This circuit was obtained from Signetics documentation from the 80's. The components used are from that time. The circuit can serve as a basis for repair, maintenance or projects with modern components.
This small transmitter sends signals to the 7 MHz band, but can be modified to operate at other...
We found this circuit in a publication of 1990. With the changes it can be mounted easily today....
This circuit is from a 1992 publication and is based on CMOS technology. The circuit is powered by a 6 V...