View Single Post
Old 21st Mar 2017, 12:30 pm   #30
G8HQP Dave
Rest in Peace
 
Join Date: Sep 2008
Location: Solihull, West Midlands, UK.
Posts: 4,872
Default Re: Permeability Tuning

In broadcast receivers or older general coverage receivers the input filter is rarely efficient. This is because low noise figure is not needed, and the set must work reasonably well with a random antenna impedance - hence loose coupling to avoid too much detuning.
G8HQP Dave is offline