This circuit for UHF between 800 and 1 000 MHz was found in an American documentation from the 90's. The integrated circuit is from that time, uncommon today.
This one-digit TTL modulus for 7-segment display can be parto f digital projects. Many of them can be...
This circuit was obtained in a 1989 English magazine. Despite using a fixed 5 V regulator, it can...
When the 24 V battery voltage drops below 18 V, this circuit cuts off its discharge. The circuit...