Heathkit IP-2718 Power Supply 5 volts DC +- 5% at 1.5 amps A supply: 0-20 volts DC at .5 amps continuously adjustable B supply: 0_20volts DC at .5 amps continuously adjustable Regulation under load: less than 0.1%(20mv) variation from no load to full load on 20-volt supplies. less than 3% (150 mv) variation from no load to full load on the 5-volt supply. Tracking range: 2 to 18 volts Tracking error: less than 1 volt All three supplies can be connected in series