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Category: Digital Circuits / Display Circuits This circuit is also crossed to: LCD circuits Views: 823 Rank: 0 With the advent of HDTV and DVD video, there is a renewed focus on RGB and color-difference component video to maximize picture quality. LCD displays have also entered the mainstream for high-end and portable computer displays. These applications often require high speed triple amplifiers for routing and conditioning video signals. With these applications in mind, Linear Technology has introduced the LT®1399 and LT1399HV triple current feedback amplifiers. The LT1399 and LT1399HV contain three independent 300MHz current feedback amplifiers, each with a shutdown pin.Each amplifier has exceptional 0.1dB gain flatness of 150MHz and a slew rate of 800V/ms. Output drive current is a minimum of 80mA over temperature. The LT1399 operates on all supplies from a single 4V to ±6V. If higher supply voltages are require visit page. Each amplifier has exceptional 0.1dB gain flatness of 150MHz and a slew rate of 800V/ms. Output drive current is a minimum of 80mA over temperature. The LT1399 operates on all supplies from a single 4V to ±6V. If higher supply voltages are require http://www.linear.com/pc/downloadDocument.do?navId=H0,C1,C1154,C1009,C1146,P1563,D4424
Related circuits Figure 1 shows a simple, cost-effective way of providing these bias voltages. A step-up regulator, IC1, forms the heart of the circuit. This regulator switches at a constant frequency of 1 MHz and a fixed duty cycle of 70%. IC1 steps up the input voltage to 5V by storing the energy in the... Backlight Inverter for Desktop LCD Displays Large LCD (liquid crystal display) displays designed to replace CRTs (cathode ray tubes) in desktop computer applications are becoming available. The LCDs reduced size and power requirements allow much smaller product size, a highly desirable feature. This DVM circuit uses a National ADD3501 DVM chip and an LM336 reference IC to create a simple DVM with relatively few components. The circuit described here uses lowcost and easily available IC CD4017 to produce a speller type light display. In such displays, each letter of the sign sequentially lights up, one after the other, until all letters are glowing. After a few seconds, the letters switch off and the cycle... The circuit in Figure 1 is a dual, grounded-lamp backlight inverter that operates from an input of 9V to 24V, delivers current from 0mA to 9mA per CCFL and has a dimming ratio greater than 100:1. The LT1768 in the circuit is a 350kHz fixed frequency, current mode, pulse width modulator that... Simple LCD interface takes two wires the circuit in Figure 1a implements a clocked serial input for an LCD module and allows a µC to communicate with the LCD over just two signal lines. You can fit the circuit onto a small pc board and mount the board directly behind the LCD module. The connection between the board and LCD module... The circuit looks simple but this is very deceptive: many components interact, and while the circuit is capable of operation with widely varying component values, (useful during development) optimisation is required for each design to achieve the highest possible efficiencies. Noise Reduction Feature on the AD7877 A 4-wire touch screen consists of two flexible, transparent, resistive coated layers. The two resistive layers act like a potential divider, and X and Y positional measurements on the screen are proportional to the voltage that is sensed from these layers. A touch screen is essentially a... 3-Way Light Switch Wiring Video
Donny Baker- An Experiment
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