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| Datasheet File OCR Text: |
| ? AT1461 casic fm 1 AT1461 ? pll fm ?????? 2.4ghz ??? 479.5mhz ? AT1461 ?? ???? pal ??? ? ? pll ?? ? vco ??? ??? ??? afc 75 ??? ? esd mp16 ??? ??? ??? ?? ????
? AT1461 casic fm 2 ? AT1461 ??????? agc ? pll ????? afc ?? 479.5m ???????? ? -40dbm ?????? ??? agc ??????? , ? -30 -35dbm ??????? agc ?? ?? : pll ? ??????? ???? ??????????? ???? ?? vco ?? dc ? vco ? ? AT1461 casic fm 3 ????????? ????????????? ????? ?? 75 ??? ? 75 ????? ?????? 6db ??? ?? pll ?????? 1 r 1 c 0 k vco d k 2 r 2 c n ? ? 0 1 2 d n kk = ? d k 0.25v/rad ?? 2 2 n = d k 0.5v/rad ?? ??? pll 3db ? 222 222 3 (2 1) (2 1) 1 db n n ?? ? = + + + ? 1 2 ? 3 db 2 n afc ? AT1461 ????????? dc ?? rf ??? afc dc ???? dc ? ? AT1461 casic fm 4 adc ????? 2 i c ??? sp5055 sp5056 ????? 2 i c adc ? ? dc ??? sp5055 ??? 0.375vcc ? 6 ?? adc ?? afc ????? rf ?? vco ? 15mhz/dv ??? 25mhz rf ?? afc dc ? ? ?? afc ??????????? ?????????? ?????????? afc dc ? ??? rf ?? afc dc ?? ?????????? 2500* dv i dt c = cc ext v i r = ext cc = AT1461 ? & ? ? 36 40 ma ? 300 479.5 800 mhz -40 dbm ?? ? 0 dbm vco 20 mhz/v vco ? 25 % vco ?? 2.0 mhz/v ? AT1461 casic fm 5 vco ?? 0.25 khz/c lpf 0.5 0.25 v/rad ?? 0.5 ? 0.25 lpf 450 570 700 ? lpf 25 ? lpf 38 db lpf 240 mhz lpf ? 1.28 vpp ? 55 75 95 ? ?? ? ? ? 66 1.9 0.5 1.0 72 0.3 0.4 5 2.5 3 -40 3 2 % % degree db db % % 1k ? 75k ? 75k ? 1k ? 1k ? 1k ? agc 10 410 ua agc ?? 0 250 ua afc ? 0 400 ua 400 ? 1.5v afc ?? 50 ua afc ? 10 ua afc ?? afc ?? 0.4 v afc ? AT1461 ? ??? ve e 0v ??? ? ? & ? ?? ?? ? dc osc dc video dc videofeedback dc videooutput dc afcpump dc afc ? dc afc dc agc ? dc agc dc ? ?? -0.3 -0.3 -0.3 -0.3 -0.3 -0.3 -0.3 -0.3 -0.3 -0.3 -0.3 -55 7 2.5 vcc+0.3 vcc+0.3 vcc+0.3 vcc+0.3 vcc+0.3 vcc+0.3 vcc+0.3 vcc+0.3 vcc+0.3 vcc+0.3 125 150 v vp-p v v v v v v v v v v 0 c ? AT1461 casic fm 6 mp16 ? 5.5v ? esd 1 15 esd 16 2 1.7 111 250 0 c w mw kv kv ???? |
Price & Availability of AT1461
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