Yikes, I haven't seen a cassette tape interface since my Altair S100 bus days! There were actually standards for this, try "Kansas City Standard". Bob Ammerman RAm Systems (contract development of high performance, high function, low-level software) ----- Original Message ----- From: Antonio L Benci To: Sent: Thursday, February 22, 2001 7:18 PM Subject: [PIC]: Data Recording to Cassette Tape using QPSK. > Can anyone point me to information on building or probably purchasing a > QPSK Modulator/Demodulator. I'll be using a 16C874 to collect data and > then dump it to a standard tape recorder. I was considering FSK but QPSK > offers better data density. > > Yes, I know, it can all be done with solid state memories, but consider > this , the data interface is RS232C, the proposed data format is TAR > (uncompressed) and the quantity of data is small. Tapes are very cheap > and tape recorders can be purchased for < $50.00 (AUS). The QPSK > interface will hopefully be very cheap to put together. This permits > connection to any PC, Laptop, PDA, UNIX, LINUX, Ultrix, SunOS, IRIX, you > name it work station and OS. > > I welcome all pro's and cons. > > Nino. > -- > ------------------------------------------------------ > | Antonio (Nino) L. Benci | > | Professional Officer, Electronic Services | > | School of Physics & Materials Engineering | > | Monash University | > | email: nino.benci@spme.monash.edu | > | T: 61 3 9905 3649. F: 61 3 9905 3637 | > | M: 0414 924 833 | > ------------------------------------------------------ > -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics