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NICE-POWER R-SPS1005 Adjustable DC Power
Supply and Bench Power Supply 100V 5A 500W for
Analog Circuit Bias Supply
The NICE-POWER R-SPS1005 Adjustable DC Power Supply provides a regulated DC source for analog circuit biasing, prototype development, and laboratory testing. With a 0–100V output range, up to 5A current, and 500W rated power, this bench power supply supports compatible transistor circuits, analog amplifier boards, and other DC-powered electronic prototypes. Adjustable output settings and voltage, current, and power readings help users manage the supply conditions during circuit evaluation.
Key Features
Adjustable DC Voltage for Analog Circuit Bias Supply
Set the DC output voltage according to the supply requirements of the analog circuit under test. The 0–100V adjustment range supports a variety of compatible circuit designs for bias experiments and prototype power-up. Check the circuit's specified supply voltage, polarity, and component ratings before applying power.
500W Regulated DC Power for Bench Testing
The R-SPS1005 delivers up to 100V, 5A, and 500W within its rated operating limits. This output capacity supports laboratory tasks that require an adjustable DC source for analog circuit development and troubleshooting. Select voltage and current settings appropriate to the connected circuit and remain within the power supply's ratings.
Voltage, Current, and Power Display
The four-digit display provides voltage and current readings, while the power display helps users observe the power supply's output during testing. These readings help monitor the supply conditions when powering an analog prototype. They do not directly measure transistor bias points, individual branch currents, amplifier gain, or signal distortion; use appropriate external test instruments for circuit-level measurements.
Constant Voltage and Constant Current Operation
The R-SPS1005 supports constant-voltage (CV) and constant-current (CC) operation. The power supply switches operating modes according to the output conditions and selected settings. This helps provide DC power under appropriate voltage and current limits, but it does not automatically calculate or regulate transistor bias points.
Front-Panel Adjustment and Output ON/OFF
The front-panel encoder knob allows users to adjust the output settings, and the output ON/OFF control provides a convenient way to enable or disable the DC output during bench work. Users can set the required supply level before powering an analog circuit and switch the output off before changing connections.
Front and Rear Output Terminals
The R-SPS1005 provides front and rear output terminals for different bench setups. According to the series specifications, the front-panel output is intended for use below 5A, while the rear output can be used for full-power operation. Select the appropriate terminals and cables for the intended current and follow the product manual for safe connections.
Applications
Transistor Bias Circuit Evaluation
Supply adjustable DC power to compatible transistor bias circuits during development and laboratory experiments. Monitor the power supply output while using a multimeter or other suitable instrument to measure transistor terminal voltages and evaluate the circuit's operating point.
Analog Amplifier Board Power-Up
Power compatible analog amplifier boards during initial bring-up and troubleshooting. Set the DC output according to the board's input requirements, then observe the supply's voltage, current, and power readings while checking circuit operation with appropriate test equipment.
Analog Signal Conditioning Circuit Development
Provide DC input power to compatible analog signal conditioning circuits and prototype boards. The adjustable DC output supports development setups with different supply-voltage requirements. Use an oscilloscope or other suitable instrument when evaluating signal waveforms, gain, noise, or distortion.
Analog Electronics Prototype Troubleshooting
Use the R-SPS1005 as a regulated DC source when investigating power-related issues in analog circuit prototypes. Observe changes in the supply's output readings during power-up and troubleshooting. The power supply does not independently identify circuit faults or measure individual component parameters.
Laboratory Biasing Experiments and Electronics Education
Support practical experiments involving DC bias networks, transistor operating points, and analog circuit power requirements. The adjustable output allows users to apply a suitable DC supply voltage while external measurement instruments are used to examine the circuit's response.
Quality Check and Terms of Service:
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Package Includes: DC Power Supply × 1, Output Power Cord × 1, Input Power Cord × 1, User Manual × 1, Warranty Card × 1.
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Certifications: Has passed CE & FCC Certification.
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Quality Inspection: All DC power supplies and accessories are inspected before shipment to ensure good quality.
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Customer Support: Contact us with any questions, and we'll respond within 24 hours.
Technical Specifications
| Parameter |
Specification |
| Model |
R-SPS1005 |
| Product Type |
Adjustable Regulated DC Power Supply |
| Application |
Analog Circuit Bias Supply |
| Rated Output Voltage |
0–100V |
| Rated Output Current |
0–5A |
| Rated Output Power |
500W |
| Operating Temperature |
0°C–40°C |
| Load Regulation — Voltage |
≤0.1% + 10mV |
| Load Regulation — Current |
≤0.1% + 2.5mA |
| Line Regulation — Voltage |
≤0.01% + 2.5mV |
| Line Regulation — Current |
≤0.1% + 2.5mA |
| Voltage Setting Resolution |
10mV |
| Current Setting Resolution |
10mA |
| Voltage Readback Resolution |
10mV |
| Current Readback Resolution |
10mA |
| Voltage Setting Accuracy |
≤0.05% + 10mV |
| Current Setting Accuracy |
≤0.01% + 10mA |
| Voltage Readback Accuracy |
≤0.05% + 10mV |
| Current Readback Accuracy |
≤0.01% + 10mA |
| Voltage Ripple (20Hz–20MHz) |
≤200mVp-p / ≤20mVrms |
| Current Ripple (20Hz–20MHz) |
≤20mArms |
| Rise Time — No Load |
≤150ms |
| Rise Time — Full Load |
≤200ms |
| Fall Time — No Load |
≤15s |
| Fall Time — Full Load |
≤50ms |
| Dynamic Response |
≤20ms |
| Efficiency |
≥85% |
| Product Dimensions |
Approx. 26.5 × 18.5 × 8cm |
| Net Weight |
Approx. 2.8kg |
| Package Dimensions |
38 × 24.5 × 12.5cm |
| Package Weight |
Listed for the series as 3 / 3.3 / 3.5kg depending on model and configuration; confirm the exact model weight before publishing |
Why Choose NICE-POWER R-SPS1005 for Analog Circuit Bias Supply?
The NICE-POWER R-SPS1005 combines a 0–100V adjustable DC output, up to 5A current, and 500W rated power for analog circuit development and laboratory bench testing. Its voltage, current, and power display, CV/CC operation, and front/rear output terminals support practical DC power delivery for bias experiments, amplifier board power-up, and prototype troubleshooting.
For reliable circuit evaluation, select output settings based on the circuit design and component ratings. Use suitable external instruments to measure transistor bias voltages, branch currents, and signal characteristics. The R-SPS1005 supplies DC power and displays its own output readings; it is not an automatic bias controller or analog signal analyzer.
