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8 independently controllable High Voltage channels
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Four-quadrant bipolar channels
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SHV coaxial connector
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Common floating return shared by all channels
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Low ripple
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Excellent long-term output stability
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Under/over-voltage alert, overcurrent and max. voltage protection
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Interlock logic for unit enable
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Software Tool for easy channel management
The CAEN Mod.A1589 board contains 8 independent channels providing high-voltage through SHV connectors; it is compatible with the CAEN Universal Multichannel Power Supply System (SY1527, SY2527, SY4527, SY5527).
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SHV connector Single width (5 TE wide), 8 channel for Mod. A1589 |
Consult our connectors reference page for technical information.
All channels are differential and can operate in the so called four-quadrant regimes supplying or operating as resistive load. It can provide, with an excellent long term output stability. It ensures a voltage stability within 10 mVpp, with 100 mV setting resolution. Moreover, the channels share a common floating return, which allows on-detector grounding reducing the noise level; the floating return is insulated from the crate earth up to ±50 V (with a 65V hardware limit). The board is provided with both current and voltage protections. The HV Ramp-up and Ramp-down rates may be selected independently for each channel in the 1 ÷ 500 V/s range (1 V/s step).
Safety features allows the module to perform as a current generator and includes:
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Channels |
can be enabled or disabled through the Global Interlock logic. |
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Overvoltage and Undervoltage warning |
when the output voltage differs from the programmed value. For each channel, it is also possible to set an output current limit in the 0 ÷ 15 mA range, in 250 nA steps. |
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Overcurrent detection |
when a channel attempts to exceed the programmed current limit, it signalled to be in “overcurrent” and enter in a TRIP status. The output voltage is varied to keep the current below the programmed limit for a programmable TRIP time, then the channel is switched off. If TRIP is set to “constant current mode”, the channel behaves like a current generator. |
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Hardware VMAX |
maximum output voltage can be set via front panel potentiometer, at the same common value for all the board channels. VMAX value can be read out via software. |
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Technical Specifications
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No. of Channels |
8 (Common Floating Return) |
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Polarity |
Four-quadrant bipolar |
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Max. Output Current |
500 µA |
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Voltage Set Resolution |
100 mV |
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Voltage Monitor Resolution |
100 mV |
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Current Set Resolution |
100 nA |
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Current Monitor Resolution |
100 nA |
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Ramp Up / Down |
1 ÷ 500 Volt/sec, 1 Volt/sec step |
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VMAX hardware |
2.5 kV |
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VMAX hardware accuracy |
± 2% of FSR |
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VMAX software |
2.5 kV |
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VMAX software Resolution |
1 V |
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Ripple |
< 10 mVpp (Typical; common mode; 10 Hz ÷ 20 MHz range) |
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Voltage Set vs. Output Voltage Accuracy |
±0.02% of setting ± 0.03% of Max Output Voltage |
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Voltage Monitor vs. Output Voltage Accuracy |
±0.02% of setting ± 0.03% of Max Output Voltage |
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Current Monitor vs. Output Current Accuracy |
±0.02% of reading ±50 nA |
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Current Set vs. Output Current Accuracy |
±0.02% of setting ±50 nA |
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Max Power per Channel |
1.25 W |
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Long Term Stability (24h) |
< 50 ppm * FSR |
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Vout / Temperature coefficient |
< 50 ppm /°C |
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