Free Electronic Circuits & 8085 projects

Electronic projects with circuit diagram and 8085 microprocessor projects.

Wireless USB Interface circuit -2.4 GHz-(CY6940 Series)

Published on Jul 27 2010 // Wireless Transceiver Circuits


cy4941

CY6940 series (CY6941/CY6942/CY6943) is a transceiver and baseband controller . It is mainly a wireless USB interface, which is designed for 2.4 GHz short-range wireless connectivity. It is suitable for PC, laptop computer and the places of need to use the UBS interface device applications, such as a keyboard , joystick , optical or mechanical mouse, analog or digital game action shot , universal asynchronous transceiver interface device or SPI . The main technical features are as follows : * Work frequency of 2.4 ~ 2.483 GHz; * number of available channels and 79 ; * transmit power is -20 ~ 4 dBm; * receiver sensitivity of -78 dBm (10-3 bit error rate ); * Receive Launch a distance of more than l0 m ; * l28 bit more security for the encryption ; * working voltage is 2.7 ~ 3.6 V; * standby current less than 10µA; *package in the form of l0mm × 10 mm × 1.2 mm fBGA, 64 or 81 ball ; * two-way communication,can drive six or more peripheral devices ; * There is no imbalance in the external inductor or transformer.

cy4942

cy4943