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First analyze the cause of the noise: Figure 9.29.1 shows a recording automatic level control circuit. D1 and C1 form a peak detection circuit. After converting the audio voltage at the output to DC voltage, the degree of BG1 is controlled to determine the size of BG1 shunting the output signal of the preamplifier through C2. Intermittent recording
Large span cable trays are a type of cable management system used to support and protect electrical cables in industrial and commercial settings. These trays are designed to span long distances without the need for additional support, making them ideal for use in large facilities with expansive cable networks.
The primary function of large span cable trays is to provide a secure and organized pathway for electrical cables. They are typically made from metal or fiberglass and are available in a variety of sizes and configurations to accommodate different cable types and installation requirements.
One of the key advantages of large span cable trays is their ability to support heavy loads over long distances. This is achieved through the use of sturdy construction materials and specialized design features such as reinforced side rails and cross members.
In addition to their load-bearing capabilities, large span cable trays also offer excellent ventilation and heat dissipation properties. This is important for electrical cables, which generate heat during operation and must be kept within a safe temperature range to prevent damage or failure.
Another benefit of large span cable trays is their flexibility and adaptability. They can be easily customized to fit specific installation requirements and can be configured to accommodate changes in cable routing or network expansion.
Large span cable trays are commonly used in a wide range of industrial and commercial applications, including power generation and distribution, oil and gas processing, chemical manufacturing, and transportation infrastructure. They are also used in data centers and other high-tech facilities to support complex networks of electrical and data cables.
Overall, large span cable trays are an essential component of modern electrical infrastructure. Their ability to provide secure and organized cable management over long distances makes them an ideal choice for a wide range of applications, from small-scale installations to large, complex facilities.
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