CNX62 Philips Semiconductors datasheet pdf data sheet FREE Datasheets (data sheet) search for integrated circuits (ic), semiconductors and other electronic. This datasheet contains preliminary data, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes. Request PHILIPS [NXP Semiconductors] CNX HIGH-VOLTAGE OPTOCOUPLER online from Elcodis, view and download CNX62 pdf datasheet, In Stock.
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The frequency meter can not measure signals to sine waves, square and datashset tooth triangular with a resolution of 0. English Menu Home electronic components electronic instruments electronic experiments electronic projects graphic symbols theory.
To download the HEX file, needed to program the Microcontroller, click here. Completing the PIC circuit: The displays are common cathode type, the 7 segments are connected in parallel and the 7 common lines are connected by means of a resistor to limit the absorption at dtasheet RBX ports of the PIC, as shown in the wiring diagram.
Once programmed and arranged on the base PIC proceed with the connections between it and the display section. As Always, it shown the pinout of the components where you can see the layout of the pins with the initials of its function to facilitate the construction.
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Given the characteristics of the photo-coupler, the input signal must not exceed 15V. The measurement is displayed on 4 7-segment display of the type common cathode negative datasheett common to all 8 LED, 7 segments and decimal point.
The displays are enabled one at a time with the multiplexer system by 4 transistors in switch function. Your use of the optocoupler electrically separates the signal to be measured by the microcontroller. The cathodes 4 are connected to the collector of transistor 4 in function of the switch.
Fixed the photocoupler is connected to the same transistor that the output of the collector will present the signal with the same frequency but of form input square wave to be applied to pin 9 of microcontroller. The experiment is carried out, as usual, on a breadboard where all necessary components are housed. The image above shows the wiring diagram of the digital frequency with four 7-segment display.
Before dtaasheet place the microcontroller on the board it is necessary to program the same with the HEX file, Arrange them later in the page, downloadable by the required link.
CNX62 Datasheet(PDF) – NXP Semiconductors
The datasheet in PDF format, with the technical specifications of the PIC, can be downloaded by clicking the icon below. Then you have the components of the oscillator, quartz and ceramic capacitors. The 4 transistors are activated by 4 RA of the 8 ports of the CIP by a resistor connected to the base of the same. It is part of the display area by arranging of the display 4, connecting the seven segments a, b, c, d, e, f, g in parallel between them that attrverso 7 resistors will then be connected to the ports 7 of the Microcontroller PIC16FA.
The section signal detection and conversion to be measured is composed of the photocoupler IC 1transistor Q 4 and polarization resistors.
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Finally, the capacitor C 1 has the purpose of eliminating any noise present on power supply, while dahasheet resistor R 8 limit the current absorbed by the decimal point placed on the third display. C 1C 2 and XT 1 for the oscillator; C 3 to limit noisy eventually present on power supply. The decimal point in the third displayalways connected by means of a current-limiting resistor, is connected directly to the positive supply.
The datasheet in PDF format, with the technical specifications of the optocoupler, can be downloaded by clicking the icon below.
CNX62 Datasheet Philips Semiconductors pdf data sheet FREE from
At this point one realizes the detection section and the conversion of the signal to be measured. Given the range of measurement, from 16Hz to Hz, the frequency is tested for educational purposes only given the reduced scope. On this page you experience the application of the PIC16FA as 4-digit frequency meter low datasjeet.