3 Years Warranty
A1625B
New
8 Channel 1kV/25 - 2.5mA Individual Floating Channel Dual Range Board
Features
- 8 independently controllable individual floating channels
- 1kV / 25 – 2.5mA output range (dual range, software selectable)
- 20 mV voltage monitor resolution
- Current monitor resolution:
- high range: 100 nA
- low range: 10 nA
- Programmable voltage ramp up / down rates, optimized also for large capacitance loads
- Typical voltage ripple smaller than 10 mVpp (1 KHz ÷ 20 MHz)
- Overcurrent programmable protections
- Programmable TRIP parameter
- DB37 connector
- Current generator operation in overcurrent condition
Overview
The CAEN Mod. A1625B is a single width board (5TE wide) that houses 8 Individual Floating Channels, delivered through DB37 connector. The output voltage is 0 ÷ 1000 V with 20 mV set/monitor resolution. The maximum current value is 25 mA with a 500 nA setting resolution.
|
DB37 connector
Single width (5 TE wide), 8 channels for Mod. A1625B |
Consult our connectors reference page for technical information.
The channels share a individual floating channel, which allows on-detector grounding, reducing the noise level. A global enable/disable connector allows to disable the channels. The voltage ramp rates may be set independently for each channel and offer dual current ranges (software selectable). The A1625B is provided with voltage ramp management optimized also for large capacitance loads.
The output channels offer dual current ranges (software selectable).
| High Power | 0 ÷ 25 mA | I set resolution: | 500 nA | I mon resolution: | 100 nA | Max. power: | 20W |
| High Resolution: | 0 ÷ 2.5 mA | I set resolution: | 500 nA | I mon resolution: | 10 nA |
Independently programmable for each channel:
| Output voltage: | 0 ÷ 1 kV | step: 20 mV |
| Current limit: | 0 ÷ 25 mA | step: 500 nA |
| HV Ramp up/down: | 1 ÷ 100 V/sec | step: 1 V/sec |
| TRIP parameter: | 0 ÷ 999.9 s; 1000 s = Infinite | step: 0.1 s |
Safety features allows the module to perform as a current generator and includes:
| Channels | can be enabled or disabled through the Global Interlock logic. |
| Overvoltage and Undervoltage warning | when the output voltage differs from the programmed value. |
| 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. |
| 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. |
| Safety Board Interlock | this protection disables the HV generation when the HV outputs are not connected to their loads. |
Technical Specifications
- No. of Channels
8 Individual Floating (±50V isolation)
- Output Voltage
0 ÷ 1000 V
- Max Current
- High range: 25 mA
- Low range: 2.5 mA
- Voltage Set Resolution
20 mV
- Voltage Monitor Resolution
20 mV
- Current Set Resolution
500 nA
- Current Monitor Resolution
- Low range: 10 nA
- High range: 100 nA
- VMAX hardware
0÷1000 V common to all channels
- VMAX software
0÷1000 V settable for each channel
- VMAX software resolution
1V
- Ramp Up/Down
1÷100 Volt/sec, 1 Volt/sec step
- Ripple (@ max load with 20nf)
1 KHz ÷ 20 MHz - maximum: <15 mV pp
- typical: <10 mV pp
10 Hz ÷ 1 KHz - maximum: <20 mV pp
- typical: <10 mV pp
- Voltage Monitor vs Output Voltage Accuracy
- typical: ±0.1 % ±0.1 V
- maximum: ±0.2 % ±0.2 V
- Voltage Set vs Output Voltage Accuracy
- typical: ±0.1 % ±0.1 V
- maximum: ±0.2 % ±0.2 V
- Current Monitor vs. Output Current Accuracy
- high range typical: ±0.5 % ±50 µA
- high range maximum: ±1% ±100 µA
- low range typical: ±0.5 % ±5 µA
- low range maximum: ±1% ±10 µA
- Current Set vs. Output Current Accuracy
- high range typical: ±1 % ±50 µA
- high range maximum: ±1% ±100 µA
- low range typical: ±1 % ±5 µA
- low range maximum: ±1% ±10 µA
- Output Connector
DB37 Multipin
Compare
Compare with High Voltage Power Supply.
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Ordering Options
| Code | Description |
|---|---|
| WA1625BNXAAA | A1625BN - SYx527 negative individual floating 8 ch 1000 V/25-2.5 mA (20 W) board RoHS |
| WA1625BPXAAA | A1625BP - SYx527 positive individual floating 8 ch 1000 V/25-2.5 mA (20 W) board RoHS |
| WA1625BMXAAA | A1625BM - SYx527 mixed polarity individual floating 8 ch 1000 V/25-2.5 mA (20 W) board RoHS |
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