This circuit was found in a 1977 timer cookbook. The circuit can generate signals with up to 99% active cycle. The FET can be BF245 or MPF102 and the basic frequency given by R1, R2 and C1.
This circuit for analog video signals was found in old American documentation. The transistor...
This circuit was suggested by Motorola in 1980s documentation. The circuit employs an operational of...
This circuit is from an American cookbook from 1977. The circuit generates a voltage of...