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Categories: Amplifiers, Preamplifiers
Manufacturer: Stanford Research Systems
Model: SR570
Condition: Used
Seller: Valuetronics International Inc
Stanford Research SR570 The SR570 is a 100 kHz Preamplifier from Stanford Research. An
The SR570 is a 100 kHz Preamplifier from Stanford Research. An amplifier is a type of electronic test equipment that amplifies radiofrequency (RF) and microwave signals using the antenna. Amplifiers are ideal when used for electromagnetic interference (EMI) testing, cell phones, microwaves, radio communications, and other such applications.
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. 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. 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. 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.
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Used-Line Dealer since : 1999
Company info
ValueTronics was founded in 1992 as a buyer and seller of used and refurbished test equipment. We now have customers and contacts worldwide and are a supplier to major electronic test equipment users around the world as well as the smaller end users who want to buy, sell, and trade electronic test equipment. Our application engineering and management staff has many years of experience in the sales of new and refurbished electronic test equipment. We can save you time and money with your electronic test equipment acquisition. We have huge inventory of new and used equipment, trained staff, a great customer service reputation and no voice mail or telephone menu system.
We are specialized in
Accessories, Audio/Video, Calibration, Data Acquisition, Generators, Metrology, Optics / FiberOptics, Oscilloscopes & Logic Analyzers, Power Products & Compliance Equipment, RF & Microwave, Telecom, Timers & Counters
Our Services
Rentals, Calibration, Repair, Market place
Our Sales Policy
Most items have a 6 month parts and labor warranty.
Net-30 Terms available, upon credit approval, Wire Transfer, Visa, MC, and AmEx also accepted.
Items are shipped with standard accessories and operating manual. Equipment is tested in our NIST Traceable laboratory.
Delivery is often “Ship Today” with some items taking 5 – 10 business days ARO.
Some other services we offer: Rentals, equipment repair, calibration, consignment, purchase of your equipment, educational programs and trade-in.
Disributor of
BK Precision, Fluke, Keithley, Keysight Technologies (Agilent HP), Tektronix
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Product Specs
(From Used-Line T&M Specifications)
Stanford Research Systems SR570
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