http : //www.wenshing.com.tw ; http://www.rf.net.tw rws - audio24 data s heet p. 1 wenshing ?? r ws - audio24 rf module high efficiency digital wireless audio receiver module version history version date changes v1.01 jul . 1 9 , 200 7 1 st . edition v1.02 feb .2 , 200 8 2 nd . edition v1.0 3 aug . 25 , 200 8 3 r d . edition
http : //www.wenshing.com.tw ; http://www.rf.net.tw rws - audio24 data s heet p. 2 application ? special design for anti - disruption under audio signal transmission. ? digital audio transmission at full cd quality. ? provide mute function ? transmitter and receiver channel memory ? volume memory ? low power design: when close the transmitter, the receiver will automatically enter to sleep condition, so that can save power consumption. ? when transmitter changes the freq., the receiver will automatically lock freq. after first time searching the new freq. in the future, when transmitt er changes the channel again, the receiver will auto lock the freq. ? one transmitter can correspond with many receivers at the same time. ? digital volume control: the volume of receiver side is controlled by transmitter side. ? applications: wireless speaker, wireless headphone, wireless home theater, wireless head free , wireless microphone, wireless baby monitor, wireless portable, wireless automotive audio. specification frequency range 2400~2449mhz channel auto search working voltage 3~5v modulation g f sk mode of transmission rf digital frequency band 1mhz power consumption 35ma frequency response 20 h z ~ 20khz, - 6dbm thd 0.3% (1w) channel separation 43~51db m max volume noise 0.85mv sn ratio 80db m (typical) dynamic range 80db m (typical) operating te mperature - 10~+ 70 antenna dipole
http : //www.wenshing.com.tw ; http://www.rf.net.tw rws - audio24 data s heet p. 3 size
http : //www.wenshing.com.tw ; http://www.rf.net.tw rws - audio24 data s heet p. 4 pin assignment vdd power dgnd n umber signal earth gpio1 led gpio2 m ay define gpio3 search channel button gpio4 control amplifier power audio l audio l audio r audio r agnd s imulate signal agnd
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