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Lock-in modules

High-performance digital lock-in amplifiers

Single lock-in module
Single lock-in module with 1 frequency generator and 2 independent dual-phase demodulators
Quad lock-in module
Quad lock-in module with 4 independent frequency generators and 8 independent dual-phase demodulators
Filter configuration tool
The filter configuration tool makes it easy to determine suitable time constants and filter slopes based on the required integration time. It also displays frequency and step response
Transfer Function measurement
Transfer functions of the signal chain can easily be measured with the transfer function tool

The lock-in detectors let you modulate and demodulate any of the input and output signals available in the Nanonis SPM controller with frequencies up to 40 kHz. Up to 8 lock-in detector modules can be used independently from each other or synchronized in a phase coherent manner when the generation of multiple frequencies is required. With the multi-frequency option a single module can demodulate up to 8 harmonics of the same signal or independent input signals. The advantage of an internal lock-in detector over an external device is 

  • Higher resolution and dynamic range
  • Multifrequency and multi-input operation
  • Over 120 dB linearity
  • Over 100 dB dynamic reserve
  • No need for gain and attenuation switching
  • Steeper filters (up to 8. order) 
  • Up to 8 lock-ins, which can also be synchronized for phase-coherent operation
  • Lock-in can be synchronized with OC4. Measure STM current at the exact oscillation frequency of the probe
  • Synchronization with data acquisition when using Sync filtering
  • Integration avoids errors due to insufficient settling time with slow filter responses 
  • no additional noise source through external cabling
  • no potential grounding problems
  • flexible and simple setup
  • Guided filter set-up utility
  • Ability to turn on and off the excitation through software during the experiment
  • Ability to turn on and off the excitation for different bias ranges through software during the experiment

Applications range from regular dI/dV, CITS, inelastic electron tunneling spectroscopy (IETS), transport experiments, Hall measurements, multi-frequency and multi-demodulator measurements of open and closed loop transfer functions and every type of phase sensitive measurements.

 

Lock-in packages

TypeDesignationPart numberNumber of frequency generatorsNumber of dual-phase demodulators
Single lock-inLD5-121000022301

2

Dual lock-inLD5-2210000546724
Quad lock-inLD5-4210000585248
Octa lock-inLD5-8210000585388
Multi-demodulator option for LD5-1 and LD5-2LD5-MF2100005854Same as LD5-1 or LD5-28

Lock-in upgrade packages

TypeDesignationPart numberNumber of frequency generatorsNumber of dual-phase demodulators

Upgrade from LD5-1 to LD5-2

LD5UG1-221000058551 → 2

2 → 4

Upgrade from LD5-1 to LD5-4

LD5UG1-421000058561 → 42 → 8

Upgrade from LD5-1 to LD5-8

LD5UG1-821000058571 → 82 → 8

Upgrade from LD5-2 to LD5-4

LD5UG2-421000058582 → 44 → 8

Upgrade from LD5-2 to LD5-8

LD5UG2-821000058592 → 84 → 8

Upgrade from LD5-4 to LD5-8

LD5UG4-821000058604 → 88 → 8

Upgrade from LD5-1 with LD5-MF option to LD5-2MF

LD5UG1MF-2MF21000058611 → 28 → 8

Upgrade from LD5-1 with LD5-MF option to LD5-4 (includes LD5-MF option)

LD5UG1MF-421000058621 → 48 → 8

Upgrade from LD5-1 with LD5-MF option to LD5-8 (includes LD5-MF option)

LD5UG1MF-821000058631 → 88 → 8

Upgrade from LD5-2 with LD5-MF option to LD5-4 (includes LD5-MF option)

LD5UG2MF-421000058642 → 48 → 8
Upgrade from LD5-2 with LD5-MF option to LD5-4 (includes LD5-MF option)LD5UG2MF-821000058652 → 88 → 8

KEY FEATURES

  • Modulates any signal up to 40kHz
  • Demodulates any signal up to 100 kHz (R, phi and X, Y)
  • Up to 8 independent modules, synchronizable
  • Lock-in Modules can be synchronized to OC4 for acquiring signals at the oscillation frequency
  • Advanced signal filtering
  • Record transfer functions (bode plots)
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MADE FOR THESE METHODS

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