re fm transmitter ics help in article apr vd seqeb gov au writes i am trying to design a small mw mhz fm transmitter for remote alarm use pretty high frequency for one chip is there an fm transmitter ic available that can be used for this purpose any help circuits info etc will be greatfully accepted please reply to bsc graham seqeb gov au yes and no i would use the fm transmitter chip from motorola linear and interface databook a stable cristal oscillator and a mixer e g sbl from mini circuits lab everything is done in the fm chip and then mixed up with the oscillator frequency just have a look at the arrl handbook there are lots of ideas in there about oscillators and mixing i don t think there are single chip designs for such high frequencies yet thanks in advance graham castledine cheers robert hb nby robert ganter universitaet basel i am a fan institut fuer informatik of my plan basel switzerland ganter ifi unibas ch amateurradio hb nby packet hb nby hb eas che eu
