[UK-CONTEST] ADSL Modem RFI

[Dave Sergeant]

On 18 Nov 2009 at 10:44, Chris Tran GM3WOJ wrote:

> As I understand it, the 'ADSL Microfilter' which is needed on all phone
> points is a High-pass filter - to separate out the ADSL from the audio
> signal - the ADSL download bandwidth is up to about 1.1MHz (ADSL2 =
> 2.0MHz?) 

No, it is a LOW pass filter which only works on the telephone circuit, 
to stop the ADSL signal getting into the phone. The ADSL side is 
straight through.

73 Dave G3YMC

http://www.davesergeant.com