Switching Power Supply

INTRODUCTION：

NS-28SW is an efficient,compact, and light-weighted switching power supply. It is designed to minimize the noise for the radio communication equipment. even when the noise occurs, it can be eliminated by the noise-offset control. Other convenient functions like voltage pre-set knob and a highly visible back-lit meter are all inculded in this standard power supply.

Front Panel：

• 1. Power switch
• 2. Noise off-set volume control
• 3. Voltage adjustment:
• 4. Meter
• 5. Output control switch
• 6. Meter switch
• 7. Meter calibration (zero position)

Rear panel：

• 8. Output terminal
• 9. Cooling fan
• 10. Fuse

SPECIFICATIONS：