This circuit is from a technical documentation on the National Semiconductor LM3909. The tripping transformer has a 1:1 turn ratio and the circuit is powered with 5V.
This circuit is used to output communications receivers that use low-impedance headphones or...
Based on NXP 74HC logic, this circuit can be adapted for various uses. The circuit can also be...
We find this circuit in an old technical documentation. The circuit can be drawn up with other...