Let's take a look at several different power supply technologies to power your rig. How do you get a low-noise, high-current 13.8 volts? Price, performance, power, and even weight are things to consider. How many amps does your rig draw? Do you need to over-provision current? Is that cheap ebay-supply going to smoke your expensive radio? No everyone can afford an expensive linear power supply, so let's take a look at some reliable alternatives.
