NIXIE Tube Programmable Frequency Display
Автор: Mr Carlson's Lab
Загружено: 2016-08-30
Просмотров: 117085
How to build a programmable frequency counter for your favorite receiver, with "off the shelf parts!" Give that old radio receiver a digital NIXIE tube display. No special programming required. Join Paul in the Lab as he thoroughly explains how this, and many other frequency counters work.
Part 1 of this series: • The NIXIE Tube, and How To Use Them
Part 2 of this series: • The Crystal Oscillator and Frequency Division
Restoration of the ECHOPHONE EC-1: • Echophone EC-1 Tube Radio Restoration with...
CIRCUIT CORRECTION as follows:
On the schematic, locate the first 74HC192 at the right of the screen. You will notice pin 14 is connected to pin 11 of the next 74HC192, (to it's left.) "Omit that connection," and tie all the pin 14's of the 74HC192's together. There will be one more video in this series showing the build of the bakelite clock case, nixie counter. I will go over the schematic changes in that video.
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