PEMD14,115

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Introduction:

A PEMD14,115 is a wafer-level transistor array with integrated, pre-biased and matched transistors. This type of array already has a built-in base current bias, thus eliminating the need for an additional external bias current circuit. Compared to the traditional approaches for generating bias levels at a transistor array, the PEMD14,115 allows for a much lower power consumption and improved signal quality in the matched transistors.

Application Field:

The PEMD14,115 is mainly used in analog and digital signal processing applications, where high signal-to-noise ratio, high precision, and fast response times are important. These types of arrays are particularly suitable for manipulating audio and video signals. In audio and video applications, the PEMD14,115 provides the extra benefit of adding a constant base bias to the source and drain junctions of the transistors. This stabilizes the circuit’s performance, which is especially useful in analog video applications. Additionally, the use of pre-biased transistors results in improved signal-to-noise ratio and accuracy.

Working Principle:

The PEMD14,115 consists of two transistors connected in a common base configuration with a common emitter resistor. The emitters of the two transistors are internally connected, making it possible to set the current in one of the transistors as a reference for the current in the second one. Thus, this type of array ensures precise control over the output current of both the transistors.In addition, the PEMD14,115 features a built-in biasing network, which sets the substrate bias voltage for the transistors in the array. This feature eliminates the need for external biasing sources, thus reducing power consumption. The PEMD14,115 also features a high precision temperature compensation circuit, which compensates the differences in transistor characteristics which occur due to temperature changes. This circuit helps to maintain steady current levels in the matched transistors of the array across the entire operational range, allowing for the precise processing of audio and video signals.

Conclusion:

In conclusion, the PEMD14,115 transistor array is a valuable and effective tool for signal processing applications. It features pre-biased matched transistors, which results in improved signal-to-noise ratio and accuracy. Moreover, the array also has built-in biasing and temperature compensation circuits, which provide the additional benefit of reducing power consumption and enhancing the performance of audio and video signals.

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