electrical and electronic, aircraft power supplies, switching power supplies, power supply converters, power supplies, linear power supplies, custom built power supplies, hot swappable power supplies, direct current (dc) to direct current (dc) power supplies, alternating current (ac) to direct current (dc) power supplies, original equipment manufacturers (oem) power supplies to specification, multiple output power supplies available from h d l research lab inc based in brenham, tx. click the links below to visit our website or contact us via our profile page.