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Lock-In Amplifier
Single Board Euro-Card Series


High Performance lock-in amplifier at an attractive price

The high prices for usual desktop lock-in-amplifiers often impede their use in cost sensitive applications. For this reason, FEMTO designed a complete and easy-to-use lock-in board at a very attractive price. All settings for sensitivity, time constant and phase shift can be selected either manually by front-panel switches or remotely by a PC via the digital interface. Additional signal filters can be configured by jumpers on the board to further increase the dynamic reserve in demanding applications.
19" Board versus PC Card
A PC card is exposed to the electromagnetic disturbed environment inside a computer case. Therefore, using a PC card for ultra-sensitive measurements of small signals is often not practical. FEMTO's Series LIA-BV(D)-150 Lock-In Amplifiers are designed as 19" boards which can operate in EMI-designed standard cases which offer best possible shielding and noise suppression. In addition, these lock-in amplifiers are the perfect choice for designing high-performance multi-channel systems.

LIA-BVD-150-H with Optional Mounting Kit MK-LIA-2
Optional 8 card LIA-BV Rack System

  • Spectroscopy
  • Luminescence, Fluorescence, Phosphorescence Measurements
  • Light Scattering Measurements
  • Opto-Electronical Quality Control
  • Integration in Industrial and Scientific Measurement-Systems
  • Multi-Channel-Systems at an Attractive Price

LIA-BV-150 Lock-in Amplifier Euro Connector available
Low Noise Input/Output Cable: CAB-LN1 Low Noise Cable
The LUCI-10 amplifier interface allows remote control of FEMTO amplifiers and photoreceivers with a remote control capability from a standard Windows PC with USB port.

Single-Board Euro-Card Lock-In Amplifiers

  Click Part # to view pdf datasheet
Model LIA-BV-150-L
Single Phase
Single Phase
Dual Phase
Dual Phase
Working Frequency 5 Hz ... 10 kHz 50 Hz ... 120 kHz 5 Hz ... 10 kHz 50 Hz ... 120 kHz
Time Constants 3 ms-10 s 300 μs-1 s 3 ms-10 s 300 μs-1 s
Outputs X = In Phase, + 10 V Full Scale, Short-Circuit
Protected, Signal Monitor Output
X = In Phase, Y = Quadrature,
R = Magnitude
Sensitivity (Full Scale) Voltage: 3 μV - 1 V in 1-3-10 Steps
Current: 30 pA - 10
μA in 1-3-10 Steps
Gain Accuracy + 2% for a Sinusoidal Input Signal
Voltage Input True-Differential Instrumentation Amplifier, Noise 12 nV/√Hz
Current Input Transimpedance Amplifier, Gain 100 kV/A, Noise 0.4 pA/√Hz
Signal Filter High Pass 0.2 Hz - 1 kHz and Low Pass 100 Hz - 1 MHz, User Selectable
Reference Input +100 mV to +5 V, Switchable to TTL
Phase Adjustable 0° - 360°
Demodulator 80 dB Max. Dynamic Reserve, Square Wave Mixer
Control Interface 16 Opto-Isolated Digital Inputs, TTL/CMOS Compatible
Interface Software Option LUCI-10 Control Interface Software and Hardware option
Dimensions 160 x 100 x 20 mm (L x W x H), Weight 100 g. (0.22 lbs)

LED overload, unlocked and power indication. Power supply + 15 V. Connectors for an optional Reference Oscillator SOM-1 module are on board. Optional mounting kit MK-LIA-2 available. For further information please view the datasheet.

Block Diagram LIA-BVD-150-H

FEMTO Product Catalog (pdf)

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