I'm really curious about the way you generate PDRV. Is it from a voltage divider with potentiometer or automatic control circuit?
在 2016年3月7日星期一 UTC+1上午1:23:08，gregebert写道： > > > <https://lh3.googleusercontent.com/-wW233qCQhx0/Vtya0PanFII/AAAAAAAAACY/Xb6j1yj2PQk/s1600/in18_driver.jpg> > I attached the schematic for the adjustable current regulator I used on my > latest project. Each anode has a separate regulator. The PDRV signal sets > the driver current and requires no current because it controls the gate on > PMOS devices. Current is sensed by the source resistor (R7) which provides > negative feedback. The zener diode protects the PMOS gate-source voltage > from ESD, transients, noise, etc. The 10meg bleeder resistors protect the > PMOS devices from ESD. > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/6cc740d5-d2a5-4419-8010-6ebe52611ccd%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
