Show cmos logic families, Electrical Engineering

Assignment Help:

Both DTL and TTL are based on the saturating BJT inverter. The transistor acts as a switch that connects or disconnects the collector and emitter. The switch is closed when sufficient base current is applied to saturate the transistor. While the BJT technologies have dominated during the 1970s, logic families based on MOSFET technology are nowmore widely used because of the advantages of fewer fabrication steps and generally lower power consumption. After PMOS and NMOS technologies, CMOS emerged as the dominant MOS technology and remains so today. Let us consider the simple MOSFET inverter with resistive load shown in Figure (a), quite similar in principle to the BJT inverter, although the circuit is rather impractical, as we shall see later. The load line for RD = 23 k and VDD = 7 V is shown along with the transistor I-V characteristics in Figure (b). On finding vout (= vDS) for different values of vin (= vGS), the voltage-transfer characteristic (vout versus vin) is plotted in Figure (c). By choosing the low range to be 0 to 3 V (i.e., less than the threshold voltage) and the high range to be 5 to 7 V, we can see that any input voltage in the low range gives an output of 7 V (high) and inputs in the high range give outputs in the low range. Thus, the circuit is seen to be an inverter.

1983_CMOS LOGIC FAMILIES.png


Related Discussions:- Show cmos logic families

Any number system to decimal conversion , Any number System  to Decimal Co...

Any number System  to Decimal Conversion To convert a number in any number system to its  equivalent  decimal number, simply multiple each  digit of the number  with its  posi

Write a brief note on mmx technology, Write a brief note on MMX technology....

Write a brief note on MMX technology. MMX (Multimedia extensions) technology adds 57 new types of instructions to the Pentium - 4 microprocessors instruction set. The MMX tech

Design a controller, Linearize the swing equations around an equilibrium po...

Linearize the swing equations around an equilibrium point. Compute the transfer function from the input U to the output !. For which equilibria is the linearizes system stabl

Explain various functions of telephone switching systems, Q. Explain variou...

Q. Explain various functions of telephone switching systems. Ans: Functions of telephone switching systems are: (i)  Attending: The system should be continually monito

Determine dielectric materials are which type of materials, Dielectric mate...

Dielectric materials are (A) Insulating materials.        (B) Semiconducting materials. (C) Magnetic materials.         (D) Ferroelectric materials. Ans:

Determine the voltage across each resistor, For the circuit of Fig: (i) ...

For the circuit of Fig: (i) using Kirchoff's Laws , find all the currents (ii)  determine the voltage across each resistor and check that all loops comply with KVL (iii

Compute the theoretical and practical frequency, Q. An RG-139/U rectangular...

Q. An RG-139/U rectangular waveguide is given to have dimensions a = 0.8636 mm and b = 0.4318 mm. Compute the theoretical and practical frequency ranges of operation for the guide.

Factors contributing to high technical losses, Factors Contributing To High...

Factors Contributing To High Technical Losses Power distribution systems in developing countries have faced a phenomenal and rapid growth within the last two decades. Although

Show the interconnections and appropriate polarity markings, Q. Two 1150:11...

Q. Two 1150:115-V transformers are to be inter connected for (a) 2300:230-V operation, and (b) 1150:230-V operation. Show the interconnections and appropriate polarity markings.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd