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Summary of Contents for Venus Litelink
- Page 1 Litelink Radio audio/digi interface UUSER MANUAL Venus Information Technology Co., Ltd...
- Page 2 Caution Venus Info Tech. is not responsible for equipment damage caused by this product. Caution The use of this product requires a certain degree of electrical operation, as well as the English reading ability of related software.
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Page 3: Product 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 and other products. 1. The price is very cheap, the price can only buy a USB-COM cable... - Page 4 UV radio station and the short-wave radio. In order to improve the use value of litelink, link also provides a CW interface for daily CW use, as well as a set of TTL write frequency interfaces, a set of DIY radio interfaces.
- Page 5 Litelink PCB signal that radio sends computer/mobile terminal can be adjusted using Blue small block (3296 potentiometer) 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) interface, pin definition from left to...
- Page 6 computer 4 PS2 6-pin connector for connecting stations with this data interface 5 3-ring stereo audio jack for connecting to the computer's speaker 3-ring 3.5mm jack for connecting the radio's straight key for computer transmission 4-ring stereo audio jack for connecting computers and mobile phones with this interface, or other terminals 8 XH2.54 custom radio interface, the pin definition moves from left to right in order of GND/SPK/PTT/MIC...
- Page 7 Lite link schematics...
- Page 8 LiteLink Component list Part Value Device Package Library Sheet 10uF 10UF-25V-20%(PTH)KIT CPOL-RADIAL-10UF-25V-KIT SparkFun-Capacitors 1 C-EUC0805 C0805 C-EUC0805 C0805 C-EUC0805 C0805 C-EUC0805 C0805 C-EUC0805 C0805 C-EUC0805 C0805 C-EUC0805 C0805 C-EUC0805 C0805 C-EUC0805 C0805 C-EUC0805 C0805 CH340G CH340G SO16D mylibraries USB-B USBPTH...
- Page 9 Litelink test environment Each Litelink will be tested 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 antenna was used to test the CW function.
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