Vacuum tube RS Trigger

I started experiments with vacuum tube-based logic and decided to implement RS trigger on Double triode 6N3P

Here you can see, how it works in real:

So, It works. I used circuit from the IBM 604 manual and tried to simulate it as a first step:

LT Spice allows me to check all nodes voltages and parts currents. There is no transistors in the real device - I used it just to driver the simulation model.

This is my first 3D-assembled device. It could be better, but...

There is +200V anode supply and -100V grid bias.

Logical levels for this schema - +150V for log.1 and +50V for log.0

Discussions

thommy wrote 04/30/2020 at 07:18

Nice project :) Do you know how fast it runs? Is there a way for you to characterize the latch?

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Yann Guidon / YGDES wrote 01/13/2020 at 22:08

How do you get those voltages ?

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Artem Kashkanov wrote 01/14/2020 at 07:15

I took a transformer from an old lamp TV and created a powerful PSU for Anode and heater voltages. It can give me 85-170-210-250 v with more than 0.5 Amp of current. Additionally, I use two-channel 350V 10mA for biasing.

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Yann Guidon / YGDES wrote 01/13/2020 at 20:43

You did it ! :-D

Are you sure? yes | no

ENIAC and the FlipFlops

How fast vacuum tube logic can be?

Discussions

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