Switched analog buffer (CB9315E)

This circuit was obtained from an application note from Analog Devices from the 90s. The components are from that time.

Optical Intercom Transmitter (CB17327E)
This circuit is from old documentation but uses components still common in our market. The circuit...
Signal Injector (CB13531E)
This traditional signal injector configuration was obtained in a 1977 amateur radio manual. The...
Very Low Consumption Alarm (CB12364E)
In the waiting condition, the consumption of this alarm is extremely low, of the order of...