below. I would also recommend that you look at the Basys2 schematic to see the orientation needed for the oscillator to seat correctly.
Abracon Oscillator-
http://uk.farnell.com/abracon/achl-25-000mhz-ek/oscillator-frequency-25mhz/dp/1652541
Basys2 Schematic-
http://digilentinc.com/Data/Products/BASYS2/Basys2_sch.pdf
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Farnell do have a £20 minimum order but p&p is free (so I bought a couple of pmods from them to make up the order).
Hopefully the oscillator will arrive soon, I'll give it a try and let everyone know how I got on.
~Simon
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