The Kepco BOP20-10M is a 200 W bipolar operational power supply and amplifier delivering ±20 V and ±10 A output with four-quadrant operation. It functions simultaneously as both a precision voltage and current source/sink, capable of sourcing and sinking 100% of its current rating. The unit sustains DC operation and replicates arbitrary AC waveforms, making it suitable for demanding laboratory and industrial control applications requiring high-speed voltage and current programming.
– Technical Specifications
• Output voltage: ±20 V
• Output current: ±10 A
• Power rating: 200 W
• Voltage slew rate: 2 V/µs
• Current slew rate: 0.4 A/µs
• Voltage mode closed-loop gain (GV): 2.0 V/V
• Current mode closed-loop gain (GI): 1.0 A/V
• Output impedance (voltage mode): 40 mΩ series resistance, 50 µH series inductance
• Output impedance (current mode): 20 kΩ shunt resistance, 0.1 µF shunt capacitance
• Input power: 125 V AC
– Key Features
• Separate control circuits with automatic crossover to voltage and current limits
• Fully rated as both power supply and high-powered operational amplifier
• Four-quadrant output capability enabling source and sink operation
• Remote voltage control via potentiometer programming
• 50-terminal user port for direct access to all controls and flag signals
• 3/4 rack-width format, rack-mountable with RA 37 adapter
• Load stability design optimized for resistive loads at full high-speed performance
– Load Considerations
The BOP20-10M is engineered primarily for resistive loads. Capacitive loads exceeding 0.1 µF require external film capacitors on the programming connector to prevent oscillation. Inductive loading stability can be optimized using special terminals on the user port. Modified versions (BOP20-10ML/DL) provide stability with inductive loads up to 1 Henry.
– Integration Options
Digital display capability is available by substituting suffix “D” for “M.” GPIB control is supported through IEEE 488.2 interfaces: BIT 4882 (12-bit) and BIT 4886 (16-bit). Serial bus control via TMA-27 enables long-range operation on Kepco’s serial network.
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