Hi there,
I'm pretty new to electronics tinkering, but found a circuit I'd like to try and breadboard that requires an op-amp and that means I pretty much need a source of positive and negative voltage. I don't have a real bench power supply, but I do have:
1) An HP server power (DPS-460BB) supply that I hot-wired that puts out +12 volts (among other voltages)
2) an old terrible Pyramid power supply that puts out +13.68 volts (intended for automotive stuff)
The HP power supply has a three prong power cable, so it's grounded. Through the chassis and everything.
The Pyramid power supply has only a two prong cable, which I take to mean that the ground is floating?
The question is: Is it safe to hook the positive of the Pyramid power supply to the ground of the HP and create a dual-rail power supply of +12 volts (at the positive of the #1) and -13.68 volts (at the negative of #2)? Of course, the rest of the circuit would treat the Ground of #1 and Positive of #2 (they are connected after all) as overall ground of the circuit.
Hope this question is appropriate and I appreciate the help!
I'm pretty new to electronics tinkering, but found a circuit I'd like to try and breadboard that requires an op-amp and that means I pretty much need a source of positive and negative voltage. I don't have a real bench power supply, but I do have:
1) An HP server power (DPS-460BB) supply that I hot-wired that puts out +12 volts (among other voltages)
2) an old terrible Pyramid power supply that puts out +13.68 volts (intended for automotive stuff)
The HP power supply has a three prong power cable, so it's grounded. Through the chassis and everything.
The Pyramid power supply has only a two prong cable, which I take to mean that the ground is floating?
The question is: Is it safe to hook the positive of the Pyramid power supply to the ground of the HP and create a dual-rail power supply of +12 volts (at the positive of the #1) and -13.68 volts (at the negative of #2)? Of course, the rest of the circuit would treat the Ground of #1 and Positive of #2 (they are connected after all) as overall ground of the circuit.
Hope this question is appropriate and I appreciate the help!