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| http : //www.wenshing.com.tw ; http://www.rf.net.tw rws - 37 1 f series data sheet p. 1 wenshing ?? r ws - 371f rf module series wireless hi sensitivity receiver module (rf ask) version history version date changes v1.0 0 may . 25 , 20 12 1 st . edition
http : //www.wenshing.com.tw ; http://www.rf.net.tw rws - 37 1 f series data sheet p. 2 model : rws - 37 1 f - 5 ( 4 1 8 mhz) ? frequ ency range : 4 1 8 mhz ? modulate mode: ask ? circuit shape: lc ? date rate: 4800 bps ? selectivity: - 10 8 db m ? channel spacing: 500khz ? supply voltage: 3.8~ 5. 5v ? high s ensitivity p assive d esign. ? simple t o a pply with l ow e xternal c ount. electrical characteristic charact eristic sym min typ e max unit operating radio frequency fc 417.5 418 418.5 mhz sensitivity pref. - 106 - 108 - 1 10 dbm channel width - 500 + 500 khz noise equivalent bw neb 5 4 baseboard data rate 3 kb/s receiver tu rn on time 3 ms dc charact eristic symbol parameter conditions min typ e max unit vcc operating supply voltage 3.8 5 5. 5 i tot operating supply voltage 4.5 v data data out 1 data = +200 ua ( high ) vcc - 0.5 vcc v 1 data = - 10ua ( low ) 0.3 v http : //www.wenshing.com.tw ; http://www.rf.net.tw rws - 37 1 f series data sheet p. 3 pin assignment de mo c ircuit pin function 1 gnd 2 digital output 3 linear out 4 vcc 5 vcc 6 gnd 7 gnd 8 ant ( a bout 13cm ) http : //www.wenshing.com.tw ; http://www.rf.net.tw rws - 37 1 f series data sheet p. 4 demo c ircuit |
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