PAC60Cip is the portable six phase real time simulation amplifier.This current amplifier is similar to PAC60Ci but it has lower output power and less weight. PA30Bip is real time simulation amplifier with three-phase current and four-phase voltage. PA30Bip-H is digital power amplifier with three-phase current and four-phase voltage. It is similar with PA30Bip but it has higher voltage output and power output. PAV250Bip is the portable six-phase real time simulation amplifier. This voltage amplifier is similar to PAV250Bi but it has small size and less weight. PAV120Bip is the portable six-phase real time simulation amplifier. This voltage amplifier is similar to PAV120Bi but it has small size and less weight.