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In this work, a high speed current steering Nyquist Digital to Analog Converter (DAC) is designed and developed in 16nm TSMC technology, as part of the data converter module of the Massive MIMO project. In this work, the focus is to write a layout generator using the Berkeley Analog Generator (BAG) so the design process can be captured, parameterized, and reused for future uses. This requires developing a systematic approach to data converter design: the required transistor parameters, as well as the layout process parameters can be calculated and implemented by the generator as a function of the required spec. This particular application requires an 8 bit DAC with ENOB (enullective number of bits) of 6 bits working at the Nyquist rate. With a sampling rate of 5GHz and large bandwidth linearity requirements of this application, this poses various challenges for the designer.

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