Found in 90s Radio Electronics, this small transmitter has a good range. L1 is formed by 3 + 3 turns of wire 24 around a pencil as a reference.
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...