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The Postgraduate Institute of Agriculture (PGIA), University of Peradeniya was established in 1975 with the main objective of developing in-country capacity for postgraduate education in agriculture and to provide appropriately trained scientific personnel for a rapidly expanding agricultural sector of the country.

Integrated PGIAs provide the benefit of shorter design time and a smaller footprint. The digitally adjustable gain is achieved with internal precision resistor arrays. On-chip trimming of these resistor arrays can be done to optimize gain, CMRR, and offsets, resulting in good overall dc performance.

Our experienced Management Team and professional staff continue to transform our international airport and position Belize well for the continued growth and development of the industry. The good relationship among airport establishments and employees contribute to the celebration of the work and service at the PGIA.

One of the approaches commonly used in designing discrete PGIAs is to use an instrumentation amplifier with the desired input characteristics, for example, the low noise of the AD8421, accompanied with a multiplexer to switch in the gain resistor to vary the gains. Figure 1. AD8421 with mux for switched-in gain.