"Communicate and Violence Disappears"


This chapter is dealing with various hardware and accessories

Select your area of interest: 

o        An audio-bus system for the amateur station


o        Battery charger plus emergency back-up power


o        Driver for small synchronous motors (e.g. 'magnetic loop' control)


o        Simple but versatile Morse-code sounder


o        Bi-stable relays (e.g. for end switches)


o        Digital signal processing for speech signals


Accessories and other additions to the radio hobby usually are less spectacular but may make an interesting contribution

to the radio station. Your additions and remarks will be appreciated