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where V diode is when the diode's "on" current is 1 ⁄ 2 of V CC /R 1 (which depends on the type of diode and can be found in datasheets or measured). When V diode is small relative to V cc , this charging is faster and approaches ln ( 2 ) R 1 C {\textstyle \ln(2)\,R_{1}\,C} but is slower the closer V diode is to V cc :
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Exar 16550. The 16550 UART (universal asynchronous receiver-transmitter) is an integrated circuit designed for implementing the interface for serial communications.The corrected -A version was released in 1987 by National Semiconductor. [1]
MIFARE Logo. MIFARE is a series of integrated circuit (IC) chips used in contactless smart cards and proximity cards.. The brand includes proprietary solutions based on various levels of the ISO/IEC 14443 Type-A 13.56 MHz contactless smart card standard.
The first planar monolithic integrated circuit (IC) chip was demonstrated in 1960. The idea of integrating electronic circuits into a single device was born when the German physicist and engineer Werner Jacobi developed and patented the first known integrated transistor amplifier in 1949 and the British radio engineer Geoffrey Dummer proposed to integrate a variety of standard electronic ...
Molex developed and patented the first examples of this connector style in the late 1950s and early 1960s. [1] [2] First used in home appliances, other industries soon began designing it into their products from automobiles to vending machines to minicomputers.
Stand-alone switched-mode power supply An adjustable switched-mode power supply for laboratory use. A switched-mode power supply (SMPS), also called switching-mode power supply, switch-mode power supply, switched power supply, or simply switcher, is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently.
Nickel(II) hydroxide has two well-characterized polymorphs, α and β.The α structure consists of Ni(OH) 2 layers with intercalated anions or water. [7] [8] The β form adopts a hexagonal close-packed structure of Ni 2+ and OH − ions.