A-FOUR TECH RFW-5 Operationele beschrijving

Blader online of download pdf Operationele beschrijving voor {categorie_naam} A-FOUR TECH RFW-5. A-FOUR TECH RFW-5 2 pagina's. Wireless radio wheel mouse

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An Operational Description

The RF mouse transmitted by use FSK (Frequency Shift Key) radio frequcy technology to operate a special designed receiver which associated with an

IBM compatible PC. The FSK Technology is a kind of FM modulation. The modulation depth was designed by the manufacture, such as + 3KHz that

means the series digital data 0 or 1 were transnitted as carrier frequency minus 3 KHz or plus 3KHz. In the block diagram locatin A (please refer to the

next page) which was series digital data as usual. The location B was modulated by FSK. And then the carrier frequency was slected by a switch.