Test System Components: Amplifiers & Current Sources

BND-7100 20kV AC/DC Four-Quadrant High Voltage Amplifier

The BND-7100 is a 20kV AC/DC four-quadrant high voltage amplifier developed by BONAD for precision signal amplification in high-voltage research and industrial testing environments.

It converts low-level input signals into stable, high-voltage outputs up to ±10kV (20kVp-p), enabling accurate excitation of capacitive and inductive loads. With advanced protection mechanisms and programmable control, BND-7100 is suitable for both standalone operation and integration into complete test systems.

Brand: SZBONAD

Product Number: BND-7100

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20kV High Voltage Amplifier Manufacturer – BONAD Test Equipment

Key Features

20kV AC/DC High Voltage Output

  • Maximum output voltage: 20kVp-p (±10kV).
  • Bandwidth (-3 dB): DC to 1.2 kHz.
  • Supports both static DC bias and dynamic AC excitation.

Four-Quadrant Operation

BND-7100 supports true four-quadrant output, allowing the amplifier to source and sink current simultaneously.
This capability ensures stable performance when driving:

  • Capacitive loads.
  • Inductive loads.
  • Loads with reverse current or rapidly changing impedance.

Programmable Voltage Gain

  • Digitally controlled gain with 1-step / 10-step adjustment.
  • One-button storage of commonly used settings.
  • Real-time gain display on LCD panel for fast and repeatable setup.

Advanced Output Protection

  • Short-circuit protection.
  • Overcurrent protection.
  • Current-limited output mode.

Even in the event of load breakdown or sudden current fluctuations, the amplifier maintains stable operation, making it especially suitable for highly capacitive or unstable loads.

Voltage Monitoring Interface

A dedicated voltage monitor output allows direct connection to an oscilloscope, enabling:

  • Real-time monitoring of output voltage.
  • Faster debugging and validation.
  • Improved test efficiency and repeatability.

Master–Slave Synchronization

BND-7100 supports master–slave operation, allowing multiple units to be cascaded for:

  • Multi-channel synchronized output.
  • Scalable high-voltage test platforms.
  • Centralized control via a single master unit.

Typical Applications

BND-7100 is widely used in high-voltage precision applications, including:

  • Digital microfluidics and lab-on-chip systems.
  • Plasma and dielectric barrier discharge (DBD) research.
  • Dielectric elastomer and electroactive polymer testing.
  • Electrostatic deflection and actuation.
  • Electrohydrodynamic (EHD) printing.
  • High-voltage cable and insulation testing.
  • Laser modulation and electro-optic systems.
  • Electrophoresis and dielectrophoresis.
  • Materials polarization and characterization.

Technical Specifications

Model BND-7100
Channels Single Channel
Output Type Single-ended
Bandwidth (-3dB) DC ~ 1.2 kHz
Maximum Output Voltage 20 kVp-p (±10 kVp)
Maximum Output Current 1 mA (DC ~ 50 Hz) 2 mA (>50 Hz)
Maximum Output Power 20 Wp
Fuse 4 A / 250 V
Voltage Gain ×0 ~ 2000 (1 step / 10 step)
Load RL Limit ≥10 MΩ (DC ~ 50 Hz) ≥5 MΩ (>50 Hz)
Output Resistance 10 kΩ
Input Resistance 10 kΩ
Input Amplitude 0 ~ 10 Vp-p MAX
Output Voltage Accuracy ≤ ±3% @ (DC, 10 kV)
Voltage Monitoring 0.5 mV/V (±5% @ Output, FS)
Current Monitoring 1000 V/A (±5% @ Output, FS)
Slew Rate ≥ 53 V/μs
DC Offset ±10000 V (1 V step / 10 V step)
Total Harmonic Distortion (THD) ≤ 1% @ 1 kHz, 16 kVp-p
Output Voltage Drift ≤ ±2 V
Output Connector High Voltage Connector
Remote Control Interface USB
Output Protection Short-circuit protection, Overcurrent protection
Protection Mode Current-limited output
Chassis Connected to power line ground
Supply Voltage AC 110 ~ 240 V, 50/60 Hz
Operating Temperature 0°C ~ 45°C
Storage Temperature -20°C ~ 50°C
Operating Humidity ≤80% RH, non-condensing
Warranty 3 years
Dimensions (W×H×D) 440 × 194 × 634 mm
Accessories Power cable ×1, BNC cables ×3, High-voltage output cable ×1 set, USB cable ×1, Fuse ×1, User manual, Guide, Certificate of Conformity, Calibration Certificate, Packing list ×1 each

Control & Interface

  • Independent high-voltage output ON/OFF switch.
  • BNC enable interface.

Local Control

  • BNC shorting cap connected → output enabled.
  • BNC shorting cap removed → output disabled.

TTL Control

  • 0 V (Low level) → output enabled.
  • 5 V (High level) → output disabled.

This design ensures safe and reliable integration into automated systems and laboratory environments.

System Integration & Combined Test Solutions

The BND-7100 can be used as a standalone high voltage amplifier or as a high-voltage excitation module within integrated test systems.
It is commonly combined with BONAD battery testing, electrical safety, and environmental test equipment, where BND-7100 provides controlled high-voltage drive while other systems handle measurement, safety evaluation, or environmental stress.

This modular role allows seamless integration into existing test workflows without replacing core test instruments.

Why Choose BND-7100?

  • Designed for precision high-voltage signal amplification.
  • Stable four-quadrant operation for complex loads.
  • Robust protection for long-term reliability.
  • Seamless integration into BONAD test systems.
  • Ideal for laboratories and manufacturers seeking complete, system-level test solutions.

Contact & Support

If you are looking for a 20kV high voltage amplifier that can operate independently or as part of an integrated test system, BND-7100 is a proven solution.

Contact BONAD to discuss your application requirements or request technical support.

FAQ – 20kV AC/DC Four-Quadrant High Voltage Amplifier

What is the BND-7100?

The BND-7100 is a 20kV AC/DC four-quadrant high voltage amplifier designed to amplify low-level signals into precise high-voltage outputs for capacitive and inductive loads.

Can BND-7100 be used with BONAD battery or safety test systems?

Yes. It can serve as an external high-voltage excitation module, while BONAD battery testers or safety instruments handle measurement, monitoring, and safety evaluation.

Can BND-7100 operate standalone?

Yes. It can operate independently for laboratory or component testing, providing high-voltage AC/DC signals without additional test equipment.

What safety features does BND-7100 include?

BND-7100 has short-circuit protection, overcurrent protection, and current-limited output modes, ensuring safe operation even under abnormal load conditions.

What applications is BND-7100 suitable for?

It is ideal for microfluidics, plasma research, dielectric materials, electrostatic actuation, high-voltage insulation testing, and other integrated laboratory or industrial test workflows.

What are the delivery and after-sales support options for BND-7100?

BND-7100 is shipped worldwide with secure packaging, and BONAD provides technical support, calibration guidance, and warranty services to ensure smooth installation and operation.

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