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| 3.5 kV Floating Microchannel Plate Power Supplies at up to 20 kV Isolation
HP3 Series These power supplies, based on the standard HP series are intended to power imaging detectors. They give 0 to +3.5kV and can be floated on voltages up to +/-2.5kV (HP3F), +/-10kV (HP3F10) and +/-20kV (HP3F20) and use differential feedback techniques to allow the 24 volt power, control and monitor signals to be at ground potential. |
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| Unit Type | Output | Isolation | Output Ripple | Injected Ripple (1) |
| HP3F | 0 to +3.5 kV at 0.1 mA | ±2.5 kV (2) | 20 mV peak to peak | 10 mV peak to peak |
| HP3F10 | 0 to +3.5 kV at 1 mA | ±10 kV (3) | 75 mV peak to peak | 75 mV peak to peak |
| HP3F20 | 0 to +3.5 kV at 1 mA | ±20 kV (3) | 100 mV peak to peak | 100 mV peak to peak |
| (1) ripple injected into the power supply providing the floating voltage, measured assuming load capacitance of 1000 pF. (2) resistance to ground 400 Mohm on each output. (3) resistance to ground 600 Mohm on each output. |
| Electrical Specification | |
| Input voltages: | +24 volt at 0.7 amp & -15V at 20 mA (-15V not required on HP3F10 & HP3F20). |
| Output voltage: | See table above. |
| Control: | 0 to +10V gives 0 to +3.5 kV (Normal HP series internal & external potentiometer control also fitted). Tolerance ±3%, input impedance >100 kohm. |
| Line regulation: | Less than 0.1%. |
| Load regulation: | Less than 0.1%. |
| Voltage monitor: | 0 to +10V ±3% represents 0 to +3.5 kV. Source resistance 10 kohm. |
| Drift: | Typically 0.1% of full scale voltage per hour, measured at constant input voltage, outputt voltage, load, polarity & ambient temperature after 1 hours warm up. |
| Temperature co-efficient: | Less than 0.02% per °C. |
| Operating temperature: | 0°C to +50 °C. |
| Mechanical Specification | |
| Size HP3F: | 200 x 98 x 47 mm (standard HP10P case). HP3F10 & HP3F20 210 x 120 x 60 mm. |
| Input: | 10 way Molex connector. |
| Floating output: | By twin flying screened (shielded) leads type URM43 (HP3F & HP3F10), TV30 (HP3F20). |
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Amalgen Technologies Pty Ltd 43 Anderson Road, Mortdale NSW 2223 Australia Phone: +61 2 9570 2855 Fax: +61 2 9580 5128 |
| © 2007 All rights reserved. Amalgen Technologies Pty Ltd. |