Only for reference this is a circuito f a commercial receiver of the year 1958. The circuit uses coils and transformers hadr to find in our days. The circuit is destinated to receive MW stations.
The current of this source is 200 mA at the most, and the output depends on the zener that may...
This peak detector has a memory to prolong the response. The circuit is from American...
The circuit in the figure uses the four current amplifiers of the LM3900 to generate a sawtooth signal...