Keysight 87422A, Power Supply, 12 Volt DC And15 Volt DC, 70 WattConditon:* Used. Does Not Powers Up. Sold As-Is Or For PartsAdditional Notes:* The Keysight 87422A Universal Input, DC Switching Power Supply provides bias voltages to operate Keysight microwave system amplifiers. * Integrate these compact power supplies into a system or use standalone on the bench. This 90 Watt, plus or minus 15 Volt DC power supply powers the Keysight 83020A microwave system power amplifier. * An additional plus or minus 12 Volt DC output is provided to power a preamp such as the Keysight 83006A or 83017A. * Included with the power supply are the necessary two-meter cables to connect to the amplifier.* Designed specifically for Keysight microwave system amplifiers* Bias cable permits remote placement* Compact size for easy system integration* DC Output Voltage/Current: +15 Volt at 3.3 Amp, -15 Volt at 50 mA +12 Volt at 2.0 Amp, -12 Volt at 200 mA Output Power: 70 Watt, MaximumKeysight87422A