Kepco BOP50-8M

The Kepco BOP50-8M is a 400W bipolar operational power supply delivering precise four-quadrant voltage and current control across ±50V and ±8A output ranges. This high-speed power operational amplifier sources and sinks 100% of its current rating, enabling dynamic test and simulation scenarios with automatic crossover between voltage and current modes. The unit combines fast response—7.5 V/µs slew rate and 15 µs rise/fall time in voltage mode—with stable operation into resistive, inductive, and capacitive loads through integrated compensation networks and optional load-stabilization terminals.

## Technical Specifications

• Output Power: 400W
• Voltage Range: 0 to ±50V
• Current Range: 0 to ±8A
• Voltage Slew Rate: 7.5 V/µs (voltage mode)
• Bandwidth: 16 kHz (−3 dB, voltage mode); 23 kHz (−3 dB, BOP50-8ML/DL)
• Rise/Fall Time: 15 µs (voltage mode, BOP50-8ML/DL)
• Load Effect: 7 ppm/Hz
• Series Resistance: 125 µΩ
• Series Inductance: 100 µH
• Shunt Resistance: 50 kΩ
• Shunt Capacitance: 0.15 µF
• Inductive Load Stability: Up to 1 Henry (BOP50-8ML/DL modified versions); standard BOP50-8M stable with any R-L series load combination

## Key Features

• Automatic crossover between voltage and current control modes
• Four-quadrant operation with full ±8A bidirectional current capability
• Dual independent control circuits with automatic limit switching
• Capacitive load stabilization via feedback capacitance adjustment (terminals 12 and 14, rear programming connector)
• Special current-mode terminals for optimized inductive loading performance

## Typical Applications

Dynamic power simulation, battery emulation, transient testing, power amplifier characterization, and precision load conditioning in laboratory and production environments.

## Compatibility & Integration

All controls and status signals route through a 50-terminal rear user port. Optional digital display models available (BOP50-8D suffix). Remote command interfaces include RS232 (BIT 232, obsolete), IEEE 488 (BIT 488), IEEE 488.2 (BIT 4882-F), IEEE 488.2 SCPI (BIT 4886), serial bus long-range control (BIT TMA-27, >300m range), and Ethernet with web interface and SCPI support (BIT 802E). Bench or rack mounting.