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  #1 (permalink)  
Old 04-25-2004, 11:34 PM
Leon Heller
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Default Altera ByteBlaster II schematic

I just came across this schematic for the ByteBlaster II:

http://www.mcu.cz/atm/index.php?dire...&directory=EDA

Someone has probably worked out the circuit by tracing the connections on a
unit as Altera hasn't published it, AFAIK.

Leon
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  #2 (permalink)  
Old 04-26-2004, 10:18 AM
Leon Heller
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Default Re: Altera ByteBlaster II schematic

"Leon Heller" <[email protected]> wrote in message
news:[email protected]
> I just came across this schematic for the ByteBlaster II:
>
> http://www.mcu.cz/atm/index.php?dire...&directory=EDA
>
> Someone has probably worked out the circuit by tracing the connections on

a
> unit as Altera hasn't published it, AFAIK.


You need to register to be able to download the above file.

Leon
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  #3 (permalink)  
Old 04-26-2004, 11:15 AM
Rene Tschaggelar
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Default Re: Altera ByteBlaster II schematic

Leon Heller wrote:

> I just came across this schematic for the ByteBlaster II:
>
> http://www.mcu.cz/atm/index.php?dire...&directory=EDA
>
> Someone has probably worked out the circuit by tracing the connections on a
> unit as Altera hasn't published it, AFAIK.


And does it work ?

Rene
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& commercial newsgroups - http://www.talkto.net
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  #4 (permalink)  
Old 04-26-2004, 02:26 PM
Leon Heller
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Default Re: Altera ByteBlaster II schematic

"Rene Tschaggelar" <[email protected]> wrote in message
news:[email protected]
> Leon Heller wrote:
>
> > I just came across this schematic for the ByteBlaster II:
> >
> > http://www.mcu.cz/atm/index.php?dire...&directory=EDA
> >
> > Someone has probably worked out the circuit by tracing the connections

on a
> > unit as Altera hasn't published it, AFAIK.

>
> And does it work ?


I mean to try it, when I get my Cyclone board finished.

Leon
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  #5 (permalink)  
Old 04-26-2004, 02:45 PM
Nial Stewart
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Default Re: Altera ByteBlaster II schematic


"Leon Heller" <[email protected]> wrote in message
news:[email protected]
> "Rene Tschaggelar" <[email protected]> wrote in message
> news:[email protected]
> > Leon Heller wrote:
> >
> > > I just came across this schematic for the ByteBlaster II:
> > >
> > > http://www.mcu.cz/atm/index.php?dire...&directory=EDA
> > >
> > > Someone has probably worked out the circuit by tracing the connections

> on a
> > > unit as Altera hasn't published it, AFAIK.

> >
> > And does it work ?



It looks about right if SOT-23's were used for all the diodes and
transistors.


Nial


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  #6 (permalink)  
Old 04-28-2004, 12:52 PM
Leon Heller
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Default Re: Altera ByteBlaster II schematic

"Leon Heller" <[email protected]> wrote in message
news:[email protected]
> "Rene Tschaggelar" <[email protected]> wrote in message
> news:[email protected]
> > Leon Heller wrote:
> >
> > > I just came across this schematic for the ByteBlaster II:
> > >
> > > http://www.mcu.cz/atm/index.php?dire...&directory=EDA
> > >
> > > Someone has probably worked out the circuit by tracing the connections

> on a
> > > unit as Altera hasn't published it, AFAIK.

> >
> > And does it work ?

>
> I mean to try it, when I get my Cyclone board finished.


A problem with this is that the BF550 and BF570 transistors used are
unavailable - 20 weeks delivery according to Arrow. 8-(

I'll see if I can find equivalent devices.

Leon
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http://www.geocities.com/leon_heller


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  #7 (permalink)  
Old 04-28-2004, 01:33 PM
ted
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Default Re: Altera ByteBlaster II schematic

Leon

I have tried the website, I even registered, but somehow, I cannot
click on the "byteblaster.pdf" link to download. How do you get to
download the file??

Thanks
Ted


> I just came across this schematic for the ByteBlaster II:
>
> http://www.mcu.cz/atm/index.php?dire...&directory=EDA
>
> Someone has probably worked out the circuit by tracing the connections on a
> unit as Altera hasn't published it, AFAIK.
>
> Leon

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  #8 (permalink)  
Old 04-29-2004, 10:00 PM
Pierre de Vos
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Default Re: Altera ByteBlaster II schematic

Click on the disk icon in the second column


"ted" <[email protected]> wrote in message
news:[email protected] om...
> Leon
>
> I have tried the website, I even registered, but somehow, I cannot
> click on the "byteblaster.pdf" link to download. How do you get to
> download the file??
>
> Thanks
> Ted
>
>
> > I just came across this schematic for the ByteBlaster II:
> >
> > http://www.mcu.cz/atm/index.php?dire...&directory=EDA
> >
> > Someone has probably worked out the circuit by tracing the connections

on a
> > unit as Altera hasn't published it, AFAIK.
> >
> > Leon



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  #9 (permalink)  
Old 04-29-2004, 11:58 PM
Rene Tschaggelar
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Posts: n/a
Default Re: Altera ByteBlaster II schematic

Leon Heller wrote:

> "Leon Heller" <[email protected]> wrote in message
> news:[email protected]
>
>>"Rene Tschaggelar" <[email protected]> wrote in message
>>news:[email protected] .
>>
>>>Leon Heller wrote:
>>>
>>>
>>>> I just came across this schematic for the ByteBlaster II:
>>>>
>>>>http://www.mcu.cz/atm/index.php?dire...&directory=EDA
>>>>
>>>>Someone has probably worked out the circuit by tracing the connections

>>
>>on a
>>
>>>>unit as Altera hasn't published it, AFAIK.
>>>
>>>And does it work ?

>>
>>I mean to try it, when I get my Cyclone board finished.

>
>
> A problem with this is that the BF550 and BF570 transistors used are
> unavailable - 20 weeks delivery according to Arrow. 8-(
>
> I'll see if I can find equivalent devices.


Since this is not a precision analog device, I guess any bipolar does
the job. Basically two inverters to boost the voltage plus an emitter
follower to lower the output impedance.

Rene
--
Ing.Buero R.Tschaggelar - http://www.ibrtses.com
& commercial newsgroups - http://www.talkto.net
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  #10 (permalink)  
Old 05-01-2004, 11:24 AM
Rene Tschaggelar
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Posts: n/a
Default Re: Altera ByteBlaster II schematic

Leon Heller wrote:

> I just came across this schematic for the ByteBlaster II:
>
> http://www.mcu.cz/atm/index.php?dire...&directory=EDA
>
> Someone has probably worked out the circuit by tracing the connections on a
> unit as Altera hasn't published it, AFAIK.


Did anyone succeed in getting it to run ?
It appears to be too simple. Even simpler than the MV.
Not partwise, but from the functionality.

I didn't even try as I get one from Altera.
But, just in case one of my customers
is going to need one ...

Rene
--
Ing.Buero R.Tschaggelar - http://www.ibrtses.com
& commercial newsgroups - http://www.talkto.net
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  #11 (permalink)  
Old 05-02-2004, 05:10 AM
Simon Peacock
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Default Re: Altera ByteBlaster II schematic

Basically they are the same. if you check the pinouts all that's been done
is to make the levels far more variable. You could probably do the same job
with 74VCX series from Fairchild except you would loose 5V operation. (but
the comparator is a nice touch). I have seen a 3V3/5V version of this
design but using logic gates already.

Simon

"Rene Tschaggelar" <[email protected]> wrote in message
news:40936c[email protected]
> Leon Heller wrote:
>
> > I just came across this schematic for the ByteBlaster II:
> >
> > http://www.mcu.cz/atm/index.php?dire...&directory=EDA
> >
> > Someone has probably worked out the circuit by tracing the connections

on a
> > unit as Altera hasn't published it, AFAIK.

>
> Did anyone succeed in getting it to run ?
> It appears to be too simple. Even simpler than the MV.
> Not partwise, but from the functionality.
>
> I didn't even try as I get one from Altera.
> But, just in case one of my customers
> is going to need one ...
>
> Rene
> --
> Ing.Buero R.Tschaggelar - http://www.ibrtses.com
> & commercial newsgroups - http://www.talkto.net



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  #12 (permalink)  
Old 12-12-2007, 04:46 PM
koce
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Posts: n/a
Default Re: Altera ByteBlaster II schematic

Can U, please, send me a byteblasterII schematic file if U have it.
Thank U!
Bojan

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Message posted using http://www.talkaboutelectronicequipm...omp.arch.fpga/
More information at http://www.talkaboutelectronicequipment.com/faq.html

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  #13 (permalink)  
Old 01-29-2008, 07:16 PM
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Default Re: Altera ByteBlaster II schematic

On 2007년12월13일, 오전12시46분, "koce" <[email protected]> wrote:
> Can U, please, send me a byteblasterII schematic file if U have it.
> Thank U!
> Bojan
>
> --
> Message posted usinghttp://www.talkaboutelectronicequipment.com/group/comp..arch.fpga/
> More information athttp://www.talkaboutelectronicequipment.com/faq.html


Hello
You can get very low cost ByteBlaster II at http://fpgaguy.110mb.com
It is only $36.95. You do not need to make byteblaster II.
Save your time and money.

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