Small Instrumentation Modules SIM983 — Scaling amplifier · Adjustable gain and offset · 3½-digit resolution · 1 MHz bandwidth · Low-noise input · ±10 V operating range SIM983 Scaling Amplifier The SIM983 Scaling Amplifier provides fine adjustable gain and offset control for analog signals. Both gain and offset are set with 3½ digits of resolution, and the signal path has more than 1 MHz of bandwidth. Its low noise, high gain, and high slew rate make the SIM983 a very convenient tool for sensitive analog signal conditioning. The digital control circuitry in the SIM983 is designed with SRS’s special clock-stopping architecture in which the microcontroller is turned on only when switch settings are being changed. This guarantees that no digital noise contaminates low-level analog signals. Specifications Impedance 1 MΩ Bandwidth DC to 1 MHz Input noise (typ.) 45 nV/√Hz @ 1 kHz Offset ±10 V (3½-digit resolution) Max. input ±10 V Stanford Research Systems Gain ±0.01 to ±19.99 Max. output ±10 V THD 0.003 % (90 dB) @ 1 kHz Slew rate 70 V/µs Operating temperature 0 °C to 40 °C, non-condensing Interface Serial via SIM interface Connectors BNC (2 front-panel, 1 rear-panel) DB15 (male) SIM interface Power Powered by SIM900 Mainframe, or by user-provided DC power supply (±15 V and +5 V) Dimensions 1.5" × 3.6" × 7.0" (WHD) Weight 1.5 lbs. Warranty One year parts and labor on defects in materials and workmanship Scaling amplifier