APD E1 Series: Programmable High Voltage up to 8 kV
Analytical instruments, detectors and high-resolution measurement systems require a high-voltage source that can be adjusted precisely and remains stable despite changes in load or input voltage. The APD E1 Series provides 1 W of regulated high voltage and covers positive and negative output voltages from 100 to 8,000 VDC.
The output can be programmed from 0 to 100% using an analogue 0–5 VDC signal. Low ripple, good line and load regulation, external calibration capability and six-sided shielding make the series a powerful solution for sensitive electronic systems.
Why use a regulated high-voltage source?
In detectors and measurement transducers, even a small change in supply voltage can affect the output signal. A regulated high-voltage source keeps the selected value largely constant within the permitted input and load variations. This improves reproducibility and simplifies calibration of the complete system.
The 0–5 V programming interface allows control via a DAC, analogue control board or another suitable setpoint source. The accuracy of this source, grounding and filtering all influence the achievable system performance.
APD E1 Series technical specifications
| Parameter | Specification |
|---|---|
| Output power | 1 W |
| Output voltage | Positive or negative outputs from 100 to 8,000 VDC |
| Input range | 11.5–16 VDC |
| Programming | 0–100% via analogue 0–5 VDC |
| Voltage accuracy | 1% |
| Line regulation | 0.05% |
| Load regulation | 0.05% |
| Output ripple | 0.002% P-P |
| Temperature stability | 0.005%/°C |
| Case operating temperature | −10 to +60°C |
| Switching frequency | 180–250 kHz |
| Isolation | None |
| Short-circuit protection | Continuous |
The series uses a six-sided shielded, nickel-plated metal housing and a low-ESR input filter. Housing size and weight vary according to the voltage range. Typical efficiency is approximately 40% for many models, although individual versions may differ.
Suitable applications and target users
- Photomultipliers and radiation-sensitive detectors
- Mass spectrometry and spectroscopy
- Medical and biotechnological analytical instruments
- Materials testing and scientific laboratory setups
- Semiconductor testing and electrostatic measurement technology
- OEM systems requiring analogue-programmable high voltage
The E1 Series is particularly suitable when a wide voltage range up to 8 kV is required and regulation with low ripple is a priority. The F1 Series may be more suitable for extreme ambient temperatures, while the J3 Series offers 3 W for straightforward proportional applications.
Selection criteria
- Voltage and polarity: Select the specific model according to the required maximum voltage and load current.
- Programming source: Provide a clean 0–5 V signal with suitable resolution and stability.
- Grounding and isolation: The standard E1 Series does not provide galvanic isolation.
- Power dissipation: Consider efficiency and the thermal installation conditions in the system design.
- High-voltage routing: Match the connection method, clearances, shielding and safety concept to the actual voltage.
Custom APD configurations
APD manufactures a broad range of standardised high-voltage converters and also evaluates customer-specific requirements. If the output voltage, input, programming interface, housing, connection method or electrical characteristics of a standard model do not fit, a customised solution can be developed.
High Voltage (HVPS) Condatas AG supports preliminary selection and technical coordination. For a quick assessment, provide the voltage, polarity, current, ripple, regulation accuracy, programming signal, temperature range, isolation, dimensions, certification requirements and expected quantity.
Discover further solutions in our product overview or send us your specification via our contact page.
