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Benchtop, Dual phase, 120 kHz Amplifier

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  • BNC Connectors for Input and Output Signals
  • Rugged Aluminium Housing
  • Working Frequency 50 Hz … 120 KHz
  • Digital Phase Shifter 0 … 360°
  • Parameter Control by local Switches and opto-isolated digital Inputs
  • Optional Reference Oscillator Module available
  • Adjustable sensitivity, time constant and phase
  • Designed as alternative to expensive digital desktops 

X-Y-R outputs, 50 Hz-120 KHz, 80dB dynamic reserve, time constant up to 1 s, 3 µV to 1V switchable sensitivity


The Series LIA-MV(D)-200 Lock-In Amplifiers are designed as stand-alone units which can be programmed both manually by front-panel switches and remotely by a digital interface. By using a PC with a standard digital I/O card all main settings for sensitivity, time constant and phase shift can easily be controlled. Therefore, the Series LIA-MV(D)-200 Lock-In Amplifiers are the ideal tool for integration into complex or automated test systems as well as for use as standard lab unit in cost-sensitive applications.


Tekniset tiedot

Model LIA-MVD-200-H
Dual Phase
Working Frequency 50 Hz … 120 kHz
Time Constants 300 µs – 1 s
6 or 12 dB/Oct.
Outputs (BNC) X = in phase,
Y = quadrature,
R = magnitude,
±10 V full scale, short-circuit protected,
Signal monitor output
(Full Scale)
Voltage: 3 µV – 1 V in 1-3-10 steps
Current: 30 pA – 10 µA in 1-3-10 steps
Voltage Input (BNC) Instrumentation amplifier, noise 12 nV/√Hz
Current Input (BNC) Transimpedance amplifier, gain 100 kV/A, noise 0.4 pA/√Hz
Signal Filter Highpass 0.2 Hz – 1 kHz and lowpass 100 Hz – 1 MHz, user selectable
Reference Input (BNC) 100 mV to 5 V, switchable to TTL
Phase Adjustable 0° – 360° with 8 Bit resolution,
Temperature drift <0,01°/°C
Max. Dyn. Reserve 80 dB
Digital Control 16 TTL/CMOS inputs: 8 Bit phase, 4 Bit time constant, 4 Bit sensitivity
Power Supply ±15 V, +120 mA / -60 mA
Dimensions 223 x 105 x 65 mm (L x W x H), Weight 1,000 g (2.2 lbs)


The optional Reference Oscillator SOM-1 can be connected by an extension connector inside the module. Power supply via 3-pin Lemo® socket. A mating connector is provided with the device. Optional power supply PS-15 available. For further information please view the datasheet.

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