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Ametek / Signal Recovery 7280 Wide Bandwidth DSP Lock-in Amplifier

Manufacturers Part #: 7280
Wide Bandwidth DSP Lock-in Amplifier, 0.5 Hz to 2.0 MHz
Your Price: $5,695.00
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  • Description
  • Datasheets
Ametek / Signal Recovery 7280 Wide Bandwidth DSP Lock-in Amplifier

The model 7280 DSP Lock-in Amplifier is the widest frequency band offered by Signal Recovery. The 7280 offers direct digital demodulation over an operating frequency range from 0.5 Hz extending up to 2.0 MHz. The instrument has 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. The 7280 works in the traditional audio frequency band unlike other high frequency lock-ins.

The front panel offers a large easy to read display 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 keypad, while four cursor movement keys simplify use of the graphic display menus.

The 7280 includes the extended operating modes like dual reference, dual harmonic and virtual reference, 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 data acquisition software. The driver and a demonstration version of the software, DemoAcquire, are available for download from this site.

  • Frequency Range: 0.5 Hz to 2.0 MHz
  • Voltage sensitivity: 10 nV to 1 V full-scale
  • Current input mode sensitivities: 1 pA to 100 µA full-scale, 10 fA to 1 µA full-scale, 10 fA to 10 nA full-scale
  • Line frequency rejection filter
  • Dual phase demodulator with X-Y and R-θ outputs
  • Very low phase noise of <0.0001° rms
  • Output time constant: 1 µs to 100 ks
  • 5-digit output readings
  • Dual reference mode - allows simultaneous measurement of two signals at different reference frequencies up to 20 kHz
  • Single and dual harmonic mode - allows simultaneous measurement of up to two different harmonics of a signal at up to 20 kHz
  • Virtual reference mode - allows reference free measurement of signals up to 2.0 MHz
  • Spectral Display mode shows frequency spectrum of the signal prior to the demodulators to help in selecting a reference frequency
  • Direct Digital Synthesizer (DDS) oscillator with variable amplitude and frequency
  • Oscillator frequency and amplitude sweep generator
  • 8-bit programmable digital I/O port for external system control
  • Four auxiliary ADC inputs and two auxiliary DAC outputs
  • Full range of auto-modes
  • Non-volatile memory for 8 complete instrument settings
  • Standard IEEE-488 and RS232 interfaces with RS232 daisy-chain capability for up to 16 instruments
  • Large high-resolution electroluminescent display panel with menus for control and display of instrument outputs in both digital and graphical formats
  • Easy entry of numerical control settings using keypad
  • 32,768 point internal curve storage buffer
  • GPIB (IEEE-488) and RS-232 interfaces
  • Output connectors: BNC(f)
  • 100, 120/220, 240 Vac; 50/60 Hz operation
  • Weight: 25.4 lb; Size: 130 mm (5.25 in)H x 435 mm (17.25 in)W x 485 mm (19.0 in)D

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Bell Electronics NW, Inc.
1150 Raymond Avenue SW
Renton, Washington 98057-3125 U.S.A.

Telephone: 1-800-366-5240
International: +1-253-395-0707
Fax: 253-395-0808

Cage Code: 1R3V4