JBL T network attenuators

Can anyone assist with formula used for calculating the resister values used in the fixed JBL T network resistive pads.

Ian:)

Download the Excel spreadsheet at the bottom of the page from here and see if it will help you?

http://www.marcspages.co.uk/tech/atten.htm

*****

Here's more:

http://www.linxtechnologies.com/ldocs/pdfs/AN00150.pdf

http://www.rfmd.com/DataBooks/db97/AN0015.pdf

Thankyou,

Ian:)