Direct Energy's PCM-7140-1 is a compact pulsed and CW current source designed to drive laser diodes, bars, arrays, or any low-impedance load. The key specifications are output current from 0.1 A to 1 A, rise and fall times below 1 μs at 1 A, pulse widths from 1 μs to 100% duty cycle, pulse repetition rates from single shot to 100 kHz, and forward voltage from 0 V to 60 V.