Cell phone signal disruption theory? "help"

[Jangalomph]

As I'm very curious with electronics and how they work.. When I'm on the phone with some one and my cellphone is plugged into the wall charger the signal seems to be disrupted/staticy than without the charger, Is this because electromagnetic waves in the wall cable disrupting the cellphone signal? Its a simple theory i have... tried some research on it, but no one has ever asked any thing like it on google. I also noticed that when im talking to some one who has their phone charging its hard to hear them..

So my question is, Does a cellphone wall charger disrupt cellphone signal?





ps. This is for a bet

[Dr. Delta]

I send this message to make you aware of the danger potential of the commonly used cellular phone. A few days ago, a close relative of mine was recharging his cellphone at home. Just at that time a call came and he attended to that call with the instrument still connected to the mains.

After a few seconds electricity flowed into the cellphone unrestrained and the young man was thrown to the ground with a heavy thud. His parents rushed to the room only to find him unconscious, with weak heartbeats and burnt fingers. He was rushed to the nearby hospital, but was pronounced dead on arrival. Cellphone is a very useful modern invention. However, we must be aware that it can also be an instrument of death.

Never use the cellphone while it is hooked to the mains!

This is my humble plea.

[Jangalomph]

Lol nice story steal from google.

My question has yet to be answered.

[WhiteDevil]

I don't think it has anything to do with the distruption of the electromagnetic waves inside the phone.

I think the static is just caused by some distortions from ac converter of the charger or from the battery or both, since the battery tries to store and power your phone on the same time it can cause some distortions in the charge which can be heard as static on your phone.

I'm no expert but this is my theory.

[Dr. Delta]

I used to know this stuff, but now I'm all sad because I don't anymore, so I agree with WhiteDevil. It sounds logical, though it might be more complicated.

[zombie@computer]

I don't think it has anything to do with the distruption of the electromagnetic waves inside the phone.

I think the static is just caused by some distortions from ac converter of the charger or from the battery or both, since the battery tries to store and power your phone on the same time it can cause some distortions in the charge which can be heard as static on your phone.

I'm no expert but this is my theory.

Easy to test: use a phone while another phone is charging in the vicinity.

[dissonance]

I know that you can hear an SMS coming into a phone if you place it close to unshielded speaker wires with the speakers on, but I haven't personally had any trouble with the charger. If you're hearing anything, I'd guess that it's the 60Hz humm (or 50, depending on where you live) coming from the wall that's being amplified somehow by the phone.
If possible, try drawing current from the charger by plugging the phone in, then try a conversation on another mobile phone (preferably same model) held very close to the one that's charging; this ought to determine if the noise is coming from an unshielded cable or from the internals of the phone itself.

[bitPanther]

An electrical outlet always has power connected to it, so it will put out a little bit of electro magnetism regardless, a charging cable on the other hand probably wouldn't. If anything a plugged in cellphone should have a better reception, because it can draw extra power.

[xoqolatl]

Most likely the voltage regulation module in the phone itself is letting though some noise from power line. I wouldn't even be surprised if the phone's VRM was more noisy than the power line... those are usually very basic systems since they are constrained by form factor and have very small power requirements.

[Gary]

Wouldn't they send it through a cap to filter out some of the noise?

[dissonance]

Yeah, but those parts can fail.

[xoqolatl]

Wouldn't they send it through a cap to filter out some of the noise?

Caps are far from being teh perfect noise filter

This is how output from a very advanced VRM (MSI GTX 580 Lightning) looks:

Still lots of noise, and the whole voltage regulation on that card probably costs more to build than an average cell phone