SR550 - FET Input Voltage Preamplifier
SR550
3.6 nV/√Hz input noise FET input, 100 MΩ input impedance Gain of 1, 2, 5 or 10 Single-ended and differential inputs Powered by SRS lock-in amplifiers
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说明
3.6 nV/√Hz input noise FET input, 100 MΩ input impedance Gain of 1, 2, 5 or 10 Single-ended and differential inputs Powered by SRS lock-in amplifiers High common mode rejection 100 MΩ (FET) input impedance Single-ended & differential inputs Powered by SRS lock-ins The SR550 Voltage Preamplifier is designed to work with any SRS lock-in amplifier . Preamplifiers provide gain close to the experimental detector, before the signal-to-noise ratio is permanently degraded by cable capacitance and pickup. The preamplifier minimizes noise and pickup in the connecting lines and reduces measurement time in noise-limited experiments. Signal Recovery with PMTs SR865A Lock-In Amplifier SR830 Lock-In Amplifier SR2124 Lock-In Amplifier SR860 Lock-In Amplifier Signal Recovery — PMTs SR865A Lock-In Amp. SR830 Lock-In Amp. SR2124 Lock-In Amp. SR860 Lock-In Amp. SR550 FET Preamplifier The SR550 Voltage Preamplifier is designed to work with any SRS lock-in amplifier . Preamplifiers provide gain close to the experimental detector, before the signal-to-noise ratio is permanently degraded by cable capacitance and pickup. The preamplifier minimizes noise and pickup in the connecting lines and reduces measurement time in noise-limited experiments . When used with the SR510 or SR530, the preamplifier gain is automatically chosen to optimize noise performance without compromising dynamic reserve. When used with the any SRS lock-in , the preamplifier gain is automatically set to its maximum value. Power and control signals are brought from the lock-in by a 9-pin cable (included) . The SR550 may also be operated independently from the lock-ins by applying appropriate biasing (±20 VDC, +5 VDC). Noise vs. Frequency X Noise vs. Frequency SR550 FET Preamplifier SR550 Specifications Single-ended or differential 250 mVrms for overload 100 VDC, 10 VAC damage threshold 3.6 nV/√Hz at 1 kHz 4.0 nV/√Hz at 100 Hz 13 nV/√Hz at 10 Hz 90 dB at 100 Hz, 1 V input 1, 2, 5, 10 (automatically set by SR510 or SR530 lock-in amplifier) 2 % (2 Hz to 100 kHz) A (signal, 600 Ω, single-ended) B (shielded ground) Supplied by SR510, SR530, SR810, SR830 or SR850 or SR2124 via control cable 3.0" × 1.3" × 5.1" (WHL) One year parts and labor on defects in materials and workmanship
规格
| 技术参数 | 3.6 nV/√Hz input noise |
|---|---|
| 技术参数 | FET input, 100 MΩ input impedance |
| 技术参数 |
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