Hi all,
I am stuck on a typical noob question;
I am using BUZ71 mosfets as switches. One in particular needs to switch +12v to an "Enable" line for a car power amplifier; ie when the picaxe line is high, the line has +12v on it, when the picaxe line is low the line is floating / 0v.
I have connected a mosfet up as a high side switch but I just get +12v all the time at the drain, no matter what I go with the gate (ie high / low / direct to ground etc.) I know it's a simple problem but where am I going wrong?
I am stuck on a typical noob question;
I am using BUZ71 mosfets as switches. One in particular needs to switch +12v to an "Enable" line for a car power amplifier; ie when the picaxe line is high, the line has +12v on it, when the picaxe line is low the line is floating / 0v.
I have connected a mosfet up as a high side switch but I just get +12v all the time at the drain, no matter what I go with the gate (ie high / low / direct to ground etc.) I know it's a simple problem but where am I going wrong?