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Driver
Circuits, Page 3a
Drivers:
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Last Updated on:
Wednesday, November 29, 2017 05:38 AM |
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Links to electronic circuits,
electronic schematics, designs for engineers, hobbyists, students & inventors:
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Circuit Drives White LEDs - 11/23/00 EDN-Design Ideas.....Newly
available white LEDs are replacing CCFLs (cold-cathode fluorescent lamps]
in handheld applications using a back-lit LCD. These applications include
PDAs (personal digital assistants],..... [Design Idea by Eddy Wells, Texas
Instruments] |
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Circuit efficiently drives inductive loads - 05/25/00 EDN-Design
Ideas..... EDN is migrating links. This link is not verified. Search
the "title" EDN for new link. |
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Circuit for Driving MicroController Friendly PWM Generators -
Microchip Application Note Published 27-Jun-05.....[App Note] |
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Circuit for measuring motor speed uses low-cost components -
8-Nov-07 Issue of EDN A microcontroller-based circuit provides both
an LCD readout and an analog motor-speed output..... [Design Idea by R
García-Gil, J Castelló, and JM Espí, Escola Tècnica Superior d’Enginyeria,
University of Valencia, Spain] |
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Circuit forms simple, low-cost, 1-kV driver - 13-May-04 Issue of
EDN High-voltage drivers have recently received much attention,
because they play an important role in driving piezoelectric and
electro-optical components, for example.... [Design Idea by Tai-Shan Liao
and Prasit Champa, National Science Council, Hsinchu, Taiwan] |
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Circuit makes universal VCSEL driver - 10-Jul-03 Issue of EDN VCSELs
(vertical-cavity surface-emitting lasers] are commercially available infrared
semiconductor lasers with λ≅850 nm. Short-cavity-length, high-quality Bragg mirrors
impart properties to VCSELs that differ from those that earlier Fabrey-Perot lasers
impart. The emission characteristics—optical power, Pλ, versus diode current—shows
threshold and operating currents..... [Design Idea by Andrzej Wolczko, Institute of
Electronics AGH, Krakow, Poland] |
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Circuit provides effective LCD drive - 09/28/00 EDN-Design Ideas EDN
is migrating links. This link is not verified. Search the "title" + "EDN" for new
link. |
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Circuit tests VCOM drivers - 11-Nov-04 Issue of EDN Flat-panel LCD
monitors offer excellent image quality andcompact form factor than CRTs—hence, their
steadily increasing popularity. Unfortunately, the complexity of their manufacturing
process makes LCD monitors considerably expensive than CRTs. The amplifier that drives
VCOM, the voltage on the backplane of the LCD panel, must be able to drive large
capacitive loads, deliver h..... [Design Idea by Soufiane Bendaoud, Analog Devices,
San Jose, CA] |
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Circuits drive single coil latching relays - 13-Nov-08 Issue of EDN
Five driver circuits operate single-coil latching relays..... [Design Idea by Alfredo
H Saab and Tina Alikahi, Maxim Integrated Products, Sunnyvale, CA] |
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Code provides adjustable differential drive for robots - 16-Oct-03 Issue of
EDN Intelligently modifying the motor-drive commands to a robot can give you
control finesse during competitions. Moving a joystick hard right, for example, might
have different effects, depending on the robot's speed and direction. Software running
on an inexpensive microcontroller (in this case, an NEC (www..... [Design Idea by
Alton Harkcom, EGO North America, Newnan, GA] |
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Compact laser-diode driver provides protection for precision instrument use -
3-Apr-08 Issue of EDN A compact, cathode-grounded laser-diode driver provides
protection against ESD damage, start-up spikes, overshoot, and possible fluctuation
due to external optical feedback..... [Design Idea by Jiaqi Shen and Xiaoshu Cai,
University of Shanghai for Science & Technology, Shanghai, China] |
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Complementary LED Drive - Microchip Application Note Published
6-Nov-98.....[App Note] |
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Composite VGA encoder/decoder eases display upgrade - 09/28/06 EDN-Design
Ideas.....Upgrade an RGB video system without adding cables..... EDN is migrating
links. This link is not verified. Search the "title" + "EDN" for new link.
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Constant current, constant voltage converter drives white LEDs - 2-Sep-04
Issue of EDN LEDs usually take their drive from a constant dc-current source to
maintain constant luminescence. Most dc/dc converters, however, deliver a constant
voltage by comparing a feedback voltage to an internal reference via an internal error
amplifier. The easiest way to turn a simple dc/dc converter into a constant-current
source is to use a sense resistor to convert the output current to a voltage.....
[Design Idea by Keith Szolusha, Linear Technology Corp, Milpitas, CA] |
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Constant-Current DC/DC LED Driver in ThinSOT - Linear Technology LT1932 (app
note added 2/05) |
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Controller provides multiple alarm-driver formats - 15-Jan-98 Issue of EDN
Using a piezoelectric element for alarm applications offers low cost, low power, and
flexibility. By coupling this element with a 12C508 programmable controller (Microchip
Technology, Chandler, AZ], you can implement an eight-pin alarm generator. This
approach provides multiple driver formats with a minimum of additional cost and
footprin..... [Design Idea by William Grill, Riverhead Systems, Littleton, CO] |
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Current mirror drives multiple LEDs from a low supply voltage - 5-Dec-08
Issue of EDN A pulsed current mirror comprising discrete transistors drives LEDs
from a low voltage, avoiding thermal runaway..... [Design Idea by Rex Niven, Forty
Trout Electronics, Eltham, Victoria, Australia] |
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Drivers:
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A B - C
D - G
H - K L - N
O - R
S T
U-Z
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