Description
Real devices rarely run on one voltage. The Rohde & Schwarz NGP814 supply is a four-channel DC power supply that mixes two 32 V outputs with two 64 V outputs, with up to 800 W in total. Lost in HCM lists it for rental and sale, so one instrument can serve a mixed-voltage setup.
Two voltage classes in one box
| Channels | Voltage range | Maximum current |
|---|---|---|
| CH1 and CH2 | 0 V to 32 V | 20 A |
| CH3 and CH4 | 0 V to 64 V | 10 A |
Each channel is limited to 200 W. At 64 V that equals 3.125 A, and at 32 V it equals 6.25 A. Therefore, the maximum voltage and the maximum current never appear together. Confirm each channel’s range before you wire a load.
Matching channels to loads
Put the lower-voltage, higher-current rails on CH1 and CH2. Then use CH3 and CH4 for loads that need up to 64 V. For example, a logic rail and a higher-voltage bias rail can share one bench. Record the normal voltage, the steady current and the startup current of each rail, then compare the total with the 800 W limit.
Control and logging
USB and LAN are standard. Optional interfaces need confirmation before you order. In addition, the QuickArb function and data logging support repeatable stimulus and measurement runs. If you plan an automated sequence, check the command support and the software environment first.
Jobs for a Rohde & Schwarz NGP814 supply
- Prototype boards that combine low-voltage logic with a higher-voltage stage.
- Test fixtures that need two voltage classes at once.
- Comparison runs where you log current on each rail.
Rent or buy the Rohde & Schwarz NGP814 supply
A rental covers a project or a trial before purchase. Buying suits a lab that keeps this mix of rails busy. For repair, send the serial number, the symptoms, error messages and photos. SMK Vietnam only hosts the listing, while Lost in HCM supplies the unit.
The manufacturer order number is 5601.4007.04. Please request a quote from Lost in HCM with your dates, site and load description. Related listings sit in power supplies. The Rohde & Schwarz website has official data, and you can contact SMK Vietnam with questions.
NGP814 questions
Which channels give 64 V?
CH3 and CH4. CH1 and CH2 cover 0 V to 32 V.
How much current can CH3 give at 64 V?
Roughly 3.125 A, because the 200 W channel limit applies at 64 V.
Can I use all four channels at once?
Yes, within the 200 W limit per channel and the 800 W total.
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