PWB

Schematic      The 1756 PWB is a platform for building a 1000:1 passive scope probe designed for a scope input of 1M ohms and 15pF nominal. PWB Specs 3.600" long x 0.600" wide x 0.062" thick Sized to fit inside a 5/8" tube 1mm slots under...

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 nixie...

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

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 nixie driver board...

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 nixie driver board...

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 nixie driver board...

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 nixie driver board...

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 Constantan wire recommended for its moderate resistance and...

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 Constantan wire recommended for its...

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.      This PWB...

Schematic / Breadboard / Software / Matrix assembly video      The 1754 is a 64 bit magnetic core memory system board bringing together the family of core memory breadboard modules into a single pre-wired platform. The system board...

Matrix assembly video 8x8 core matrix PWB 0.062 thick 20.4 x 20.4mm  64 marks indicating core placement PWB Connectors (H): 2 x Adam Tech 2PH1-10-UA 10x1x2mm header PWB Connectors (V): 2 x Adam Tech 2PH1-08-UA 8x1x2mm header Mating connectors (H):...