This PWM waveform ... use PC graphical interface for setting the function generator’s critical parameters. This design removes the limitations of ac coupling and the ±2-V signal level limit.

Linear Technology has unveiled a new pulse width modulation (pwm) generator with ... via a simple TTL/CMOS 50MHz serial data interface. The LT8500 is designed for use in a variety of pwm intensive ...

Linear Technology announces the LT8500, a pulse width modulation (PWM) generator ... serial data interface. The LT8500 can be used in a wide variety of PWM-intensive applications such as LED ...

0V + 5V logic signal for driving other laser modules Possibly a direct 5V pwm signal from the ATmega MCU output (that can provide >16mA) The circuit on the left can interface with any one of those, ...