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Litelink

Radio audio/digi interface

UUSER MANUAL

Venus Information Technology Co., Ltd

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Summary of Contents for Litelink

Page 1: ...Litelink Radio audio digi interface UUSER MANUAL Venus Information Technology Co Ltd...

Page 2: ...ve connectors since January 2018 This product complies with RoHs standards If you are located in an EU member state or other countries please do not hesitate to contact me to produce customized produc...

Page 3: ...introduction Lite link is a mini version of the radio audio interface Unlike most interface on the market the lite link has a PCB size of only 5 5cm The following is the difference between litelink an...

Page 4: ...interface for daily CW use as well as a set of TTL write frequency interfaces a set of DIY radio interfaces What can I do with lite link 1 Connect to the U V radio to run software such as ECHOLINK APR...

Page 5: ...ter Litelink PCB 2 1 3 4 5 6 7 8 9 Wiring instructions 1 Type B USB is used to connect to a computer or connect to other mobile terminals via OTG adapter cable 2 XH2 54TTL write frequency CIV interfac...

Page 6: ...3 5mm jack for connecting the radio s straight key for computer transmission 7 4 ring stereo audio jack for connecting computers and mobile phones with this interface or other terminals 8 XH2 54 custo...

Page 7: ...Lite link schematics...

Page 8: ...ADS SparkFun Connectors 1 JP3 M04LONGPADS 1X04_LONGPADS SparkFun Connectors 1 OK1 CW PC817 DIL04 optocoupler 1 OK4 PTT PC817 DIL04 optocoupler 1 R1 330R R US_M0805 M0805 resistor 1 R2 560R R US_M0805...

Page 9: ...d before packaging The test equipment is FT 8900R power 5W using GP antenna to test the USB and audio parts of litelink using ECHOLINK software In the development process the ICOM7100 long line antenn...

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