Dual channel “smart” power amplifier integrates digital front-end

Dual channel “smart” power amplifier integrates digital front-end

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Apex Microtechnology is making the design of power analog drive circuitry for industrial ink jet printer nozzles less of a challenge by pairing a high performance power amplifier with a digital front end.
By Julien Happich


The MP113 is a complete solution for implementing multi-pulse waveforms required to drive a changing number of print nozzles with quality and accuracy in large format printing applications.

The MP113 features onboard firmware that controls a dual channel amplifier that allows the user to define the desired waveform for their specific end system. The amplifier is rated at >10A PEAK per channel with a voltage supply operation of 180V and up to 135V of output voltage.

The modular design of the MP113 is in a broader sense its own evaluation kit. The embedded firmware allows users to test various parameters such as the size and speed of droplet formation and to optimize these specifications for specific types of ink. The MP113 also is designed with protection and diagnostic features to enhance the overall reliability of the system. The MP113 also provides thermal efficiency with a power dissipation rating of up to 100W per channel.

Visit Apex Microtechnology at www.apexanalog.com

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