This circuit for the 60 kHz range was found in 73 magazine and published in 1995. The circuit uses a ferrite rod. Note the direction of the coil windings.
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...