EmbeddingGemma 2: an open, lightweight multimodal embedding model
deepmind.google·6d ago
AI Engineering
Lobsters·Jul 31·5 min read
Energizing a vacuum-tube flip-flop module from a 1948 IBM system
TL;DR
A reverse-engineered TR-3 trigger module from the 1948 IBM 604 was successfully powered up, demonstrating its ability to store information. This module, a key component in early computing, showcases the transition from vacuum tubes to modern digital logic.
✦ Why It Matters
Explore vintage computing technologies to inspire modern circuit design and innovation.
Key Takeaways
- Understand the role of vacuum tubes in early computing.
- Experiment with vintage circuit designs for modern applications.
- Explore the significance of trigger circuits in digital logic.
- Consider the evolution from vacuum tubes to transistors in design.
How It Works
The TR-3 trigger module operates using two inverters connected in a feedback loop, allowing it to maintain one of two stable states. Each inverter is built from a dual triode vacuum tube, which amplifies and inverts input signals.
The circuit's design enables it to store information by remaining in a state until an input pulse triggers a change.