RE: Re: [OT] Baby monitor picking up "hum"

["BUTLER, Tony, FM" <roaming@xxxxxxx>]

> As the unit works from batteries it must be a 49MHz-type 
> radio thingy.  As

If you insist.  I dunno :)

> Solution: Try a different power supply, rated at least as high as
the
> existing one (if the one you're using is rated 12V @ 500mA, 
> ensure the one you replace it with is rated at least 500mA @ 12V).

Okey doke, will give it a go.
> 
> 2. The mains power supply is not rated correctly for the baby 
> monitor.  For

Doubt it's this - it has worked fine for 18 months, except for one
occasion
a few months back when this same problem occured and was resolved by
unplugging, leaving overnight, and trying again the next day.
That doesn't seem to work now :(

> As for filters, if it is high ripple on the DC supply that is 
> causing the
> hum then you could try adding some suitable large capacitors 
> across the DC supply into the monitor (but this would be an external,
ugly

> solution).

No thanks - far too much messing about for my liking!!!

I will try the alternate PSU route and see what happens....

thanks for the suggestions,


Tony 2


***********************************************************************
      Visit our Internet site at http://www.rbsmarkets.com

This e-mail is intended only for the addressee named above.
As this e-mail may contain confidential or privileged information,
if you are not the named addressee, you are not authorised to
retain, read, copy or disseminate this message or any part of it.
The Royal Bank of Scotland is registered in Scotland No 90312
Registered Office: 36 St Andrew Square, Edinburgh EH2 2YB 
Regulated by the Financial Services Authority
***********************************************************************

Yahoo! Groups Sponsor

ADVERTISEMENT

For more information: http://www.automatedhome.co.uk
Post message: ukha_d@xxxxxxx 
Subscribe:  ukha_d-subscribe@xxxxxxx 
Unsubscribe:  ukha_d-unsubscribe@xxxxxxx 
List owner:  ukha_d-owner@xxxxxxx

Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.