How to Amplify 5V Arduino Pulse Signal to 15V for Converter Trigger Using SN7416?

The discussion addresses how to amplify a 5V Arduino pulse signal to a 15V pulse suitable for triggering a converter using the SN7416 hex buffer/inverter. The SN7416 outputs open-collector signals that require a pull-up resistor to the +15V supply to achieve the higher voltage level. A 10kΩ resistor is recommended for this pull-up, but a 1100Ω 2W resistor can also be used. The SN7416 should be powered at the Arduino's logic voltage (around 5V), not 15V, as per its datasheet ratings. The output stage translates the 5V input pulse to a 15V output swing by pulling the output line to 15V through the resistor when the transistor is off. The output will not pull down exactly to 0V but will be low enough (around 0.4V) to be recognized as a logic low by CMOS inputs, which typically interpret voltages below 4V as low and above 11V as high at 15V logic levels. No additional CMOS stage is necessary after the SN7416 for compatibility with 15V CMOS logic inputs.
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