M51365SP

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MITSUBISHI ICs (TV) _ PLL-SPLIT VIF/SIF ~-- DESCRIPTION _____ [PIN CONFIGURATION (TOP VIEW) The M51365SP is a semiconductor integrated circuit consisting of an IF signal processor suitable for color TV RF AGC. cf OUTPUT (REVERSE) [3] viogo INPUT vt Ve sets and VTRs with AV. vingo NeGaTWve FEEDBACK [2] [23] CONTROL OUTPUT Circuits include VIF amplifiers, video detector, VCO, APC FOALED output EH Fens ue detector, AFT, video equalizer, plus IF/RF AGC and SIF RF Acc beLay EE] [zz } ET COIL i Veo (iF) J 126) detector functions. ie acc Ficter [6] = fB) arc Fitter GND wit) EE] & fal cno woo, FEATURES F ineur { a 3 z } veo com # Employment of a full synchronous detector circuit using ono win FB vce won PLL as video detector provides excellent DG, DP, 920kHz SiF det INPUT [1] [Ea) CONTROL FILTER beat and cross color characteristics. Vee (SIF) Ea AUDIO OUTPUT LIMITED INPUT a] LIMITER OUTPUT @ Usage of PLL-SPLIT method to obtain intercarrier by ““"pypass [Ee] FM DETECTOR INPUT separating video IF and audio IF pracessing by VCO output SIF det OuTPUT [3] fig] AFT OUTPUT provides good sound sensitivity and reduces buzz. In consumer sets, intercarrier is also available from the video Outline 30P48 detector output. @ Built-in video equalizer suitable for VTRs and color TV sets equipped with video output terminals. @ Employment of quadrature detector circuit for FM detection of audio IF requires no adjustment.

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TV sets, VTR tuners RECOMMENDED OPERATING CONDITIONS Supply voltage range ..vsccsesrnesenesnssentnenene B= TOV Rated supply voltage «usecase OV BLOCK DIAGRAM AFT COIL apc Veo COIL conTROL AUDIO. LIMITER VIDEO OUTPUT TRO APC RE OONUTER «GureuT — GuTPUT ' @) ono weor CONTROL @® Cl | (21) Vec (veo) LOCK FM Hed vipeo | SONTRO! AFT OUTPUT W358 @ 2 pscuaton © NOISE \\ ' avemrer| Loevecror fe [| er EQUALIZER, RF fa AMPLIFIER [ames | oe = @ v tT T i 1ST IF SIF || (9) Soe RF AGC amptirier| | DETECTOR ourPut Sa 0) (reverse) “> ' VIDEO © EQUALIZER AFF acc. XK SIF det LIMITER SYPASS NEGATIVE OUTPUT. AGC. FILTER WF INPUT INPUT = INPUT FEEDBACK DeLay —_— ESSE

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MITSUBISHI ICs (TV) M51365SP . PLL-SPLIT VIF/SIF . ABSOLUTE MAXIMUM RATINGS ange 14 ‘ [Pe | Power dssioaion 1260 =20-75 200,160 [ Seas 9 | Permissbe suse in @) id 200,160 [| Permissbie supe ther nay 2266 ELECTRICAL CHARACTERISTICS (Ta=25°C, Vcc=9V, unless otherwise noted) VIF SECTION Symbo! Parameter Se * gwich is sot vt | we | Ve fm | Unit al [ve] [tectviry | Grommaurenniier —fifar |= |= [3 [= |= lewimaswens | =| | a7 | ma | [ve | Seer fr free| = [=] s fo |= Jowers.owne | aa fame far | v | [v — [eeeemesror [reel = [= [3 fo [= fowenaswane | ea | oe | oe] v | | Mesos [voaewciorouont |i frra|sail = [3 |= |= [swans [ins [4s [7.75 | von | [Mowe | voroaneorouou? [i frre|seil — | 3 |= |= [swona [ie [1.95 [2.3 | von | [en [veeosn fi frerelscal— | 3 |= |= [owens.enene “ea] so | se || os | [an | aaceonwotenee fr = [= [= [= = [=| Feterwrows| se |e || a | [Min | wosimamir ascworeee fv [vra] — [— [a |= | = [owans [es[es] |v | [ Wressen| 1 Ace vow oxen [1 [rea|se8] — [3 |= |= [swens [aa [ae] ss[ vy | [ve | Minimum iF AsCenwne [i [re3}sa7| — [3 | — | = [swans | aa[ se} oat v | [vow | teominamn _|'}rfeelc] 2 [~[~ loon [io | | [ae | fo sir-2 4.5MHz output (80484) 1/TP4 sw2=3 101 dB ye [ve [Artenourvenee —ifres| — [= [3 [0 |= [swons [set as} sal v | [in [arramoraninay [free paid — [3 |= [= [ewes veers] a | 70 | 9 [nv [view | Moximunarrvonow [free paid — | 3 |— |= [ewens reeromer) ef a7] | v | [vie [Minimum nr accor [i [res bard — [3 [=| —|swens rwtrrorowal [ose | nol v | | Min [Winiram nF ascvoree |v [rer [sea] — [2 |= [= [swons [7 [aes [| [vie | vexinum ar accor |r [rer|saa] — [-« [= |= [owens [fete t vw | [eur [omnes fifreagsanl— [3 |=] = |swens eternal os [ao] | mne| [cut [eoowrerensetit [i [reo san|— [3 [= |= [swensretwrorow tof v2 [1.7 [| ne | [eur [emuernem ft = {= {=|-|= |=] reronow [20] a7 | | wns | SW2==3, SW5=2 CL-U2 | Capture range (U) 2 TPO S 3 Refer to nata 9 [ose [ewww mbe=[3 [FR | oo | [| Lock detection threshold j-| SW2=3, SW3, 4, 5=2 fmm [cement feel = [=] | fax eom | ae [eof ee | a

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MITSUBISHI ICs (TV) . PLL-SPLIT VIF/SIF VIF SECTION (cont.) , . Symbol Parameter 5 u | F [wes ws [vs [ve] TPS TPS [Fee [sornronaownn2 [i aon] ~ | 9 |- | | Snees_ Peerroroe's |e [=| 72 | | TPS FC3 EQ frequency characteristics 3 3 ‘SW2==3 Refer to note 14 TP2 Intermodulation TPO Vari- Sw2=3,Sw3—2 ate Refer to note 15 [es [os Yer fsaiel = ST] ovens retro] [2] 8 | [or [op ______fifresfscrel — [3 [= [= [owansratronooe | | 2 | 5 | wea | Black spot inverter Vari SW2=3, SW3=2 1 1? 2 Vern threshold level TR able Refer to note 17 3 . * v y Biack spot inverter tee |se1 Vari SW2=3, SW3=2 ay | aol art v eck clamp level sq able Refer to note 17 ~ 7 * [Vers | Pa@areormiee [1] ree[seal — [3 | — |= [swans [rintvi [ vrintvesene [2] [ower] - [3 [— [| [pes | [ea | [cintvy | wripateancione a] [over] = [3 [= [=| as a [rincsiy | sirtinoneaswres fe] | = faeal 3 |= [| [are [enisiy [sirinerencires Ja} | — feast 3 [- 1] ee SIF SECTION §| & Symbol Parameter 5 Unit 3B foray [vs [ve [ve [eats] carer if} —| [ol -| - [ewasswne [so [aa [aa | ma | [vis | ar eumurocvonee _fifresf—[ [| — | — [swims [so fee [sz] v | [Vonraas | weumon ar oveut [i [res|sen] [0 | = | = [swims [sso | 600 | e80 [mv [THs [aren ssoven [i resfscal [0 [- | [swims [fez ots | [ vinwim | wowrioninaseenover i [reefsal [0 [—-|— [swims mwiower] | a | «6 [oon] [ama [ama [i free |saref To | = [= [swica feterionoweia so [eo [Tae | Lsin Tar syn [ifr |scaol fo [= [= [swiza fetertonoie20[ oo [75 [| ee | ELECTRICAL CHARACTERISTICS TEST METHOD b. Measure Vi, the component of 1MHz at TP9. Note 1.Video s/n “P/N” c. Decrease frequency fz level until the component a. Input SG2 to VIF IN. (fi-f2) at TP9 becomes 3dB smaller than Vi, and b. Passing Pin 28 noise through alow pass filter (MHz, read the value at that level, at -3dB), measure the ouput voltage at TP10 in d. Bw=58.75 ~ fe (MHz) rms. Note3.Input sensitivity “Vin(min)” Vodet1 (Vp-p) x 0.7 . ¢. PIN=20 log th Vp-p a, Input SG4 to VIF IN. noise (Vrms) b. Decrease SG4 evel until pin 28 detector output Voget 1 is video detector output 1. is ade ‘smaller thatn Vodet 1. This is the input sensitivity level. Note 2. Video frequency characteristics “Bw” a. SG3 is set as follows. f1=58.75MHz Vi=90dBu ‘xed signal mi f2=57.75MHz Vi=70dBu } xed signal LL MITSUBISHI 2 - 190 oe es

MITSUBISHI ICs (TV) M51365SP

7 PLL-SPLIT VIF/SIF

Note 4. Maximum permissible input “Vin(max)” — a. Set SG5 at 90dBp and input to VIF IN. TP8 b. V2 is detector output at pin 28. VOLTAGE c. Increase SG5 voltage until detector output becomes 3dB smaller than Vz. This is the maximum v permissible voltage. 7 Note 5. AGC control range “GR” i a. AGC control range is defined as follows: f Ve0 GR=maximum permissible input-input sensitivity Varn Note 6. AFT detector sensitivity “1” a. Input SG10 to VIF IN Note 13. Minimum pin 29 voltage “V20.” b. Measure frequency difference Af when DC voltage a. Vast is the minimum voltage mentioned in note at TPS transits from 3.0V to 6.0V. 12. c. AFT detector sensitivity is defined as follows: Note 14. EQ frequency characteristics“FC1""FC2” “FC3” a. Input SG12, SG13 or SG14 to VIF IN. p= 3000MV vik) b. Measure level of (ff) component at TP9, this Af (kHz) is Veo w (dBy). c. Measure level of (fi-fz) component at TP2, this v ar is Veo our (dBy). d. EQ frequency characteristics are defined as follows: ev FC1~3=Vea out-Veo in (dB) Note 15. Intermodulation“IM” a. Input SG15 to VIF IN 3y| b. Read values of TP9 on an oscilloscope and adjust View Ve voltage to set minimum level of detector output to Timuz) waveform at 2V. 58. 75MHz c. Observe TP9 value on a spectrum analyzer. The relation 920kHz level to 3.58MHz level is the intermodulation. Note 7. Maximum AFT voltage “Vic” a. Maximum AFT voltage is Viex in the above figure. F Note 8. Minimum AFT voltage “Vie.” a. Minimum AFT voltage is Vis. in the above figure. 2 Note 9. Capture range (U) “CL-U-1” “CL-U-2” a. Input SG11 to VIF IN and increase frequency until VCO lock is removed. Note 16. DG,DP “DG,DP” b. Decrease SG11 frequency until VCO lock is enabled a. As shown below, the modulated waveform of SG16 again. This frequency is fv (MHz). is a 10-step wave with 87.5% video modulation c. Capture range (U) is fv-58.75 (MHz). b, Measure values of DG and DP at TP9 on a Note 10. Capture range (L) “CL-L-1” “CL-L-2” vectorscope. a. Input SG11 to VIF IN and decrease frequency until VCO lock is removed. + b. Increase SG11 frequency until VCO lock is enabled 10% again. This frequency is fi (MHz). c. Capture range (L) is between 58.75-fi (MHz). “ 10096 Note 11. Capture range (T) “CT-T”. ’ a. "CL-T’ = "CL-U-1" + *CCL-L~1" (MHz) Note 12. Lock detection threshold voltage “Vzomi” a. Measure TP8 value with Vzo voltage at 3V. SUBCARRIER 3. 58MHz [vom b. Increase Vz0 voltage until TP8 voltage shows drastic change. This voltage is VzorH. (threshold 1V) pe eRe ELECTRIC 2-191

. MITSUBISHI ICs (TV) - PLL-SPLIT VIF/SIF Note 17. Black spot inverter threshold, clamp level INPUT SIGNAL ~ “Va my Ve ob” [se | rersane Notestomiemnas sam] a. Input SG1 to VIF IN Equivalent 10 87 5% b. Measure DC voltages from output waveform at fo=58.TOMHZ Vir 9048. 74a vies modulation ) TP2 as shown in the figure. % =58,75MHz vi=900B f= 58, 75MHz Vir0dB | 3 mixed signal Vec.--—-- fe=S3:tSMHz_Vi=70dB | 4 | t=58.75MHz Vi=Vaviable fm=20kKHz 77. 78%AM | 5 | to=58.75MHz Vi=Vaviable fm=20kHz 16%AM Vern ----9 [6 | %=58.75MHz Vi=80dBy. TEST POINT [7 | =58.75MHz Vi=1100B yp [8 | %=54.25MHz Vi=1000B yp [9 | )=54.25MHz Vi=80dB yp Note 18. Input limiting sensitivity “Vin(lim)” |_10 | t)=S8. 75MHZtSMHz _vi=900B a, Set SG18 value at 80dBy and input to SIF2 IN. [71 _| ta8e.7GMHetbuH Vi=90dB yn frmm20eh T7L7O%AM | - b. Decrease SG18 output untill detector output at TP6 h=58.75MHz Vi=900B x ; becomes 3dB smaller than VOar max. fp=58,25MHz Vi=60d8 } mixed signal That SG18 level is the input limiting sensitivity. 1158, 75MHzVi=900B x “AMR” 13 } mixed signai Note 19. AMR “AMR fp=55.75MHz Vi=600B a. Input SG19 to SIF2 IN. 11=58, MHz w= Bta8 >) ; b. Measure Vam, which is output voltage at TP6. fp=54,75MHz vj=60dB,, | 2? signal c. AMR is defined as follows: 11=58, 75MHz Vi=90B p v 7 ty=55. 17MHz waste | me signal MR=20 log Moor we vies) (dB) 1=54.25MHz Vi=80dB yp Vas (mvims) fo=58. 75MHZ, standard 10step modulation Note 20. AF S/N “S/N” m=87, 5% video modulation syne chip level 9048 x a. input $G20 to SIF2 IN. fom4.SMHz+25kHz dev Vi=100dBy tm=400Hz b. The output voltage measured at TP6 is VN. |_ 1 | toma. SMHz:t25kH2 dev Vi=Vaviabel_fm=400Hz ©. AF SIN is defined as follows : [19 | o=4 siz Vier10008 _3096AM_tm=400H2 | 20 | fo=4.5MHz Vi==100GBy Voar max (mVrms) [2 | o=4 = =400HZ +7. S/N=20 log (dB) 21 fo==4.5MHz Vi==100dBu fm=400Hz+7.5kHz dev Vw (mVrms) * The oscillation levels of all AM modulated waves are those at the peak level * The following circuit is used for the mixer. 5 Ey * Set IF AGC voltage of Vco coil at OV and adjust free run frequency at 58.75MHz in quiescent state. TE MITSUBISHI 2 - 192 oa leRs

MITSUBISHI ICs (TV) . PLL-SPLIT VIF/SIF Se TEST CIRCUIT 1 Veo TPS ; ? 2k $60 2 TP10 ~—fer fog bet sé S52 TPE asMHe 20.015. OISCRIMINATOR 124 910 63.3 4 CDAMC20 0 0.47 fF s4 Vee ove a *Lel dt = 390 g taar" + fy 92 7.5K: 20K Wy TP7 id ad 3k 22p|0. 01 300k bs fein bd fo Pa 7 be Pi Pa Pa fA i fo fy fii [i7i fie) a 2) 8 0 fh Ph a 8 Pad] TPO 768 4 Vee) 1p3 Canal 5 S 910 sone = it 9 | sao [ ae Jets g pe 27, Pees Leong? 50 50) PA 3.6 TP2 Vi tT Ve © 50 0.07 SIF2IN 150P 9.01 a + a ‘Ip 0.47 4 ia 47 B24 R= B68 tthe! st Ql gp oe ? on ° Vee ° O2 Units . ai? a Resistance: Capacitance: F TEST CIRCUIT 2 Vec™9V © oor 01 ye t tf t |? ou fs 0.01 ye DAB RRA M51365SP TooToo oOo e eo 2 0.01 0.01 vio py + “ 10k “J mu + QMETERI| oMETER Lo Lo Units Resistance: 9 Capacitance: F ae ELECTRIC 2 - 193

MITSUBISHI ICs (TV) M51365SP : PLL-SPLIT VIF/SIF TYPICAL CHARACTERISTICS THERMAL DERATING (MAXIMUM RATING) att TT Ty = 128 et] NET TT 1.0 i z sot t | A] | sot | TN | ° Na © 04 sj. | | | hI © o2 N tt | TiN -20 0 25 50 75 100 125 AMBIENT TEMPERATURE Ta (‘C) APPLICATION EXAMPLE Veco 9V° s = - gyoo Audi ; 3 dio H Yeo ‘out "| AFT. OUT Bq_fes|fee] fer] el fel fe [es] feo) fey) fe fis} fie] fr) [ie] Phe FS ES SS [Oyo Se TOCK PHASE ca a Eeak: vco R iF — AGC AGC a Jaweuiriea) |oerecror| — rr | | LT RIB Ge Ce tl td by erty by bg VOLTAGE aa ag ER CONTROL a eScta RF AGC i t our t~ BLACK oD = NOISE 3 71) 7 iivenreR 33 3 SIF V. I] 8 ce : Tuner eS eRe" 2 - 194 ELECTRIC