Introduction to the Application of Counting Decoder CT4004

CT4004 is CT series CMOS integrated circuit decimal counter - seven-segment font decoder circuit, can be directly used with BS201, BS205, BS207 and other common cathode LED digital tube, counting and displaying the input clock pulse signal, using the power supply voltage 4 ~10V, the highest count clock frequency is 100KHZ, CT4004's pinouts are arranged and function as shown in the figure. The functions of CT4004 are shown in Table 9-45.

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CT4004 pinout external lead arrangement and utility circuit diagram

Application circuit diagram for CT4004 and BS205 connection

Water-cooled capacitor

Water-cooled Capacitor is supercapacitor is a capacitor with a capacity of thousands of farads.According to the principle of capacitor, capacitance depends on the distance between the electrode and electrode surface area, in order to get such a large capacitance, as far as possible to narrow the distance between the super capacitor electrode, electrode surface area increased, therefore, through the theory of electric double layer and porous activated carbon electrode.

Water-Cooled Capacitor,Water-Cooled Power Capacitor,Water-Cooled Electric Heat Capacitor,Water-Cooled Electric Heating Capacitor

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