New optoelectronic devices for the Mid-Infrared spectral range open completely new possibilities for portable sensors creation. Using Mid-infrared LED-PD optopairs allows developing an instrument that is smaller, less expensive and versatile.

Electronics for LEDs and PDs

According to the Customers’ requests we developed different models of electronic units oriented for optimal operation with Mid Infrared LEDs and Photodiodes. Drivers and Amplifiers allow arranging a very flexible and easy-to-use set-up to carry out first experiments concerning optical measurements of gases, liquids and solid materials absorption in the middle infrared spectral range. The available operation regimes can be selected to take maximum benefits of using new narrow band-gap Mid IR LEDs and PDs.

We offer:

LED Drivers
NEW MCD Multichannel LED Driver
MCD driver is a utility board that unites several functions:
- power supply of arrays comprising of Mid-IR LEDs, supporting up to 8 channels;
- photodiode signal processing and amplification;
- synchronisation of LED and photodiode signals.
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Datasheet 
NEW D-41i LED Driver
D-41i Driver provides pulse mode of operation. Using this mode it is possible to choose one of five current values (0.2/0.6/1/1.5/1.9 A) and select one of four frequencies (0.5/1/2/4 kHz). It is also possible to choose pulse duration within five values (5/10/20/50/150 µs).
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Datasheet 
NEW D-51i LED Driver
D-51i Driver has the same characteristics as D-41i and also has an important feature:
- Temperature control – possibility to define LED p-n junction temperature using current-voltage dependence. Driver generates the low current signal for plugged LED, measures and puts out the voltage. Using the obtained voltage value it is possible to calculate the intrinsic LED temperature.
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Datasheet 
mD-1c Minidriver
mD-1c Minidriver provides qCW mode of operation with fixed signal data parameters (amplitude, repetition rate and pulse duration).
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Datasheet 
mD-1p Minidriver
mD-1p Minidriver provides pulse mode of operation with fixed signal data parameters (amplitude, repetition rate and pulse duration).
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Datasheet 
PAb Photodiode preamplifier board
PAb photodiode preamplifier board
PAb preamplifier is oriented for amplification and conversion of the pulse current signal generated by LMSNT photodiodes (PDs). Preamplifier enables PD operation at photovoltaic mode (with no reverse bias) – mode in which photodiode becomes the source of photocurrent. PD photocurrent is amplified and converted by preamplifier into voltage signal.
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Datasheet 
SDM Synchronous Detector
SDM Synchronous Detector
SDM synchronous detector measures the voltage signal from the output of photodiode preamplifier and converts it to the DC voltage signal proportional to amplitude of voltage from input.
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Datasheet 


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