- 1. SUBSTITUTE FOR NEC PS2501-1? (score: 1)
- Author: ehayes@VNET.IBM.COM (ehayes@VNET.IBM.COM)
- Date: Thu Oct 26 09:13:28 1995
- I am trying to help a friend build the Kenwood computer interface described in the QST article but am having no luck in locating the NEC PS2501-1 optoisolators that are shown in the schematic and don
- /archives//html/CQ-Contest/1995-10/msg00140.html (7,724 bytes)
- 2. SUBSTITUTE FOR NEC PS2501-1? (score: 1)
- Author: ehayes@VNET.IBM.COM (ehayes@VNET.IBM.COM)
- Date: Thu Oct 26 09:13:28 1995
- I am trying to help a friend build the Kenwood computer interface described in the QST article but am having no luck in locating the NEC PS2501-1 optoisolators that are shown in the schematic and don
- /archives//html/CQ-Contest/1995-10/msg00184.html (7,750 bytes)
- 3. SUBSTITUTE FOR NEC PS2501-1? (score: 1)
- Author: ehayes@VNET.IBM.COM (ehayes@VNET.IBM.COM)
- Date: Thu Oct 26 09:13:28 1995
- I am trying to help a friend build the Kenwood computer interface described in the QST article but am having no luck in locating the NEC PS2501-1 optoisolators that are shown in the schematic and don
- /archives//html/CQ-Contest/1995-10/msg00188.html (7,726 bytes)
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