The LIA / PS-1 is a combination lock-in amplifier and low noise power supply which powers Sciencetech's detectors to the receiver preamplifiers. In addition, the PS-1 works well as a general purpose, dual - polarity laboratory power supply.

Technical Specifications Power Supply
Specifications:
Output Voltage: +/- 15V Output Current: +/- 100 mA
Regulation: 0.02 % line & load
Ripple: 0.5 mV RMS max output
Connections: One 9-pin Dee-plug Connector
Input Power: 120 VAC/0.5 A & 240 VAC/0.5A

Technical Specifications Lock-in Amplifier
Sensitivity 10 uV (for 1 volt output)
Dynamic Range 0 – 60 db
Input Noise 8 nv @ 500 Hz
Gain Adj 1 – 1000
Gain Stability 100 ppm / C
Time Constant 10 ms – 1 s
Max Inputs Range +/- 10 V
Input Impendance 10K ohms @ 500 Hz
Reference Input TTL / sinusoidal
Phase Select 0 / 180
Phase Drift 0.1 / 0 C
Power +/- 15 VDC
Enclosure 6” x 7” x 2.75”
Temperature Range 0 – 70 deg C