Synchronized Multi-channel lock-in


The MCL1-540 is our flexible lock-in platform for highest requirements in research and development. It is distributed by Ametek as Signal Recovery Model 9210.

  • Syncronized lock-in measurements of up to 15 analog signals, each with multiple frequency analysis and DC separation
  • All modules fully integrated and synchronized
  • Simultaneous sampling ADCs and DACs - no multiplexing
  • Integrated low-noise preamplifier stages with high input impedance - no need for additional preamplifiers
  • Up to 3 sets of demodulators with independent frequencies for each input and output signal. Each demodulator set including synchronous DC, X, and Y
  • ADCs seamlessly auto-ranging for sub-nV signals up to ±10 V range with 6+ digit resolution
  • Up to 5 modules
  • 19" rack mount
  • 1000BASE-T Ethernet and USB 2.0 interface

Module features

  • 2 differential analog inputs + 1 analog output
  • up to 5 modules per system
  • analog input:
    • Noise level ~4 nV/√Hz at 30 GΩ amplifier impedance (<1 nA input bias current)
    • optional: 1.8 nV/√Hz at 1 GΩ amplifier impedance (typ. 15 nA input bias current), 18 nV/√Hz at ~5 TΩ (typ 10 pA input bias current)
    • Full range ±10 V, preamplification 1 to 5000 in 12 steps
    • DC & AC-coupling, 0.2 Hz break frequency
    • 18-bit ADCs at 1 MSPS
  • analog output:
    • 20-bit DAC at 1 MSPS
    • ±10 V, ±1 V and ±0.1 V full range
    • 50 mA output current
    • Integrated current measurement of output (full scales 50 mA/2 mA/100 µA/5 µA/250 nA)
    • Ground referenced & floating
  • Trigger/phase marker input & output

Lock-in features

  • Syncronized lock-in measurements of up to 15 analog signals, each with multiple frequency analysis and DC separation
  • Frequency range DC-500 kHz
  • Set of 15 lock-ins on arbitrary inputs and/or harmonics
  • Synchronous X, Y, DC, R and θ for each lock-in
  • Phase resolution 64 bit, integral resolution 96 bit
  • Option: 15 arbitrary harmonics
  • Up to 2 additional sets of 15 lock-ins on independent frequencies and time constants

Output features

  • Sine, square-wave, triangle, sawtooth
  • Frequency, amplitude, offset & duty cycle programmatically controllable
  • Demodulated signal output: X, Y, DC, R, θ
  • Options
    • Composite and modulated waveforms
    • Real-time feedback options
    • Additional frequencies

Other features

  • Waveform acquisition
  • FFT
  • Feedback loops

Interfaces

  • Control: 1000BASE-T Ethernet and USB 2.0
  • USB-host and SDHC card reader for data storage
  • Integrated web server
  • LabVIEW API
  • 40 W power supply, 60 W option
  • RJ45 (8P8C modular connectors) for analog signals