M51366SP

M51366SP MITSUBISHI | Alldatasheet

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MITSUBISHI ICs (TV) PLL-SPLIT VIF/SIF DESCRIPTION . PIN CONFIGURATION (TOP VIEW), The M51366SP is a semiconductor integrated circuit consisting of IF signal processor suitable for color TV sets Age OUTPUT (VERSE F RF AGC OUTPUT (REVERSE) CT] [] viDEO INPUT and VCRs with AV. _ VIDEO NEGATIVE FEEDBACK [2] [fs] CONTROL OUTPUT The circuit includes VIF amplifier, Video detector, VCO, APC ‘| EquaLizeR OUTPUT [a] Esl VIDEO OUTPUT detector, AFT, video equalizer, IF/RF AGC, SIF detector, RF AGC DELAY [4] a Vee (VIF) [5] fay } AFT Com SIF limiter and FM detector functions. 1 = IF AGC ricten { fe] Ss By Arc Fitter 2) S GND (VCO) FEATURES F wweut { we B } veo col , i 8 @A full synchronous detector circuit using PLL as video GND (SIF) fo] © [Bd Vcc «veo detector provides excellent DG, DP, 920 kHz beat and SIF det. INPUT Fa) CONTROL FILTER cross color characteristics. Vee (SIF) [2] fa Auoio oureut LIMITER INPUT [3] i] LIMITER OUTPUT e The PLL-SPLIT method in which video IF and audio IF BYPASS [al FM DETECTOR INPUT signal processings are separated and VCO output is used SIF det. OUTPUT [5] fis) AFT OUTPUT to obtain intercarrier provides good sound sensitivity and reduces buzz. In consumer sets, intercarrier is also available from the video detector output. Outline 30P4B @ Built-in video equalizer is suitable for VCRs and color TV sets equipped with video output terminals. APPLICATIONS @ The quadrature detector circuit for FM detector has good TV sets, VCR tuners linearity, and it is possible to eliminate necessity of adjustment. RECOMMENDED OPERATING CONDITIONS Rated supply voltage sarc. vccssnssecsstecsetssnsseeeteeeees9V BLOCK DIAGRAM CONTROL, APC FILTER aypio LIMITER VIDEO OUTPUT ART COW FIMTER XO | obreur » OUTPUT 1 @4) GND (vcO) CONTROL — ‘ouTPUT G9} TI [ o—S @i) Vee «voo) FM DETECTOR ROCK PHASE FM VIDE vi . Al iT NIBEO G9 (i AFT OUTPU inverter | | [DETECTOR +--+ [Lunarer ' ! — [[umater 2ND IF GND (SIF) EQUALIZER RE IE ANRUFER LIMITER ' GND (SIF) (0) 2 AGC AGC | RE AGC OUTPUT AMPLIFIER |_| DETECTOR OuTPUT (REVERSE) @ i] 1 VIDEO EQUALIZER RF AGC —v— ——~ ‘SIF_det. UMITER Pi NEGATIVE OUTPUT DELAY = IF AGC IF INPUT iNPUT iNpUT. YASS FEEDBACK FILTER ¢ MITSUBISHI ELECTRIC 2 - 195

MITSUBISHI ICs (TV) PLL-SPLIT VIF/SIF —$— $ SS ABSOLUTE MAXIMUM RATINGS —_ Ratings [Pe | Power dissipation 1250 = 20~75 = 40~125 = 200 ELECTRICAL CHARACTERISTICS (Ta = 25°C, VCC = QV, unless otherwise noted) VIF SECTION Test_conditions ‘Symbol Parameter | [trout signal faces! sree weoin60] %& Switches should T Unit usually be set to 1 vp. | loo cry | Circuit current (VIF) |i [ail — | - | 3 | - | - [swi=2sw2=3 | Vou | va srecer ot wre [1 [TPO] = | = [3 | 0 | = |swe=sswa=2 | 34] a7 | 41] v_| | Vs | vio acer tout oe vote? [1 [TP2] — | - [3 | 0 [ - [sw2=3,sw3=2 | 43] 476i [ v_| | Vo cet: | Video detector outeut 1[1 [TPa|sci| - [3 | - [= [sw2=3 [1.15 [1.45 [1.75 | Ve-r | | Vo detz | Video detector outeut 2/1 |TP2|sci] - | 3 | = | = [sw2=3 [P/N [Video S/N | [rPro|sc2i - | 3 [- | = [sw2=3swe=2 vewnl so; se{ | ob | | Bw | video frowencr creracterietics [1 [TPO|SG3]_— [3 [- | —[sw2=3 (ote 2| 50 | 65 | | MHz | | Vin (nin) | Input sensitivity __|1|Tre|scal — [3 [-)—[sw2=3 ote 3| [46 | 51 | Bu | | Vin (oo | Waxinun allovable input|1[TP9|sGs] - [3 | - | - [sw2=3 ~~ (Note 4)| for [710 |_| Bu | | GR | AGC control range [i] = | - |= | - | ==] ote 5)| 68 | 64 [TB | | Viw | IF AGC maximum voltage 1 [TP3] — | - [3 | = | = [Sw2=3 [es] a6] | v | IF AGC vol tago(60dBu) [1 [TP3|Sc6] = 3 [= | = [sw2=3 | Vu__| IF AGC minimum voltage | |TP3|SG7| - [3 | = |= [sw2=3 [34] 39] 44) Vv | SIF det, 4.5MHz _ for [seers [ifdonlenls[-[=Jore-e [vee eo ne ans ‘SIF det, 4.5MHz = Poors | Seas [ifs = [= Jovesa wo [wr [as | Vis | AFT output voltage [7 TPs] — | - | 3 [0 | — [Sw2=3 [ 32 | 43 [647 Vv] |u| AFT detector sensitivity [1 [TP|SGi0| ~ [3 [- | [sw2=3 Wote 6)| 48 | 70 | 92 |av/ee| | View [AFT maximum voltage [1 |TP5/scio] — [3 | - |= |sw2=3 Wote | 8 | a7| | Vv | | Vie. [AFT minimum voltage [7 |TP5[ss10] — [3 [= |= [sw2=3 Wote ®[ _—+| 038 | 10] v_| | Vin | RF AGC maximum voitese [1 [TP1/sG2| = | 2 |= | = [sw2=3 [69] 78] vi RE AGC mininun voltage {1 [TPi{sG2l = [4 [- | - [swa=3 oT ot Vv | CL-UI | Capture range (U)__ [7 [TPa|sen| -— [3 [—- | -[swa=3 ote | 05 | 10 [| Miz | | CL-L1 "| Capture renge (Ly | [Pa|seii[ = [3 | [= |sw2=3 (Note “Of 12 [1.7 |__| Mee | | CL-T | Capture ranoe Dt] = [= | - | - [= |=] ote | 20 [27 [TT Mie | Capture range (U) [1 [TPafssii| = | 3 | = | = [sw2=3.Sw5=2 cow 9| 0.45 | 1.0 | 1.60 | MHz | [CL=12 | Capture range (L) [1 [rPa|seri| — [3 | = | = [sw2=3sws=2 ow io! 095 | 1.5 | 2.05 | Mee | Lock detector SW2 = 3,SW3,4,5 = 2 [vom | Fetes [frre - | = [3 [§ fond dies 1a| 2°) 40] 44 | v | Minimum voltage SW2 = 3,SW3,4,5 = 2 SE ee al || 05 | v | $$ eee MITSUBISHI 2 - 196 wees

MITSUBISHI ICs (TV) - . PLL-SPLIT VIF/SIF a “VIF SECTION (cont.) altest Symbol Parameter \\32|_ °°" [input signal Faterat paw nepivoo] & Switches should Unit Speint) Vir [SIFT] Vi | V7 [V20| usually be set. to | Tye. | Max | EQ frequency TPS . : for [Seeee pels [= [Joos ommrol a0 | a8) eof | EQ frequency TPQ) = EQ frequency TPS = [im [rwmesioen —[ifreofns| = [foe = [PASM | | | |e | [os [os S—=* fasta = [3 [= [= [sw2=3 Wowie) [2 tS | | [orp [op ————=* sr ajsone] - [3 | -[- [sw2=3 Woteié)[ | 2 | 5 | deo. | Black spot inverter SW2 = 3,5W3 = 2 Vern | eed level [1 [ree SGI | - | 3 beng = | GNote 17) 14] 18] Vv Black spot inverter SW2 = 3,SW3 = 2 Voc. | clamp level [1 [rea sci [=| 3 bef = | ote | 27 | 42] 47) ¥ | Vero [Syne tip level at nin @ [7 [TP2|sc2] - | 3 | ~ | - [Sw2=3 [Rin | VIF input resistance | 2[" loowul - | 3 [ = | = | [foes [ke | [Cin w | VIF input capacitance [2{~ oweu| - | 3 [= [= | [os | oF | SIFI_input resistance [2| "| - Joweu] 3 | - | = | re ee ee oe SIFI_intput capacitance [2] | = Joweu] “3 [ = T= | Pes oF | SIF SECTION al rest Test_conditions ‘Symbol Parameter Ee % Switches should Unit Sppoint | SiF2 usually be set to 1 [ min. | Typ. | Max. Gireuit current (SIF) [if a2[ = | 0 | = | = [swi=3asw2=2 [5.0 [72 | 94 | ma | | Vie | AF output DC voltage |7[TP6] = | 0 | = | - [swi=3 [4i [a7 [537 v | | Voarmax | Maximum AF output |7[TP6| sci7_| 0 | = | = [swi=3 | 530 | 680_|"630_|mVims| | THOar [AF output distortion [7 [TPE] “sc2i_| 0 | = |= [swi=3 [oa | 2] % | Vin Cim)| Input limiting sensitivity [1 [TPS] so1e_ | O | - | - |swi=3 (Note is)[ | 38 [46 | Bu | [AMR [AMR [i |tP6] “scig_ | Oo | = | = [swi=3 ote is)[ 60 | 60 | | 8 | AF S/N [ifree| sco | o [=] = [swi=3 ote 20] 60 | 75 [| 8 | ee ae ELECTRIC 2-197

MITSUBISHI ICs (TV) M51366SP . PLL-SPLIT VIF/SIF ener ati ELECTRICAL CHARACTERISTICS TEST METHOD Note7. AFT maximum voltage “Vi:sx” ~"* Note1. Video S/N “P/N” a.Maximum DC voltage in the above figure is defined a.Input SG6 in VIF IN. as Vick. b. The noise appearing at pin @ is determined by measur- Note8. AFT minimum voltage “Vis.” ing the r.m.s. voltage at TP10 through low pass filter a.Minimum DC voltage in the above figure is defined (-3dB at 5MHz). as Viel. Vodet 1 (Ves) x 0.7 Note9. Capture range (U) “CL-U-1,” “CL-U-2” ©.PIN = 20 log {Se ee a.Input SG11 in VIF IN and increase the frequency till where Vodet 1 denotes video detection output 1. VCO lock is released. Note2. Video frequency characteristics “Bw” b.Decrease the frequency of SG11 and the frequency a.Set SG3 as follows: at which VCO locks again is defined as fv (MHz). fh = 45.75MHz Vi = 90dBhy) c.Capture range (U) is defined as fv - 45.75 (MHz). mixed signal “ mm a fo = 45.75MHz Vi = 70dBy } Note10. Capture range (L) “CL-L-1,” “CL-L-2’ a. Input SG11 in VIF IN and decrease the frequency until b.Measure element of 1MHz at TP9 at this time and VCO lock is released. it is defined as Vi. b.Increase the frequency of SG11 and the frequency at c. Decrease the frequency until element (fi-f2) becomes which VCO locks again is defined as f. (MHz). 3dB smaller than Vi and then, read the frequency. c.Capture range (L) is defined as 45.75 - fi (MHz). d.Bw = 45.75 - f2 (MHz) Note11. Capture range (T) “CT-T” Note3. Input sensitivity “Vin (min)” a."CL-T" is defined as "CL-U-1" + "CL-L-1" (MHZ). a.Input SG4 in VIF IN. Note12.Lock detector threshold voltage “VzoTH” b. Decrease the SG4 level and the evel at which detector a.Set the voltage at V20 to 3V and observe TP8. output at pin @ reaches 3dB smaller than Vodet 1 b.Increase the voltage at Vzo and the point at which TP8 is defined as input sensitivity. voltage changes drastically is defined as V2ors (threshold Note4. Maximum allowable input “Vin max)” ™. a.Set SG5 to 90dBy and input it in VIF IN. b.Detector output at pin @ at this time is defined as 1P8 V2. VOLTAGE c.Increase the SG5 and the voltage at which detector output reaches 3dB smaller than V2 is defined as V2oL, maximum allowable input. _ Note5. AGC control range “GR” >t a.AGC control range is defined as follows. vera GR = Maximum allowable input - Input sensitivity Note6. AFT detector sensitivity “” Note13. Minimum voltage at pin @ “Vz0.” a.Input SG10 in VIF IN. a.Minimum voltage in Note12 is defined as Vz. b.Measure difference of frequency between 3.0V and —-Note14.EQ frequency characteristics “FC1", “FC2", 6.0V of DC voltage at TPS and it is defined as Af. “FC3” c.AFT detector sensitivity u is defined as follows: a.input SG12, SG13 or SG14 in VIF IN. p= 3000MY avyidtey b.Measure the level of element (fi-fa) at TP9 and it is ‘Af (kHz) defined as Vea w (d3p) c.Measure the level of element (fi-f2) at TP2 and it is vie af defined as Veo our (d8p). ev d.EQ frequency characteristics is defined as follows: FC1~3 = Vea out - Veo in (dB) Note15.Intermodulation “IM” ev a.Input SG15 in VIF IN. b. Observe TP9 with oscilloscope, and adjust the voltage vreu of Ve so that the minimum level of detector output 4s eee ¥ (MHz) waveform will come to 2V. eee Paes 2 - 198 ELECTRIC

MITSUBISHI ICs (TV) . PLL-SPLIT VIF/SIF ee c. Observe TP9 with spectrum analyzer, and the ratio of || Note20.AF S/N “S/N” ~*~ the 920kHz level to the 3.58MHz level is defined as a.Input $G20 in SIF2 IN. intermodulation. b.Measure the output voltage at TP6 and it is defined as Vn c.AF S/N is defined as follows: Vo ai: max (mVrms) Ww Www [Vv SIN = 20 tog (may f 8) 2 * Amplitude level of all AM modulated waves is the peak level of modulated waves. Note16.DG, DP “DG, DP” * The following is used for the mixer: a. Modulated waves of SG16 is generated by 87.5% video modulation of the 10-step waves as shown in the figure 1 below. bos b.Measure DG and DP at TP9 with vectorscope. ; | 2 25 10% j 25 oo 100% © With Veo coil, IF AGC OV and non-input condition, adjust free run frequency to 45.75MHz. SUB-CARRIER 3.58MHz 40% . Note17. Black spot inverter threshold level and clamp level “Ve TH, Ve ci” a.Input SG1 in VIF IN. b. By varying Ve, output the waveform as shown in the figure below to TP2 and measure each DC voltage Vecl----~- TEST POINT Note18.Input limiting sensitivity “Vin qm” a.Set SG18 to 80dBy and input it in SIF2 IN: b. Decrease the output level of SG18 until detector output at TP6 becomes 3dB smaller than Vo ar Max. The level of SG18 at this time is defined as input limiting sensitivity. Note19.AMR “AMR” a.input SG19 in SIF2 IN. b.Measure the output voltage at TP6 and it is defined as Vam. ¢.AMR is defined as follows: _ Vo ar max (mVrms) AMR = 20 log { Vas (mVrms) } (dB) ae ELECTRIC 2 - 199

MITSUBISHI ICs (TV) - PLL-SPLIT VIF/SIF INPUT SIGNAL ~ Input Signal (with 50Q Termination) &7.5% Video naditation for45, T5MHz Vi=90dBu 77. TEXAM ( mnatiee fetbute ) fo = 45.75MHz Vi = 90dB u fi = 45,75MHz Vi=90dBu fa= 40 OMiz Vi Todd y } 04 sional fo= 45.75MHz Vi=Vaviable fm = 20kHz 77.78% AM fo = 45.75MHz_ Vi = Vaviable_fm = 20kHz 16% AM fo = 45.75MHz Vi = 80dB un fo = 45.75MHz Vi = 110dB u | S68_[ fo= 41.25MHz Vi=100dBu | SG9_| fo = 41.25MHz Vi = 80dB u fo = 45.75MHz + 5MHz_Vi=90d8 w fo=45. 75MHz + 5MHz Vi=90dB yu fe=20kHz 77. TXAM fi = 45,75MHz Vi = 9008 w : fi = 45,75MHz Vi=90dBu ] fe= 4275MHz Vi = 60a » } Ted sional fi = 45,75MHz Vi=90dBu J fe= 41-25MHz Vi~ 60dB u_} Tixed sional fi = 45,75MHz Vi = 90dB yp $G15 | f2= 42.17MHz Vi = 80dB u frrinee signal fg = 41.25MHz Vi = 80dB u 5616 | = 45.75MHz Standard 10-step wave modulation m = 87.5% Video modulation Syne chip level 90dBu| fo = 4.5MHz +25kHZ dev Vi=Vaviable fm=400Hz fo = 4.5MHz Vi= 100dB » 30%AM fm = 400Hz fo = 45MHz Vi = 100dB EN ae 2 - 200 ELECTRIC

MITSUBISHI ICs (TV) ° PLL-SPLIT VIF/SIF _. TEST CIRCUIT 1 Veo 1P9 : > 9 ke 560 TP1O y ? 1 S6 —..3" $5-2 TPS 9, DISCRIMINATOR: la 9.015 4 CDAMC20 124 910 047 ug im Vee 08 1P8 ‘ny ‘Tool w, + Sa T > ° + Pa 390 rs 77 a Tm 220) oTPS 7 v20 0. 001 wT 300k me L] Lela Ls] [6] al I bo Ty] babs] [4 P = TP1o—{68 Vec “Choma 6/8 910 0.01 un es if x ane ols Bau [gz] | | 2 (008) fret goeut 2a] i ae se 50 50 TP4 stke VU ]re2 vito: Bigg 59 Oss SIFOIN 3150 ory | H L 001 e+ hae aay 68u2 TE AT on ar B68 u | 4 30" 30 o Vee © o2 2 w® Units Resistance : Capacitance : F TEST CIRCUIT 2 Veo = 8V 0 0.01 u 0.01 h 0.01 t its Poors ol (25) Fa] fer) (a) (esl fee) fel foal fn] foo) fra fel PF DAA woe el te ey eos 0.01 w Vio oat Gor oot uw 10k + Hi ot “ aa * i flo Units Resistance : Q Capacitance : F MITSUBISHI ees 2-201

MITSUBISHI ICs (TV) M51366SP - PLL-SPLIT VIF/SIF . TYPICAL CHARACTERISTICS ‘THERMAL DERATING (MAXIIMUM RATING) sot ttl ACNE et NEE ETN Bere RE ia TES -20 0 25 50 75 100 125 . AMBIENT TEMPERATURE Ta (°C) APPLICATION EXAMPLE vec 9$Vo vy Ww geo ; —) ri H Be ant Pm elm | i 1h sabe ty i oh eh eh a eed [ee g a vu Slee = > ees ee Joe ete! bat ore Tt i OAS Lol Ly [2] ie aacane ey rh] | A j ial Vcc Ef ed SIF voc rh Tuner a Jaleest 2 - 202 ELECTRIC

MITSUBISHI ICs (TV) M51366SP PLL-SPLIT VIF/SIF . _ DESCRIPTION OF PIN g oe é 8 2 2 33 ° él] F x z pe ep 8 —_ = zs = me ; g FO . 3 p eo, d x © “ 23@ 2 TS 3 = 4 a awh WA pvt % © ®@ | fe 4 = s 58 i s ee ~" wy mean aon D | Be) SS

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MITSUBISHI ICs (TV) M51366SP PLL-SPLIT VIF/SIF PRECAUTIONS FOR APPLICATION ~"* Note: © Amplitude level of all AM modulated waves shall be the peak level of modulated waves. @ The following is used for the mixer: @ With Vco coil, IF AGC OV and non-input condition, adjust free run frequency to 45.75MHz. . MITSUBISHI 2 - 204 ees