Model 7280 Dual Phase Wide Bandwidth DSP Lock-in Amplifier

ORTEC
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Description:

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.

Specification:

  • 0.5 Hz to 2 MHz operation
  • Direct digital demodulation without down conversion
  • 7.5 MHz main ADC sampling Rate
  • 1 µs to 100 ks output time Constants
  • Dual Reference, Dual Harmonic and Virtual Reference modes
  • Spectral display mode
  • Scanned probe microscopy
  • Optical measurements
  • Audio studies
  • AC impedance studies
  • Atomic force micorscopy
SKU: OSR0014 Category:
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ORTEC

Differentiated Specifications–

 Specifications  VersaSTAT3 VersaSTAT4 VersaSTAT3F
Max Current Output  ±2 A (standard) up to ±20 A  ±2 A (standard) up to ±20 A  ±2 A (standard) up to ±20 A
Compliance Voltage  ±12 V  ±12 V  ±12 V
EIS Capability  1 MHz, Option  1 MHz, Option  1 MHz, Option
Min Current Range  ± 200 nA (6 pA resolution)
down to ±4 pA (122 aA)		  ± 4 nA (122 fA resolution)
down to ±4 pA (122 aA)		  ± 4 nA (122 fA resolution)
down to ±4 pA (122 aA)
E and I Filters  200 kHz to 1 kHz,
including None		  200 kHz to 1 Hz,
including None		  200 kHz to 1 Hz,
including None
Grounding  Grounded, Earthed  Grounded, Earthed  Floating, Isolated

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