AN7218 PANASONIC
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DUA, A-F7ARIC AN7218 AM ¥1—+, FM-AM M2234 /AM Tuner, FM-AM IF Amplifier Circuit @ 8 F Description Unit 2mm AN 7218 (31RAEE CHM AHS FM-AM 354, FU that 1 16 R= yhF- 7 La KH eat Ste FM IF SHbeb & AM F 2 2 15 nr AM IF Sti FH o> oi oe SF IIB TH 3 Mo | ore 4 13 ar 5 yw = |e ts Os &/ Features 6 n g — @ OPO IR MIE CHE MOTEL. & CURIE REE a 7 0) Eps Vec=2.5~6V, (4V typ) 8 9 Ino) ts OFM 70 7 12a LF SONG OIE CHA. [-5max| 0.81min, — OAM 70 7ISHG, RABI, TF ORDER CHE A 7,62 + 0.25 5.Omax. 28min. = @ AGC (IR ETSI, FCA AGC RHE: BARAT S NS | — © SW HO HEAL Amy ¢ fi =18 MHz — 0.27 ' @Stable operation over a wide range of supply voltage, e +£0.08 good low voltage characteristies : Vec=2.5~6V, (4V “13” Lead Plastic DIL Package typ.) @FM block consists of high gain IF amplifier @AM block consists of mixer, local oscillator and IF amplifier @ Built-in AGC circuit provide better AGC and distortion characteristics @SW band available : fi=18MHz @ SMHHSchenatic Diagram 0) ® @ ® 6) © QO Dy Qa Qn Ris 5 DY a Ke fa, [ git ue ae er a @ 2 ~ " to Res! R; Roo: Riz Ris Ds: rk , SRe Ros Ro \\ Qs yy Qe yD PRS 7 7 Qs . Qe Diz Roo. r Q 1 Roy re De y tae —— — a = a } c) ® D ie) ® ® () oo, Panasonic — 213 —
GUA, A-FAARIC AN7218 tt a BM @HBAKEK / Absolute Maximum Ratings (Ta = 25°C) Item Unit CREE - Vee 9 Vv FIR a Pp : 270 mW ye PH _ Toor —20~+75 °C RARE Tare —40~ +125 Cc FM #8 ee Dev. = 22.5kHz, 400 Hz me MW 3&6 — eo) . Mod.= 30% , 400 Hz a 5 | tt | 13-4 [mvVi IE (Det) Vo 1 | Re=10k@, with Det. |V.—1mVine | 50 | 75 | 100 |mVens Mee DE Vno 1 |R,= ©, at without signal [2 [mene SW 6 Fei EI 1 Vos 1 | fose = 23.455 MHz (Pin @ ) [azo [220 [| mV Test Circuit 1 Tr T, 2-0A90 (RLI4M504) (RLI4M506) Ries 2, (5DLO4C) r wea UkQ 330pF 5-9. SHE = is RF Zi8 % te L—4 a os otis a i P-OAvOR IH Bie (RVFIO7MFR)|. | Se FM Signal Gen. sag ste Cioe Riot 21% vp-808A | Rio: me + ES] 285 [Ri 3300 F0.022uF wks STS 510 ats S| Pe = 7 38! oTSs — ES te | att 8] - (RLO2MIA)| Aone S FMo Vo[ AF Cos Ll 1a ¢ ! re 6 AC Voltmeter T5pFT_! | 1615 14.13 12 11 10 9 | AM THA
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vere? T. (BO30A)) | 0.014F Zesty Nef Cons 00%pF, Cis OLA poem MW. [Cio O01MR"?. [“ee'S lee Sly, (RLT2M402) |e.» oozzuF| Cine HF |Z Cw 1 QEt rs) poh a Te REMAO find ale 30pF F_ e! ' 3 LO Ross TE i EY nemearses T—T$wy | ana i = 02 | tam , Crp I Guat Rina ion Z 0.0224F | (RLI7W105R-1) a AM FM : mos | ” 2 . + O42 © toes a Rios 220 Cum we Veo & Cus wee BC 117 ao 0.022yF a For (Rex ozrd £ a NN Panseonic 214—
DIA, A-FAARIC AN7218 Vo, THD, Vino — Vil FM) Vo, THD, Vo — Vec{ FM) Vo, THD— Mod (FM)
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= ob PE. @2 LE a SE a : S=S===S=s==—- ees SS SS = = SS Se Perl LL LIFE Jon 2% ool EEE EET Jone oT Yt ts 0 20 40 60 80 100 120 3 0 2 4 +6 8 1 #* 0 2 40 60 80 100 ANGE Vo UB RiRME Veo (V iM Mos (%) Vo, THD, Vno— Vi( AM) Vo, THD — Vj (AM) Vo, THD, Vno — Vec( AM) = 1000 | 1000 = ee EES = “Tt Sse SS oe as on See SMH == 2 ao0lt, footie Pa & 500) 5, 40082 SSS 2 300) aie Seer = soon] aa soo] Neeser ere] Fat 0 = ==——_ =a s [| i CT a soo tt ve | & SSS SSS SSaaa = LAT Je BSS <== ——| fe 0p ae oe Ae ee SS SS = =o ee iA HH @EAESERRERR A SS ee > LC a oP ote fe === ======- =e HH CLC) 2 “BESS SSS Sse" : ==S=a— fi | 2 SESS = S oPRSe eetig es “2 LUT) Ree ~ CLONE, => SSeS aS SLM) ae = === == 5 pe = = ee =o eee ee === = === ® ee ECE HH Hye oo Re Eth .2* TT = al LEP Tit e® 0 20 40 60 80 100 120 = 0 20 40 60 80 100 120 0 2 4 6 8 10 AN BIE Vi dB NEE VW (dB BMBF Veo 1V) @ GRABS Application Circuit Ts (LIANG) Ts, (RLIMMEIG) | 1K, Z2(8DLOC)_g [aie obe cao ds) Syrsi.S = [2 Ls u a ig i 3 ka | : 1S CF (RVEFIOIMFR)¢t 2-0A90 _. Ak GB 510 = 0.022 uF Fy, fi 1 our | 1S} 100g i3 AM Ose. (RLO2M14)) a a r eS G a Tes 45 67 8178 i ca e | AN7218 oe) FM -0 Output / boo 16 1514 13 1211 10 9 AM AM Ant. eH ] — a -_ | ao 3, ¢ 0.022uF Spee Ta) ar eel Ts(RL12M402) || oor 7a 00m | / rah! BEtTQG” pMW 2 _777| foc; “try g i Ss! pace 1 C ‘jage@at = se: Lp ew 3 Bovsesnnsoe TT TSW? ona ST ge | Rt Hy 50% Bs Psi (RLITWI05R-1) 10uF 0A90 orm * se. — — ° 0.022uF: * FM 0.022uF Ze" 47 uF oe = Es sod he z : —— Sees —215— Panasonic
DUA, A-F+ABIC AN7218 B7Y> be SS —>Bl/ Printed Circuit Board Layout {e) fe) a i 20A90 1010 r ce ee ee Shea RLI2Mggp2-Mo Een Bie 5) Be et OO ON agent OME pers } 10k Ge aes | Pe Coegtrwio RT ge Wenn FS eat P4700 ae | ae Bottom View Panasonic 216