QBU-BT-10kV Benchtop Pockels Cell Driver
QBU-BT-10kV extends the operating-voltage range of the QBU-BT series up to 10kV (bipolar). High output voltage permits half-wave-voltage operation of Pockels cells or use of larger crystals. It is specifically designed to control Pockels cells by applying rapidly switched high voltage. Users select voltage level, operating frequency and pulse width within the operating range through RS232 or the front panel. Triggering is automatic or uses an external-device signal. The packaged design is easy to install and operates from standard 100-240V AC 50/60Hz, so no additional driver power supply is required. Based on MOSFET technology, QBU-BT-10kV provides high repetition rates and fast transitions at both pulse edges (rise time <20ns, fall time <25ns). High efficiency and integrated forced-air cooling permit operation at several kilohertz even at maximum output voltage. In internal synchronization mode, QBU-BT-10kV performance is limited to the values in the table below. Total Pockels-cell and connecting-cable capacitive load is assumed to be 11pF, corresponding to a typical cell capacitance of 5-7pF and a 30-50cm cable. Higher performance is possible with external synchronization. Burst mode, meaning short-duration operation, improves performance by at least a factor of two; low operating voltage and load capacitance allow up to 100kHz. Higher load capacitance reduces performance.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Voltage Input | 100-240 V AC, 50/60Hz |
| Input Current | <1A |
| Operating Mode | Voltage-raising and voltage-lowering operation (triggered by any external TTL signal) |
| Voltage, High Level | Adjustable within the 4–10kV range |
| Voltage, Low Level | Fixed, 0V |
| Pulse Width [Internal synchronization mode; the original range endpoints use different units; no conversion] | 1us-1s |
| Pulse Width [External synchronization mode] | 200ns-∞ |
| Maximum Repetition Rate [Full load; 10kV; 11pF] | >5kHz at full load (10kV, 11pF) |
| Rise/Fall Time [In ascending / descending order] | <20ns/<25ns |
| Jitter | ~1.5ns |
| Delay Time | ~150ns |
| Overheating Protection | ~72℃ |
| Operating Temperature | 0~+40℃ |
| Storage Temperature | -20~+60℃ |
| Humidity [Non-condensing] | 0~90%, non-condensing |
| Dimensions | 300 mm × 220 mm × 80 mm |
| Weight | 2kg |
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