High-powered and air-cooled CW/QCW current source PCX-7421 is design to drive diode lasers, bars, and arrays. There is a 50 mA to 21.5 A adjustable pulsed output current. There is a 50 ns to 500 ms pulse width adjustment, and a less than 25 ns rise time. When utilizing the internal pulse source, the pulse repetition rate can be adjusted between 40 Hz and 100,000 Hz, and between single-shot and 1 MHz when utilizing an external source.
The PCX-7121 offers outputs that are both CW (DC) and QCW (pulsed). It can operate as a pulsed/QCW driver at currents between 50 mA and 21.5 A, and as a CW driver at currents between 0.05 A and 5.8 A. In addition, it is possible to bias the output to any CW current between 0.050 A and 5.8 A, and then pulse above this bias current up to a maximum of 15.7 A. The bias current can be triggered and pulsed separately from the main current thanks to a new feature.
Overview
| Features | Applications |
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| Compliance Voltage | 24 V |
| Max Current Amplitude | 21.5 A |
| Rise/Fall Time | 25 ns |
| Max Frequency | 100 kHz (1 MHz with external trigger) |
| Pulse Engine (Trigger) | External, Internal |
| Remote Control | RS232, USB |
| Form Factor | Benchtop |
| Cooling | Forced Air |
| Polarity | Positive |
| Pulse Width | 100 ns - 500 ms (100% duty cycle up to 250W with external trigger) |
| Maximum Output Power | 250 W |
| Shipping Dimensions (in) | 28 x 17 x 11 |
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