This amplifier for recording heads was found in a Radio Electronics from September 1963. The circuit uses period transistors but can be modified to work with modern transistors.
The charging current of this circuit is controlled by the temperature of the accumulators, which is...
El circuito de la figura es sugerido por National Semiconductor y puede servir de base para una...
The operational amplifier 747 is old, no longer being used, but the configuration is valid for...