Tektronix Encore




Signal Recovery 7280
Wide Bandwidth DSP Lock-In Amplifier, 0.5 Hz to 2.0 MHz

Amplifiers - RF and Microwave >> Accessories and Other >> Wide Bandwidth DSP Lock-In Amplifier, 0.5 Hz to 2.0 MHz
Rent Used Test Equipment
Manufacturer: Signal Recovery
Model: 7280

Signal Recovery 7280 Wide Bandwidth DSP Lock-In Amplifier, 0.5 Hz to 2.0 MHz

Electronic Test and Measurement Equipment

Signal Recovery 7280 Wide Bandwidth DSP Lock-In Amplifier, 0.5 Hz to 2.0 MHz Product Datasheet Download Product Datasheet

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Product Overview

The Signal Recovery 7280 Wide Bandwidth 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.

In addition to its excellent technical specifications, it is also very easy to use. The front panel is dominated by a large electroluminescent display panel, used both to show the instrument's outputs and for adjusting its controls via a series of menus. Controls are set by a combination of the use of the keys surrounding the display and the numeric DESCRIPTION Main Display Auto Functions Menu keypad, while four cursor-movement keys simplify use of the graphic display menus.

Users of the Signal Recovery 7260 and 7265 Lock-In Amplifiers will find switching to the Signal Recovery 7280 model very easy, since it has been designed with a similar menu structure. The only significant changes are in some of the control menus, where the better resolution of the display allows both the controls and the instrument outputs to be shown simultaneously, for even faster feedback on the effects of control adjustments.

Naturally, the instrument includes the extended operating modes like dual reference, dual harmonic and virtual reference made popular by the 7260 and 7265 models, 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.

In summary, if you need a lock-in capable of working beyond the traditional audio frequency band but still want the drift-free performance that only digital demodulation brings, then look no further - you have found it in the Signal Recovery 7280 DSP Lock-In Amplifier.

Features and Specifications of the Signal Recovery 7280 Wide Bandwidth DSP Lock-In Amplifier include:

  • Frequency Range:  0.5 Hz to 2.0 MHz
  • Voltage and current mode inputs
  • Direct digital demodulation without down-conversion
  • 7.5 MHz main ADC sampling rate
  • 1 μs to 100 ks output time constants
  • Quartz crystal stabilized internal oscillator
  • Harmonic measurements to 32F
  • Dual reference, Dual Harmonic and Virtual Reference modes
  • Spectral display mode
  • USB, Ethernet and RS232 computer interfaces
  • Applications:
    • Scanned probe microscopy
    • Optical measurements
    • Audio studies
    • AC impedance studies
    • Atomic force microscopy

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2610 Commerce Way Vista, CA 92081
Phone: (760) 806-6600