In parallel with enhancements in the technology of integrated circuits, transistors are implemented in silicon. Though the price is reduced; design is more complicated, which create the efficiency and power consumption. The reason why modern GDI-based circuit is the focus of attention is that in designing digital circuit, less power is required while more efficiency is obtained. Lowering the complexity of logic circuit can bring about reduction of power consumption, propagation delay and decrease circuit space. GDI-based integrated circuit resembles MOSFET transistors but have fewer transistors and higher performance capability. This study addresses two main areas which are Studying and investigating primary logic gate behaviors of NOR, NAND, OR, NOR, XOR, XNOR, INVERTER, that are used to employ CMOS, NMOS and GDI. Moreover, designing and analysis of FIR block which are done, using basic blocks implemented in the first stage. In this study, the design circuits-either basic blocks or FIR will be compared to NMOS and CMOS in terms of average power consumption, performance, and area occupancy. A.DSP applications Electronic science entered a new phase of invention and research with the invention of transistors. Every day we can hear about a new invention in the field of electronics. It is by going through the details of such inventions that the significant contributions of transistors become apparent to us. Digital electronics are systems that represent signals as discrete levels, rather than as a continuous range. In most cases, the number of states is two, and these states are represented by two voltage levels: one near to zero volts and one at a higher level, depending on the supply voltage in use. These two levels are often represented as "Low" and "High". Microprocessors are essential to many of the products we use every day such as TVs, cars, radios, home appliances and of course, computers. The requirement to design an electronic system consist of two major components, the first one is Technology-driven and the second is Market-driven, so, both of them are introduced respectively. Regarding technology driven, nowadays, all companies and industries are improving their technology and devices considering greater complexity, it means more functionality, higher density which means using lots of transistors on a chip, increased performance by which speed the increases, Lower Power Dissipation. In other words, the power consumption must be reduced in design. Due to the market demand and the sales industry, each novel issue must be taken seriously and quick actions have to be taken since missing the window's market is very costly. A.CMOS Technology CMOS stands for Complementary Metal Oxide Semiconductor; CMOS circuit uses a combination of two kinds of transistor; namely, p-type and n-type. Metal-oxidesemiconductor field-effect transistors (MOSFETs) are implemented in logic gates and other digital circuits found in computers, telecommunications equipment and signal processing equipment. CMOS is the technology of making...
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