Stanford Research Systems SR560 Overview
The Stanford Research SR560 is a high-performance, Low-noise Preamplifier that is ideal for a wide variety of applications including low-temperature measurements, optical detection, and audio engineering. The SR560 has a differential front end with 4 nV/(square root Hz) input noise and an input impedance of 100 Megohm. The SR560 operates from Dc to 1 MHz. Gains from 1 to 50,000 in a 1-2-5 sequence are available. Outputs are into 50 or 600 ohms. Internal lead-acid batteries provide up to 15 hours operation.