Small Instrumentation Modules SIM954 — 300 MHz dual-channel inverting amplifier · 300 MHz bandwidth · ±10 V output voltage · Up to 1 A output current · <1 dB flatness · 4000 V/µs slew rate · 2 independent channels SIM954 300 MHz Amplifier The SIM954 Amplifier is a 300 MHz, dual-channel inverting amplifier that delivers up to ±10 V of output voltage and up to 1 A of output current. The amplifier can be used to drive many types of light laboratory loads without imposing the limitations and high cost of typical RF power amplifiers. Specifications Bandwidth (–3 dB) DC to 300 MHz Gain 12 dB into 50 Ω (inverting) Gain flatness <1 dB (DC to 100 MHz) Crosstalk –60 dB (at 1 MHz), –40 dB (full BW) VSWR 1.2:1 (DC to 100 MHz) 1.6:1 (DC to 300 MHz) Isolation (output to input) –70 dB (DC to 1 MHz), –40 dB (full BW) Slew rate 4000 V/µs Output amplitude ±10 V (into 50 Ω) Peak output current 1 A (into ≤7 Ω) Stanford Research Systems Average output current 500 mA (sum of both channels) Output impedance 3.3 Ω Input impedance 50 Ω Input offset voltage 1 mV (trimmable) Input bias current 10 µA (trimmable) Operating temperature 0 to 40 °C, non-condensing Interface Serial via SIM interface Connectors BNC (4 front-panel) DB15 (male) SIM interface Power Supplied by SIM900 Mainframe, or optionally by a user-supplied 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 Ordering Information