Found in old American documentation, this circuit can use crystals between 27.5 and 33 MHz operating on the third harmonic. The transistor admits equivalent.
Based on common components, this circuit was found in an English publication. The circuit is...
We found this precise crystal oscillator for the 144 MHz band, depending on the crystal used. The...
E) This soft start dimmer was found in a Motorola documentation from 1968. However, it can be...