Found in documentation from 1924, this receiver has several sets of coils. Power is supplied by several batteries and listening on high-impedance headphones.
This circuit was found in a 1998 documentation and its purpose is to automate controls by timing its...
The LM567 is a PLL tone decoder that can also be used as a double oscillator as shown in the...
This is a one-bit memory that can be used to store a simple bit of information, such as a remote...