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Q:How to solve the computer connected to the TV audio problem, how to set the computer and TV audio separation
If you want to ensure that the transmission medium does not cause the signal to cause attenuation and interference, fiber transmission or balanced cable transmission is the best solution. If you need fiber transmission, the cost is high because you need to buy digital fiber converters and digital audio decoders and related equipment, but this can be to the maximum extent to ensure the integrity of the signal and the smallest noise interference. If you want to use low-cost transmission can also be used directly to the cable transmission, but must use a balanced interface for transmission, and with 2-core shield or 3-core, 5-core shielded cable for transmission. This can also ensure the clarity of the signal to the maximum extent, but do not eat hungry thirsty 丨 Chicken check blood sausage is too long. No matter how good the cable will be attenuated, the size of the attenuation will directly affect the signal quality and signal integrity. So the transmission distance with the balance line can not be too far. More than two kinds of transmission methods than the existing single-line transmission is much better, if you are a fever-level players, I suggest you use fiber transmission. But if your power amplifier or your source signal to noise ratio is not high, I do not recommend you use fiber transmission, because even if the quality of fiber transmission no matter how good your source is not high, then it does not make sense The
Q:The difference between nylon balls and geese and ducks
As long as the cable is thick enough, 20 meters of the basic loss can be ignored.
Q:How much of the cable with the switch?
The switch is selected according to the current. General switch = (2-2.5) Current three-phase current = P / 1.732 / 0.38 / 0.8 Single-phase current = P / 0.22 / 0.8
Q:5 air conditioning can be used 4 square cable
Lengthened low voltage side, the line resistance increases, the voltage drop increases. Reduced load capacity. So that the router due to insufficient supply voltage and can not work properly. It is not allowed to use 9V power supply. Voltage is too high, the router part of the internal power supply increased power, heat increased, it is possible to burn the router. It is necessary to extend the power cord, I suggest you extend the power supply side (220V one end) safe and reliable. Increase the voltage to increase the supply current, in the electrical working voltage range (with the electrical work voltage range) is allowed, too low electrical appliances can not work properly. Too high there is the risk of burning appliances, according to your actual situation, marked 5V0.2A that the router works at rated voltage, so the way to improve the supply voltage is not applicable. So you can only improve the power supply power (that is, you say to increase the power supply current rather than voltage). With the reserve power, it will provide enough current at the rated voltage (the router as a resistor, from I = U / R, you can know the danger of increasing the voltage) need help please message
Q:Is the cable head made of every building?
Generally have every building floor wiring closet must be connected to the big cable. The big cable comes in to do the cable head
Q:7 kilowatts of electricity with what specifications of the wire
7 kilowatts of electricity with what specifications of the wire if it is single-phase 220V, then 7 kilowatts of current is 7000 × 220V = 31.8A, check the electrical manual 4 square copper wire interception is 33A, to meet the requirements.
Q:What is the type of pipe that is marked as KBG pipe?
Will the general power cable control cable can do the largest square...
Q:25 square copper cable how much money one meter?
3 plus 1 64.13 yuan, 3 plus 2 75 yuan, 4 plus 1 81.38 yuan contact to see my registration name
Q:Decoration doubt, what kind of wall can not open the horizontal groove?
Excretion training is the use of positive reinforcement, that is, a variety of food, toys, the best time to reward
Q:How to distinguish how many pairs of cable with a large heat shrink tubing
Cable bridge grounding should belong to the protective grounding, grounding resistance at a cross point is not greater than 50 milliohms, no jumper no more than 5 milliohms

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