Found in American documentation, this switch is based on the 4093. The load will determine the supply voltage. The transistor is general purpose.
This transistor amplifier provides 35 W of power to an 8 ohms speaker and must be powered by a 59...
The input and output frequencies of this circuit depend on the coils and capacitors of the tuned...
The integrated circuit used in this configuration for noise reduction on FM radios is not common...