This circuit is better than the previous one in that the control is isolated by a transformer. The transformer has 110 or 220 V primary and 6.3 to 12 V secondary with 200 to 500 mA current.
This circuit was obtained in an English publication of 1975. It is a circuit that stabilizes an...
This antenna or booster amplifier operates with signals from the midband (MW) range up to the VHF...
This circuit uses components from the time it was published. The circuit is from the 80's. The...