This circuit with 10 MHz and 1.25 MHz TTL outputs was found in an American documentation from the 1980s. The used integrated circuit is uncommon today.
Found in American documentation from the 90s, this CMOS circuit detects the source of a signal and can...
This circuit is from a 1964 Electronic Design. The transistors are from that time. They can be...
This circuit was found in 1960s Radio Electronics. The circuit uses components from that time. The...