Inside the digital clock from a Soyuz spacecraft

https://www.electronics-lab.com/inside-digital-clock-soyuz-spacecraft/

Ken Shirriff published an interesting article on his blog. He writes: We recently obtained a clock that flew on a Soyuz space mission.1 The clock, manufactured in 1984, contains over 100 integrated circuits on ten circuit boards. Why is the clock so complicated? In this blog post, I examine the clock’s circuitry and explain why […]