PWB

Documents: Schematic (RevA Rev-) / BOM (Rev-) / Assembled / Breadboard      This is a simple hard logic nixie clock based on a data book application schematic from the mid 1970's illustrating the use of Texas Instruments' 74141 BCD-Decimal...

Documents:  Schematic / BOM / Assembled This kit includes items 2-28 on the BOM.  

Documents:  Schematic / BOM / FW Image / Chain Timing / Chain Enumeration / Protocol Description:  This circuit was created by Chris Barron (Yahoo group fixitsan2) and covered under a generous license agreement.  This B7971 14 segment...

Documents:  Schematic / BOM / FW Image / Chain Timing / Chain Enumeration / Protocol      This circuit was created by Chris Barron (Yahoo group fixitsan2) and covered under a generous license agreement.  This B7971 14 segment...

Documents:  Schematic / BOM / FW Image / Chain Timing / Chain Enumeration / Protocol      This circuit was created by Chris Barron (Yahoo group fixitsan2) and covered under a generous license agreement.  This B7971 14 segment...

Documents:  Schematic / BOM / FW Image / Chain Timing / Chain Enumeration / Protocol      This circuit was created by Chris Barron (Yahoo group fixitsan2) and covered under a generous license agreement.  This B7971 14 segment...

Files: Mech drawing / PWB DXF / Artwork      PWB with hole pattern to accommodate IN4 or IN18 nixie tubes.  Holes are sized for socket pins such as the ED5019 (Shallow) or ED90081 (Deep) pins.  

     PWB with hole pattern to accommodate ZM1040, ZM1042, ZM566, B05031, B5032 or B5092 nixie tubes.  Holes are sized for socket pins such as the ED5019 (Shallow) or ED90081 (Deep) pins.  

PWB in break-apart panels for mounting bridge wires. Features: Solder pads at bottom provided for connection of wires for input. Solder pads at tip for soldering bridge wire on front surface.

PWB in break-apart panels for mounting bridge wires. Features: Solder pads at bottom provided for connection of wires for input. Solder pads at tip for soldering bridge wire over the top between front and back surface.

Documents: Schematic / BOM      This kit includes the PWB and all the parts in the BOM not pulled from a working ELSI-804 calculator as well as a cable and connector to connect to the original power transformer.    ...