A Low-Voltage Low-Power Comparator With
Current-Controlled Dynamically-Biased
Preamplifiers For DCM Buck Regulators

Hoi Lee
Department of Electrical Engineering,
The University of Texas at Dallas,
Richardson, TX 75080-3021, USA.



Abstract-

Comparator-controlled power switch has been widely used to improve power efficiencies of discontinuous-conductionmode (DCM) buck regulators. Some major design challenges are capabilities of the comparator to operate at low voltage and dissipate low power for low-voltage DCM ....etc

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Self cascode :A promising low voltage
Analog design techique

Submitted by-
RAMSHANKAR KUMAR
S7,ECE,
DOE,CUSAT


WHY CASCODE BETTER?

IT IS A SINGLE STAGE AMPLIFIER WITH GAIN ENHANCEMENT.
WHILE A CASCADE IS TWO STAGE AMPLIFIER.
IT HAS SINGLE NODE IS AT HIGHER IMPEDENCE,WHERE GAIN IS REALIZED.
IN THIS GBW IS DETERMINED BY INPUT TRANSCONDUCTANCE AND LOAD CAPACITANCE.

Cascode and cascade amplifier

Cascode amplifier is a one stage amplifier with gain enhancement at low frequencies.
It has one ....etc

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This article is presented by:
Jayant S. Karajagikar

PROBLEM STATEMENT:


Analyzing Vibrations (Ride comfort) in passenger cars in terms of accelerations at the driver and occupant seats.

Evaluating results using ISO 2631-1:1997 methodology.

Evaluation of Ride Comfort Index and Vibration Dose Value (VDV).

Automobile vibration sources/ causes:

Due to Road input /vehicle parameters:
Road Roughness,
Suspension type and it s characteristics,
Seat and it s mounting,
Wheel, tire ....etc

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Low-Voltage Differential Signaling (LVDS) is a new technology addressing the needs of today's high performance data transmission applications. The LVDS standard is becoming the most popular differential data transmission standard in the industry. This is driven by two simple features: Gigabits @ milliwatts! LVDS delivers high data rates while consuming significantly less power than competing technologies. In addition, it brings many other benefits, which include:

a)Low-voltage power supply compatibility
b)Low noise generation
c)High no ....etc

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