SYMEK FSK-9601 User Manual Download

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Users Manual

for the

Packet-Radio-Modem

FSK-9601

Layout Version FSK9601-C

9600, 19200, 38400, 76800, 153600 Baud etc.

Issue 14/05/2005 12:52:00

Production and Distribution: SYMEK GmbH, Datentechnik, Ulf Kumm, DK9SJ

Adress: D-70597 Stuttgart (Sonnenberg), Johannes-Krämer-Straße 34

Phone: +49 711 76 78 923, Fax: +49 711 76 78 924, Hotline: +49 711 76 54 911

eMail: info @ symek.com Internet: http://symek.com

Summary of Contents for FSK-9601

Page 1: ...76800 153600 Baud etc Issue 14 05 2005 12 52 00 Production and Distribution SYMEK GmbH Datentechnik Ulf Kumm DK9SJ Adress D 70597 Stuttgart Sonnenberg Johannes Kr mer Stra e 34 Phone 49 711 76 78 923...

Page 2: ...se in the TNC3 or TNC31 For use with other packet radio controllers it may be necessary to use an additional 20 wire ribbon cable The data exchange between TNC3 31 and the modem is NRZI formatted If y...

Page 3: ...imiter watchdog Bit rate and baudrate In this manual the expressions bit rate bit s bit per second and baud Bd are used for determining the transmission speed With the FSK9601 both values are equivale...

Page 4: ...e radio requires much less AF voltage e g only 10 mV for sufficient modulation For this case the AF voltage must be reduced by a voltage divider which should be placed in the radio The output of the m...

Page 5: ...Azden PCS9600 Yaesu FT8500 etc with 6 pin mini DIN DATA socket Modem Pin 1 MOD radio Pin 1 Data in packet data input Modem Pin 2 GND radio Pin 2 Ground Modem Pin 3 PTT radio Pin 3 PTT standby Modem P...

Page 6: ...of the FSK9601 board To open soldered jumpers carefully remove the solder with desolderung wick J6 and J17 are closed by a copper trace which has to be cut with a small sharp knife Bottom side solder...

Page 7: ...eye before the antialiasing filter and modulation amplitude trimmer MP3 PTT MP3 is LOW 0 Volt in receive mode HIGH 5Volt in transmit mode Setting the Baudrate with FSK9601 The FSK9601 is available for...

Page 8: ...FSK 9601 Page 8 Schematics Modem FSK9601 C...

Page 9: ...complex component and there is no need for a EMI certification CE sign When the modem is to be used in systems other than TNC3 or TNC31 the EMI regulations have to be observed The contents of this ma...