SRS SIM914 350 MHz Preamplifier
Product Code:
15019
Manufacturer: Stanford Research Systems
- DC to 350 MHz bandwidth
- Two independent amplifier channels
- Voltage gain of 5 (14 dB) per channel
- 6.4 nV/√Hz input noise
- 3 ns overload recovery
- Excellent phase linearity
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Additional 12 months warranty for free (2 years total) via our UK Service Centre.
The Stanford Research Systems SIM914 dual channel 350 MHz preamplifier contains two wide bandwidth, DC coupled amplifiers, each with a gain of 5 (14 dB). Its fast rise time, low noise, and excellent DC accuracy make it an ideal instrument for amplifying signals like those from photomultiplier tubes and photodiodes.
The gain stages on the SRS SIM914 can be cascaded multiple times without creating oscillation problems. Input clamping gives a 3 ns recovery time from a 10x overload.
A wide bandwidth and 50 Ω input and output impedance ensure a linear phase response across the entire frequency range, preserving pulse shapes.
| Amplifier channels | 2 |
| Inputs, outputs | 50 Ω, DC coupled |
| Bandwidth | DC to 350 MHz (1 ns rise/fall time) |
| Voltage gain | 5 per channel (14 dB) |
| Input noise | 6.4 nV/√Hz (typ.) |
| Operating range | ±200 mV (inputs), ±1 V (outputs) |
| Propagation delay | 2.7 ns (typ.) |
| Recovery time | 3 ns for 10× overload |
| Input protection | ±50 V for <1 µs |
| Output clamp | ±1.6 V |
| Output overload detect | ±1.3 V |
| Crosstalk | -60 dB |
| Operating temperature | 0 °C to 40 °C, non-condensing |
| Connectors | BNC (4 front), DB15/M SIM interface |
| Power | Powered by SIM900 Mainframe, or a user-provided DC power supply (+5 V) |
| Weight, dimensions | 1.4 lbs., 1.5" × 3.6" × 7.0" (WHD) |
| Warranty | One year parts and labour on defects in materials and workmanship |
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