70 MHz bandpass filter

03/02/2015 graat 0

70 MHz bandpass filter When working on the 144 MHz bandpass filters, these were tunable over such a wide range that 70 MHz was almost […]

PA protection system

22/12/2018 graat 0

In order to provide a more clear overview on the protection system. You will find the blockdiagram below: It consists of the Power / SWR […]