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00A62 0015453 T1400J LM241 SM5520MW HD641 300A1 CPQ100
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  PF4455 datasheet ??? http://www.piphen.com ? PF4455 ?????? rke ?? ook/ask ???????? ??????????? ? ? ? ???? ? ???? ? ? ? ?? ? ?? ? ? ?? ? ?? ook/ask ? , 3 v /+12 dbm /35ma ? ?? din ? ?? 1ua ? ? ? ? , 2.2 v to 3.6v ? ? ? ? pll ?? ? ? 250mhz 450mhz ? ? ? ? ook/ask ? 60 db ?? ? ? ? sot23-6 ?
PF4455 datasheet ??? http://www.piphen.com 1. ?? 1. ?? ............................................................................................................................2 2. ?? ....................................................................................................................3 3. ....................................................................................................................3 4. ? ....................................................................................................................4 5. ....................................................................................................................4 6. ? ....................................................................................................................4 7. ? ....................................................................................................................5 8. ....................................................................................................................5 9. ?? ....................................................................................................................6
PF4455 datasheet ??? http://www.piphen.com 2. ?? 3. ? 315mhz 433.92mhz x1 9.844m 13.56m hz r1 10k 10k ohm r2 100k 100k ohm r3 0 0 ohm r4 0 0 ohm c1 nc nc f c2 27p 39p f c3 1u 1u f c4 15p 22p f c5 8.2p 6.8p f c6 8.2p 8.2p f c7 2.2u 2.2u f l1 47n 39n h l2 39n 27n h ? : 1.c1/c2 ?? ? ? ? . 2.l2/c5/c6 ? pcb ?
PF4455 datasheet ??? http://www.piphen.com 4. ? ? ? ? PF4455 6 sot23 PF4455 5. 6. ? ? i/o ?? xout o 1 vss g ? 2 paout o 3 din i 4 vdd p ? 5 xin i 6
PF4455 datasheet ??? http://www.piphen.com 7. ? ? v dd -0.3 6 v i/o ? - -0.3 5 v ?? t a -40 +85 c ?? t stg -55 +125 c 8. ? v dd = 3.0 v, v ss = 0 v, ce = high , t a = +27 c ? ? v dd - 2.2 3.0 3.6 v din=high p out =12dbm,f rf =315mhz 37 ma ( ? ) i dd din=high p out =10dbm,f rf =434mhz 39 ma i standby din=low; t delay >50ms 1 ua ? ? f rf 250 450 mhz f rf = 315mhz 12 dbm ? ( ? ) pout f rf = 434mhz 10 dbm ? ? ? ? p ext 60 db p noise 315mhz 10khz offset -75 dbc/hz ? ( ? ) p harm 2x/3x f rf -40 dbc f rf = 315mhz -50 dbc ?? p spur f rf = 434mhz -50 dbc ?? ook/ask ?? 0.5 2 50 kbps d rate fsk ?? 1 10 kbps ? ? f dev fsk ?? c l 110 150 khz ? t on c l 1 ms ? ? ? t delay f rf = 434mhz 50 ms ? : ? ?
PF4455 datasheet ??? http://www.piphen.com 9. ?? 6 ? sop23-6


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