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Stanford Research SR570 Low Noise Current Amp #62914
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Low Noise Current Preamplifier – SR570 – thinkSRS.com
The SR570 is a low-noise current preamplifier capable of current gains as large as 1 pA/V. High gain and bandwth, low noise, and many convenient features …
Source: www.thinksrs.com
Date Published: 6/3/2022
View: 7408
STANFORD RESEARCH SR570 Datasheet
The SR570 is a low-noise current preamplifier capable of current gains as large as 1 pA/V. High gain and bandwth, low noise, and many convenient features make …
Source: www.testequipmenthq.com
Date Published: 4/19/2021
View: 8499
MODEL SR570
The SR570 is a low-noise current preamplifier, proving a voltage output proportional to the input current. Sensitivities range from 1 mA/V down to 1 pA/V. The …
Source: research.physics.illinois.edu
Date Published: 4/25/2021
View: 3879
Current preamplifier – SR570 – benchtop / low-noise
Find out all of the information about the Stanford Research Systems product: current preamplifier SR570 . Contact a supplier or the parent company directly …
Source: www.directindustry.com
Date Published: 9/16/2022
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SR570 Low-Noise Current Preamplifier – GMP SA
SR570 Low-Noise Current Preamplifier. Manufactured by: SRS Stanford Research Systems. Quick Overview. 5 fA/ƒHz …
Source: www.gmp.ch
Date Published: 1/23/2022
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SRS SR570 Low Noise Current Preamplifier Stanford … – eBay
Find many great new & used options and get the best deals for SRS SR570 Low Noise Current Preamplifier Stanford Research Systems at the best online prices …
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Date Published: 7/25/2022
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Stanford Research SR570 Low Noise Current Preamplifier
Product Overview · 5 fA/√Hz input noise · 1 MHz maximum bandwth · 1 pA/V maximum gain · Adjustable bias voltage · Two configurable signal filters · Variable input …
Source: www.axiomtest.com
Date Published: 9/27/2022
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STANFORD RESEARCH SR570 Low Noise Current … – Testwall
The SR570 is a low-noise current preamplifier capable of current gains as large as 1 pA/V. Unit has high gain and bandwth with low noise.
Source: www.testwall.com
Date Published: 7/28/2021
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주제에 대한 기사 평가 stanford research sr570
- Author: Bid Servicellc
- Views: 조회수 1,301회
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- Date Published: 2018. 10. 17.
- Video Url link: https://www.youtube.com/watch?v=xGPoyQC9lvc
Low Noise Current Preamplifier
SR570 Current Preamplifier
The SR570 is a low-noise current preamplifier capable of current gains as large as 1 pA/V. High gain and bandwidth, low noise, and many convenient features make the SR570 ideal for a variety of photonic, low temperature and other measurements.
Gain
The SR570 has sensitivity settings from 1 pA/V to 1 mA/V that can be selected in a 1-2-5 sequence. A vernier gain adjustment is also provided that lets you select any sensitivity in between.
Gain can be allocated to various stages of the amplifier to optimize the instruments performance. The low noise mode places gain in the front end of the amplifier for the best noise performance. The high bandwidth mode allocates gain to the later stages of the amplifier to improve the frequency response of the front end. In the low drift mode, the input amplifier is replaced with a very low input-current op amp, reducing the instrument’s DC drift by up to a factor 1000.
Block Diagram X Block Diagram SR570 Current Preamplifier
Filters
The SR570 contains two first-order RC filters whose cutoff frequency and type can be configured from the front panel. Together, the filters can be configured as a 6 or 12 dB/oct rolloff low-pass or high-pass filter, or as a 6 dB/oct rolloff band-pass filter. Cutoff frequencies are adjustable from 0.03 Hz to 1 MHz in a 1-3-10 sequence. A filter reset button is included to shorten the overload recovery time of the instrument when long filter time constants are used.
Input Offset and DC Bias
An input offset-current adjustment is provided to suppress any undesired DC background currents. Offset currents can be specified from ±1 pA to ±1 mA in roughly 0.1 % increments. The SR570 also has an adjustable input DC bias voltage (±5 V) that allows you to directly sink current into a virtual null (analog ground) or a selected DC bias.
Toggle and Blanking
Two rear-panel, opto-isolated TTL inputs provide additional control of the SR570. A blanking input lets you quickly turn off/on the instrument’s gain which is useful in preventing front-end overloading . A toggle input inverts the sign of the gain in response to a TTL signal allowing you to perform synchronous detection with a chopped signal.
Battery Operation
Three rechargeable lead-acid batteries provide up to 15 hours of battery-powered operation . An internal battery charger automatically charges the batteries when the unit is connected to the line. The charger senses the battery state and adjusts the charging rate accordingly. Two rear-panel LEDs indicate the charge state of the batteries. When the batteries become discharged they are automatically disconnected from the amplifier circuit to avoid battery damage.
No Digital Noise
The microprocessor that runs the SR570 is “asleep” except during the brief interval it takes to change the instrument’s setup. This ensures that no digital noise will contaminate low-level analog signals.
RS-232 Interface
The RS-232 interface allows listen-only communication with the SR570 at 9600 baud. All functions of the instrument (except power on) can be set via the RS-232 interface . The RS-232 interface electronics are opto-isolated from the amplifier circuitry to provide maximum noise immunity.
Low Noise Mode X Low Noise Mode SR570 Current Preamplifier
Low Noise Mode X Low Noise Mode SR570 Current Preamplifier
High Bandwidth Mode X High Bandwidth Mode SR570 Current Preamplifier
Stanford Research Systems
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 SR570 Current Preamplifier The SR570 is a low-noise current preamplifier capable of current gains as large as 1 pA/V. High gain and bandwidth, low noise, and many convenient features make the SR570 ideal for a variety of photonic, low temperature and other measurements. Gain The SR570 has sensitivity settings from 1 pA/V to 1 mA/V that can be selected in a 1-2-5 sequence. A vernier gain adjustment is also provided that lets you select any sensitivity in between. Gain can be allocated to various stages of the amplifier to optimize the instruments performance. The low noise mode places gain in the front end of the amplifier for the best noise performance. The high bandwidth mode allocates gain to the later stages of the amplifier to improve the frequency response of the front end. In the low drift mode, the input amplifier is replaced with a very low input-current op amp, reducing the instrument’s DC drift by up to a factor 1000.
SR570 Low-Noise Current Preamplifier
Description
5 fA/ƒHz 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
The SR570 is a low-noise current preamplifier capable of current gains as large as 1 pA/V. High gain and bandwidth, low noise, and many convenient features make the SR570 ideal for a variety of photonic, low temperature and other measurements.
Datasheet (PDF file)
Rent or Buy Stanford Research SR570 Low Noise Current Preamplifier
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STANFORD RESEARCH SR570 Low Noise Current Preamplifier
The SR570 is a low-noise current preamplifier capable of current gains as large as 1 pA/V. Unit has high gain and bandwidth with low noise.
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