This amplifier stage was equipped with a Motorola radio from the 70s. The transistors were from that time and the single transistor output used an autotransformer.
This circuit was found in a 1968 documentation. The circuit generates three rectangular signals...
We found this circuit in an old documentation from the 70s. The circuit can use any varicap and...
Found in American documentation from the 90's, this circuit is very current and can be implemented with...