Simulate this circuit – Schematic created using CircuitLab How is this normally done? I'm looking for a simple solution without overflowing the board with too many new components. I have used optocoupler and dc-dc isolators before, but I'm not sure how I should connect them in this context. My question is, how can I implement a ground loop isolator for this application? I understand that a switch for lifting the ground on one side could be enough, but I want to find a solution that doesn't need a manual switch. The ferrite beads I use to separate digital devices from analogue (one side of the board is all analogue, the other digital, the ferrites go in between). The schematics below show how I'm powering the circuit. Otherwise, it works fine (like when transmitting audio from a phone and powering it from a power bank). When receiving USB power and receiving audio from a laptop, there is a ground loop. Get a quote and book an appointment online or speak to a service advisor at 1-80.I'm working on an audio interface that utilises a microcontroller and a CS42448 audio codec. ![]() YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. It is important to take all aspects of the situation into consideration when diagnosing this issue. In some instances, more than one code will apply to the same circumstance so the powertrain control module will store multiple codes. It is important to repair or correct all other issues before coming to this code as this code may have been set due to another code being set. This code may be accompanied by other codes related to the camshaft and crankshaft position sensors.
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