The problem is to determine what shield construction should be used, in order to insure that no malfuctions due to EMI will occur in the equipment. In the second case, a shielding effectiveness level for the cable shield is specified and the task is to meet this specification by proper ...
Instead, when using headphones with the computer or ungrounded phones/notebooks to provide the signal to the amplifier, there is no added hum because no groundloop is present. If the connection between computer and amplifier would be made with a shielded differential ...
While designing cable inputs, running different conductors nearby may generate coupling issues. Using the same pin for the ground path from several signals creates nested loops with high mutual inductance. The PCB designers must consider separate ground return pins, which should be at a minimum dist...
In general whenever your cables are in close proximity to power cables a shielded cable should be a consideration, especially when the cables are running parallel to each other. Some examples of shielding include: Aluminum Foil This is a common type of shielding seen on anything from an RG6...
shield to ground, the drain wire itself can become damaged or break creating an open circuit with no shielding reference to ground. Any gaps or breakdown in the shield along the wire jacket can cause EMI energy to leak and negatively impact other systems and equipment, potentially causing a ...
Both require a separate cable to handle audio, which brings us back to RCA jacks and other copper-wire solutions -- and an alternative, optical audio. Copper-based wires contend with two problems to varying degrees, depending on their shielding and quality: external electromagnetic noise interferin...
Red Wire (VCC):The red wire in a USB cable is the positive voltage wire. It carries the 5-volt power supply from the host device to the peripheral. Black Wire (GND):This wire is the ground wire. It completes the electrical circuit by providing a return path for the current. ...
This decision is based on the connector type, and the application requirements for fastening, protection, shielding, guiding, strain relief and keying. For specific information on these connectors and associ- ated hardware, refer to the following catalogs: 1. Catalog 82003—AMP M Series Pin and ...
60Hz hum isn't always at 60Hz, but can occur at varying harmonics of that frequency. Which is a good thing, because it can help you determine the source and cause of the problem. If the hum is actually at 60Hz, it's likely due to faulty cables, poor shielding or an audio ...
When you create a symbol, it is recommended to have all the input pins on the left and all the output pins on the right. Similarly, power and ground pins can be placed at the top and bottom, respectively. In the image shown, the input pins are 2 and 3, the output pin is 4, and...