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platform:zx81 [2016/08/02 14:51]
stefano
platform:zx81 [2016/08/02 15:28] (current)
stefano
Line 149: Line 149:
He also suggests, since the Germanium diodes are now quite rare, to use "Schottky" diodes (a Wilf's late suggestion was the 1N5817) and to raise the resistor's value to 5.6K. He also suggests, since the Germanium diodes are now quite rare, to use "Schottky" diodes (a Wilf's late suggestion was the 1N5817) and to raise the resistor's value to 5.6K.
-A variant of this scheme is described by Martin van der Zwan in his "The International ZX81 Magazine", issue two, October 1996.  Pitcure follows, but refer to the original article for details.+A variant of this scheme is described by Martin van der Zwan in his "The International ZX81 Magazine", issue two, October 1996.  Pitcure follows, but you should refer to the original article for details.
{{:wiki:zx81hrg.gif|}} {{:wiki:zx81hrg.gif|}}
 
platform/zx81.txt · Last modified: 2016/08/02 15:28 by stefano
 
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