This 1 to 40 MHz amplifier is from a 1969 Motorola documentation. The components are of the time but admit modern equivalents.
This circuit interferes with the operation of infrared remote controls. Your radiation should be...
We found this circuit in a 1975 radio amateur documentation. The circuit uses TTL technology and...
With a 1 500 uFcapacitor this timer can reach times up to one hour. The capacitor must be of good...