We are closed from August 1, 2025 to August 17, 2025. Orders placed during this time will be processed starting on August 18, 2025.
Loading...
QPS100 Low noise linear power supply





Koheron QPS100 is a linear power supply that can drive up to 2 A. Its low noise helps getting the full performance of critical analog components (amplifiers, data converters, oscillators, phase lock loops, ...).
From 120 €
Resources
Specifications
QPS100N-5 | QPS100P-5 | |
---|---|---|
Output voltage | -5 V (adjustable from -15 V to -2 V, see user guide) | 5 V (adjustable from 2 V to 15 V, see user guide) |
Current driving capability | 2 A | 2 A |
Voltage noise density1 kHz | 1.7 nV/√Hz | 1.1 nV/√Hz |
RMS noise10 Hz to 1 MHz | 1.8 µVrms | 1.5 µVrms |
Temperature coefficient | 20 ppm/°C | 10 ppm/°C |
Load regulation | 0.5 % | 0.5 % |
Supply voltage | -7 V to -5.5 V, nom. -6 V | 5.5 V to 7 V, nom. 6 V |
Operating temperature | -20 °C to 70 °C | -20 °C to 70 °C |
Weight | 14 g | 14 g |
Outside dimensions | 73 mm x 25 mm x 11 mm | 73 mm x 25 mm x 11 mm |
Voltage noise density
The figure below shows the voltage noise density of QPS100P (5 V output voltage).

Short-term stability
The figure below shows the stability of QPS100P-5 (5 V output voltage) over one hour when driving 2 A.

Temperature stability
The figure below shows the temperature stability of QPS100P-5 (5 V output voltage).

Load regulation
The figure below shows the output voltage versus output current of QPS100P-5 (5 V output voltage).

Load transient response
The figure below shows the load transient response of QPS100P-5 (5 V output voltage).
