B&K Precision Corporation
22820 Savi Ranch Parkway, Yorba Linda, CA 92887
Tel: 714-921-9095, Fax: 714-921-6422
www.bkprecision.com
Specifications subject to change without notice
Data Sheet
Models 9120, 9121,
9122
Single Output Programmable
DC Power Supplies
Models 9120, 9121, 9122
Single Output Programmable DC Power Supplies
The 9120 series power supplies are designed to meet the needs of today's applications in R&D design verification, university labs, production testing, and other applications that require clean/reliable power and excellent performance. With meter resolution of 10mV and 1mA, these power supplies are ideal for low power surface
mount circuits that require very precise voltage and current settings.
New microprocessor control circuitry allows these power supplies to offer unmatched temperature stability and remarkably
fast transient response times with a load regulation of 0.01% + 3mV. These power supplies are smart enough to power-up
in to the same state they were when they were powered off. This allows the units to go back to work as soon as power is
restored whether the power-off was intentional or caused by a power outage. There is enough non-volatile memory to store
up to 100 power supply settings allowing quick and easy testing when multiple voltage and current values are required.
■ 10mV & 1mA Display Resolution
■ RS 232 Interface
■ SCPI Compatible
■ Remote Sensing
■ Front and Rear Output Terminals
■ Low Noise
■ Excellent Regulation
■ Rock Solid Temperature Stability
■ Fast Transient Response Time
■ Closed Case Calibration
9120 9121 9122
Output Voltage 0-30V 0-20V 0-60V
Output Current 0-3A 0-5A 0-2.5A
Voltage Regulation
Load (Utilizing Remote Sensing) ≤ 0.01% + 3mV
Ripple & Noise ≤ 0.5mVrms & 5mVp-p ≤1mVrms & 8mVp-p
Metering
Type Backlit LCD
Voltmeter Resolution 10mV
Voltmeter Accuracy ≤0.05% + 5mV
Current Meter Accuracy ≤ 0.15 + 5mA
Current Meter Resolution 1mA
Specifications
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