re single chip receiver for fsk in article c l xm e law daytonoh ncr com jra law daytonoh ncr com john ackermann x writes my goal is to come up with an inexpensive design for a receiver back end with if input on one end and an fsk demondulator on the other i m particularly interested in ways to use a higher if than do any current chips work up to say mhz with internal downconversion so a normal if filter can be used gec plessey specify a series of fm demodulators sl etc for use in satellite tv receivers or mhz in mhz of baseband video out i think there s also a related data slicer clock recovery circuit intended for use in dmac decoders though that isn t used in the most common implementation it may not be in volume production the most easily available components probably vary with local satellite standards and i think the european systems vary rather widely from those in the us so it may be worth investigating locally available receiver designs to find out what s in common use adrian adrian godwin agodwin acorn co uk adrian fangorn demon co uk g hwn gb khw obdisclaimer i believe this rubbish don t imagine that anyone else does
