‰ NOW 5 WPM ‰ TEXT IS FROM JANUARY 2017 QST PAGE 34 ‰ BLEEDER RESISTOR IS IN THIS SECTION, BUT NOT SHOWN. OVER CURRENT PROTECTION THE OUTPUT CURRENT PASSES THROUGH AN OPTOISOLATOR. ITS OUTPUT WILL CAUSE THE DRIVER TO SHUT DOWN WHEN THE HIGH VOLTAGE CURRENT EXCEEDS A ƒ QST DE W1AW ‰ VALUE SET BY THE BYPASS RESISTOR ON THE OPTOISOLATOR. DRIVER/CONTROLLER A CONTROLLER IC PROVIDES TWO PULSE TRAINS OF PROPER TIME AND INTERLEAVING. ‰ END OF 5 WPM TEXT ‰ QST DE W1AW ƒ