N9020A MXA Signal Analyzer

Accelerate the Development of Wireless Devices with the Speed, Performance & Applications to Adapt to Evolving Test Requirements

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N9020A MXA Signal Analyzer

8753ES Network Analyzer

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8753ES Network Analyzer

SM200B Spectrum Analyzer

The High Performance SM200B From Signal Hound: High Performance Speed, Accuracy, Security, and Agility Meet Very Low Cost

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7280 - Signal Recovery Lock-in Amplifiers


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  • Model: 7280
  • Manufactured by: Signal Recovery
  • High end frequency limit: 2.00MHz
  • Dynamic Reserve: > 100 dB
  • Min. Time Constant: 1 usec
  • Max. Time Constant: 4 msec
  • Extra Specifications: DUAL PHASE WIDE BANDWIDTH DSP LOCK-IN AMPLIFIER
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Signal Recovery 7280 Overview

The model 7280 DSP Lock-in Amplifier is an exceptionally versatile instrument with outstanding performance. With direct digital demodulation over an operating frequency extending up to 2.0 MHz, output filter time constants down to 1 µs and a main ADC sampling rate of 7.5 MHz it is ideal for recovering fast changing signals. But unlike some other high frequency lock-ins, it also works in the traditional audio frequency band. Naturally, the instrument includes the extended operating modes like dual reference, dual harmonic and virtual reference made popular by the 7260 and 7265, as well as the spectral display mode used to aid reference frequency selection. It also includes GPIB and RS232 interfaces for remote computer control and a range of auxiliary analog and digital inputs and outputs. Software support is available in the form of a LabVIEW driver supporting all instrument functions, and the Acquire™ lock-in amplifier applications software. The driver and a demonstration version of the software, DemoAcquire, are available for download from this site.
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