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What is the resistance in the toggle switch

Release time:2019-12-16    Clicks: Click

 
What is the resistance in the toggle switch? Let's give you a detailed introduction of the specific details below.
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The power that the internal resistance can bear under the condition of high temperature (for example, higher than 70 ℃) will be significantly reduced, so the circuit effect of two resistors in parallel will be better. Multiple resistances can be combined to get more ideal resistance values. For example, 1.95 ohm resistance is more suitable than 2 ohm resistance in practical application. If you want to buy a 1.95 ohm resistance directly, it must not be convenient for two 3.9 ohm resistances. Because 3.9 ohm is the standard resistance value, and 1.95 ohm is not. When bridging, it is used for current circuit. When cutting the electric ground plane, the shortest return path of signal will crack. When toggle the switch, the signal circuit has to detour, forming a large loop area, and the influence of electric field and magnetic field will become stronger, which is easy to disturb / be disturbed. A 0 ohm resistance across the cutting area can provide a short return path and reduce the disturbance. General equipment circuit, do not present jumper and dial switch on the product. Sometimes the user will move the setting randomly, which is easy to cause misunderstanding. In order to reduce the maintenance cost, 0 ohm resistance is used instead of jumper wire to weld on the board. The empty jumper is equivalent to the antenna at high frequency. It is better to use the patch resistor for other purposes. The load resistance is r = 200 Ω, so the power supply can only output 100V, so the current can only be 0.5A. When the switch is turned on the electronic circuit, this voltage can not be directly used as the power supply of semiconductor equipment, and it is necessary to go through the smoothing (filtering) treatment. In fact, the lubrication processing circuit is to connect a capacitor to the output terminal of half wave rectifier using DC power motor and other power type electrical equipment. The output pulse voltage of half wave rectifier is enough, but when the communication voltage is positive half cycle, the communication power supply charges the capacitor together with the power supply supplied to the load through the diode. When the communication voltage is negative half cycle, the capacitor is discharged through the load resistance Electricity means I = u / r = 100V / 200R = 0.5A if the load resistance R = 100ohm, because the power supply can output 100V, the current can reach 1a, and the output current just reaches the constant current value of the power supply. In addition to DC power socket, small cross-section wire also has multiple strands, such as soft wire (BVR), which is composed of multiple strands of thin copper wire. When this kind of wire is connected with the equipment or switch, the multi strand copper wire is usually connected with a metal sleeve, which is the terminal, commonly known as the wire nose. On budget this is called having terminal external wiring. When the cross-section of the conductor is large, the conductor is generally multi stranded. It is necessary to make terminal blocks, which are divided into soldered copper (aluminum) terminal blocks and pressed copper (aluminum) terminal blocks. The material of the terminal is the same as that of the conductor, that is to say, the copper conductor is used as the copper terminal and the aluminum conductor is used as the aluminum terminal. This is called welding (pressing) terminal block on budget.
Tube is to choose battery or power supply for boost type switch regulator, power impedance is not zero. This means that when the regulator pulls a rapidly changing current from the power supply, the voltage of the power supply will change. In order to improve this effect, the circuit designer installed the input bypass capacitor (sometimes two capacitors are used: a ceramic capacitor and a polar capacitor in parallel) close to the above two power loops. This action is not to keep the power supply of the power circuit stable - even if the voltage of the power supply changes, the power circuit can work well. However, the installation of the bypass capacitor close to the power circuit can restrain the high current injection power circuit and prevent the disturbance to the low noise circuit. After the DC power socket is adjusted normally, turn over the power socket to see whether the motor operates normally, and there shall be no sound of collision or friction. Place the specified connector in the proper position of the die, press the pedal switch, and press once every time, the slider die moves up and down once, and the crimping is completed once. Measure the pulling force according to the requirements. If the pulling force does not meet the requirements, adjust the upper and lower fixed positions of the cutter die. If the pulling force is large, adjust it downward. Otherwise, it is opposite. At the end of the operation, the general principle of N zero line wiring is left zero and right fire. As for the fixed socket and the three pin socket, they can, but like the mobile two pin plug, because of the direction problem, the socket connected to the two pin plug is generally unable to be divided. Multiple resistances of toggle switch are more conducive to heat dissipation. Two 1W 2-ohm resistances are used in parallel and one 2W 1-ohm resistor is used alone, passing the same current. Most of the time, the temperature rise of two resistances used in parallel is small. Besides DC power socket, there are many strands of small cross-section wires, such as soft wire (BVR), which is composed of multiple strands of thin copper wire.  When this kind of wire is connected with the equipment or switch, the multi strand copper wire is usually connected with a metal sleeve, which is the terminal, commonly known as the wire nose. On budget this is called having terminal external wiring. When the cross-section of the conductor is large, the conductor is generally multi stranded. It is necessary to make terminal blocks, which are divided into soldered copper (aluminum) terminal blocks and pressed copper (aluminum) terminal blocks. The material of the terminal is the same as that of the conductor, that is to say, the copper conductor is used as the copper terminal and the aluminum conductor is used as the aluminum terminal. This is called welding (pressing) terminal block on budget. After the DC power socket is adjusted normally, turn over the power socket to see whether the motor operates normally, and there shall be no sound of collision or friction. Place the specified connector in the proper position of the die, press the pedal switch, and press once every time, the slider die moves up and down once, and the crimping is completed once. Measure the pulling force according to the requirements. If the pulling force does not meet the requirements
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