Preamplifiers
Preamplifiers
We have a range of high-performance, low-noise preamplifiers that are ideal for a wide variety of applications including low-temperature measurements, optical detection, and audio engineering
⤑ Read MorePreamplifiers
-
SRS SR560 Low-Noise Voltage Preamplifier
Special Price £2,966.26 £3,559.51 Regular Price £3,058.00 £3,669.60- 4 nV/√Hz input noise
- 1 MHz bandwidth
- Variable gain from 1 to 50,000
- AC or DC coupled
- Two configurable signal filters
- Differential and single-ended inputs
- Line or battery operation
- RS-232 interface
-
SRS SR570 Low Noise Current Preamplifier
Special Price £3,253.38 £3,904.06 Regular Price £3,354.00 £4,024.80- 5 fA/√Hz input noise
- 1 MHz maximum bandwidth
- 1 pA/V maximum gain
- Adjustable bias voltage
- Two configurable signal filters
- Variable input offset current
- Line or battery operation
- RS-232 interface
-
SRS SR446 - 400 MHz Preamplifier
Special Price £1,911.87 £2,294.24 Regular Price £1,971.00 £2,365.20- DC to 400 MHz bandwidth (all gain settings)
- Differential output
- 0.3 dB gain flatness
- 3.3 nV/√Hz input noise (@1 MHz)
- Voltage gain to from ×1 to ×100
- 50 Ω input and output impedance
- USB computer interface
-
SRS SR445A Quad 350 MHz Preamplifier
Special Price £1,336.66 £1,603.99 Regular Price £1,378.00 £1,653.60- 4 independent channels
- DC to 350 MHz bandwidth
- 1 ns rise/fall time
- 6.4 nV/√Hz input noise
- Voltage gain to 625
- 50 Ω input and output impedance
- 3 ns overload recovery
- Excellent phase linearity
-
SRS SR550 FET Input Preamplifier
- 3.6 nV/√Hz input noise
- FET input, 100 MΩ input impedance
- Gain of 1, 2, 5 or 10
- Single-ended and differential inputs
- AC coupled input
- Powered by SRS lock-in amplifiers
- High common mode rejection
-
SRS SR552 BJT Input Preamplifier
- 1.4 nV/√Hz input noise
- BJT input, 100 MΩ input impedance
- Gain of 10, 20, 50 or 100
- Single-ended and differential inputs
- AC coupled input
- Powered by SRS lock-in amplifiers
-
SRS SR554 Transformer Preamplifier
- Transformer-coupled input
- 0.1 nV/√Hz input noise
- 0.1 Hz to 40kHz bandwidth
- Gain of 100 or 500
- Single-ended and differential inputs
- >40 dB isolation from DC to 500 MHz
- Powered by SRS lock-in amplifiers
-
SRS SR555 Current Preamplifier
- 10V/µA fixed gain
- 120 kHz bandwidth
- Bias voltage input
- Powered by SRS lock-in amplifiers
-
SRS SR556 Current Preamplifier
- 1 V/nA fixed gain
- 5 fA/√Hz input noise
- Bias voltage input
- Powered by SRS lock-in amplifiers
