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Categories: Amplifiers, Lock-in Amplifiers
Manufacturer: Stanford Research Systems
Model: SR850
Condition: Used
Seller: Valuetronics International Inc
Stanford Research SR850 The SR850 is a 102 kHz Lock In Amplifier from Stanford Research.
The SR850 is a 102 kHz Lock In Amplifier from Stanford Research. Amplify RF and Microwave signals to measure, test, and design circuits. Applications include radio communications, cellphones, EMI testing, and much more.
The SR850 is a digital lock-in amplifier based on an innovative DSP (Digital Signal Processing) architecture. The SR850 boasts a number of significant performance advantages over traditional lock-in amplifiers—higher dynamic reserve, lower drift, lower distortion and dramatically higher phase resolution. In addition, the CRT display and 65,536 point memory make it possible to display and process data in a variety of formats unavailable with conventional lock-ins. At the input of the SR850 is a precision 18-bit A/D converter which digitizes the input signal at 256 kHz. The A/D converter, together with a high-speed DSP chip, replace the analog demodulator (mixer), low pass filters and DC amplifiers found in conventional lock-ins. Instead of using analog components, the SR850 is implemented by a series of precise mathematical calculations which eliminate the drift, offset, nonlinearity and aging inherent in analog components. The same DSP chip digitally synthesizes the reference oscillator providing a source with less than -80 dBc distortion, 100 mHz frequency resolution and 2 mV of amplitude resolution. Features: 1 mHz to 102.4 kHz frequency range >100 dB dynamic reserve 0.001 degree phase resolution Time constants from 10 µs to 30 ks (up to 24 dB/oct rolloff) Auto gain, phase, reserve and offset Data logging (up to 65k samples) Smoothing, curve fitting & statistics GPIB, RS-232 and 3.5" disk drive
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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 SR850
Description: