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KA2161 pal/ntsc 1 chip for c/tv pal/ntsc 1 chip ic for color television the KA2161 combines an if system and a video/ chroma/deflection on a monolithic integrated circuit to provide a pal/ntsc color te- levision. this device is suitable to a muiti-ctv svstem on a 54 sdip and includes vi f/sif, videc/ chroma/deflection processor. function if block vif amp. video detector 1st, 2nd if agc filter noise canceller aft rfagc sif limiter amp. attenuator fm detector af amp video contrast control brightness control pedestal clamp circuit sharpness control using internal d.l osd(r,g,b) interface osd brightness control chroma acc amplifier demodulator color control tint control for ntsc system apc circuit vco ( fsc) killer detector matrix circuit pal/ntsc system sw feature lower operation voltage: v cc =9v available multi system (pal/ntsc/secam) with secam decoder minimum number of external parts required small package type: 54 sdlp suitable osd interface available 50/60 hz auto switch built in delay line for video sharpness device package operating temperature KA2161 54-sdip-600 -20 c ~+70 c deflection sync. seperator afc filter 32th vco horizontal driver x-ray protecter 50/60 hz auto detector vertical driver osd osd(r,g,b) interface circuit osd brightness control 54-sdip-600 ordering information
KA2161 pal/ntsc 1 chip for c/tv block diagram sharpness control 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 osd bright sound out rf agc delay rf agc out att.control sif in aft out aft tank vif tank vif tank vif/sif vcc vif out killer filter delayed siganl in color control contrast control d.l drive v/c/d gnd sync.sep.in chroma in brightness contol tint control video in v out v sep. filter osd b in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 att input sound n.f input de-emphasis sif det.in sif limiter out agc filter1 agc filter2 vif/sif gnd vif input vif input apc filter fsc vxo v/c/d vcc fsc vxo clamp filter r-y out b-y out g-y out y out x-ray protect in fbp in h out afc filter 32th vco h vcc osd r in osd g in osd brt att limiter fm det agc det. if amp nf + - rf agc aft 90 b/w nc vcxo apc det demo matrix tint killer inv color det d.l amp acc amp d.l line bright acc det contrast lpf sharpness h.v sep lpf blk afc det. x-ray 32th vco h.dri osd i/f v.dri
KA2161 pal/ntsc 1 chip for c/tv pin configuration pin no. description pin no description 1 att. input 28 osd b input 2 sound nf input 29 v. sync sep. filter 3 de-emphasis 30 vertical output 4 sif det. input 31 video input 5 sif limter out 32 tint control 6 agc filter 1 33 sharpness control 7 agc filter 2 34 brightness control 8 vif/sif ground 35 chroma input 9 vif input 36 sync. sep. input 10 vif input 37 v/c/d ground 11 apc filter 38 delay line drive 12 fsc vcxo 39 contrast control 13 v/c/d vcc 40 color control 14 fsc vcxo 41 delayed signal input 15 clamp filter 42 kller det. filter 16 r-y output 43 vif output 17 b-y output 44 vif/sif vcc 18 g-y output 45 vif tank coil 19 -y output 46 vif tank coil 20 x-ray protector 47 aft tank coil 21 fbp in 48 aft tank coil 22 horizontal output 49 sif input 23 afc filter 50 att.control 24 32f h vco 51 rf agc output 25 horizontal vcc 52 rf agc delay 26 osd r input 53 sound output 27 osd g input 54 osd bright control
KA2161 pal/ntsc 1 chip for c/tv absolute maximum ratings (t a =25 c) electrical characteristics (t a =25 c, v cc =9v) dc characteristics characteristic symbol value unit supply voltage v cc max 12 v supply current i cc max 175 ma power dissipation p d max 2.1 w operating temperature t opr -20~+70 c storage temperature t stg -55~+150 c characteristic symbol test conditions min typ max unit max. total current i cc max - 175 - ma total current i cc - 135 - ma att. input voltage v1 3.3 3.8 4.5 v sound n.f input voltage v2 3.3 3.9 4.5 v fm det. output voltage v3 3.3 3.8 4.5 v sif tank input voltage v4 2.7 3.2 3.7 v sif limiter output voltage v5 3.3 3.8 4.3 v if agc filter voltage (1) v6 7.8 8.5 - v vif input voltage v9 3.6 4.1 4.6 v vif input voltage v10 3.6 4.1 4.6 v vif output voltage v43 4.0 4.5 5.0 v vif tank input voltage v45 6.1 6.6 7.1 v vif tank input voltage v46 6.1 6.6 7.1 v aft tank input voltage v47 2.5 3.0 3.5 v sif input voltage v49 2.5 3.0 3.5 v sound output voltage v53 3.8 4.3 4.8 v
KA2161 pal/ntsc 1 chip for c/tv if section (vif, sif) characteristic symbol test conditions min typ max unit min. rf agc voltage v51h - - 1.0 v max. rf agc voltage v51l 8.0 - - v vif input sensitivity v is - 40 45 dbu vif max input v im 110 110 - dbu agc range gr 60 71 - db video output amplitude v o 1.7 2.0 2.3 vp-p sync. tip level v sync 2.2 2.4 2.7 v carrier leakage cl 40 58 - db black noise clamp level v b ci 3.2 3.6 4.0 v black noise threshold level v bti 1.5 1.8 2.1 v white noise clamp level v wci 5.1 5.4 5.7 v white noise threshold level v wti 3.6 3.9 4.2 v max. aft voltage v48h 8.0 8.7 - v min. aft voltage v48l - 0.5 1.0 v aft det. sensitivity s aft 15 23 30 khz/v fm det. output level v o3 150 230 350 mvms sound distortion thd - - 1.0 % am rejection amr 30 53 - db sif limiting voltage v ilim - 34 45 dbu max. attenuation g att 65 80 - db af amp gain g af 17 20 23 db y input impedance y inp 11 15 20 kohm y input dynamic range y d 2.0 3.0 - vp-p max. video output level y max 6.3 6.8 7.3 v min. video output level y min - 0.3 0.7 v video output drive current y sink 1.3 2.0 3.0 ma video ac gain g y 9 12 15 db brightness control g brt 2.0 3.0 4.0 times dc restoration t dc 95 99 - % clamp terminal voltage v clamp 2.8 3.3 3.8 v contrast control voltage v cont 1.0 1.25 1.5 v contrast gain range g cont 12 18 24 db v- blk pulse output level v vblk 8.5 - - v h- blk pulse output level v hblk 8.5 - - v v- blk pulse width (50hz) v pvblk 19 21 23 h v- blk pulse width (60hz) v nvblk 14 16 18 h
KA2161 pal/ntsc 1 chip for c/tv osd section characteristic symbol test conditions min typ max unit osd input on current (r) i on r 0.2 0.3 0.4 ma osd input on current (b) i on b 0.2 0.3 0.4 ma osd input on current (g) i on g 0.2 0.3 0.4 ma osd input off current (r) i off r 0.15 0.22 0.3 ma osd input off current (b) i off b 0.15 0.22 0.3 ma osd input off current (g) i off g 0.15 0.22 0.3 ma osd output high level v h 6.4 6.7 6.9 v osd output low level v l 4.4 4.7 5.0 v output rise time t r - 15 100 nsec rise propagation delay t fpro - 40 100 nsec output fall time t f - 15 100 nsec fall propagation delay t fpro - 40 100 nsec osd ? y s/w time t oy - 10 100 nsec y ? osd s/w time t yo - 10 100 nsec osd ? y s/w delay time t doy - 10 100 nsec y ? osd s/w delay time t dyo - 10 100 nsec osd ? y s/w time t oy - 10 100 nsec osd brightness sensitivly g bs 0.5 1 1.5 times
KA2161 pal/ntsc 1 chip for c/tv chroma section characteristic symbol test conditions min typ max unit acc characteristic (1) a1 0.5 0.85 - vp-p acc characteristic (2) a2 0.9 1.0 1.2 ratio uni-color control voltage v uni 0.8 1.2 1.6 v uni-color control range g uni 20 - - db color control voltage v col 0.8 1.2 1.6 v color control range g col 20 - - db color residual voltage v r - - 3. mvp-p tint control voltage v tint 0.8 1.5 2.5 v tint range 1(3.58mhz) t ntsc 1 35 50 - deg tint range 2(3.58mhz) t ntsc 2 -35 -50 - deg pal/ntsc s/w voltage v p/n 0.4 0.7 1.4 v killer sensitivity (3.58mhz) k sn - 1.0 3.0 mvp-p killer sensitivity (4.43mhz) k sp - 1.0 3.0 mvp-p killer voltage (1) v kil 1 4.5 4.8 5.1 v killer voltage (2) v kil 2 3.8 4.1 4.4 v apc pull in range(3.58mhz) f pn1 300 500 - hz apc pull in range(3.58mhz) f pnh 300 500 - hz apc hold in range(3.58mhz) f hn1 300 500 - hz apc hold in range(3.58mhz) f hnh 300 500 - hz apc pull in range(4.43mhz) f pp1 300 500 - hz apc pull in range(3.58mhz) f pph 300 500 - hz
KA2161 pal/ntsc 1 chip for c/tv chroma section characteristic symbol test conditions min typ max unit apc hold range(4.43mhz) f hph 300 500 - hz apc hold range(4.43mhz) f hpl 300 500 - hz freq. sensitivity(3.58mhz) f senn 0.5 1.0 1.5 khz/v freq. sensitivity(4.43mhz) f senp 0.5 1.0 1.5 khz/v demo. color out r(ntsc) v m 2.9 3.6 4.7 vp-p demo. color out b(ntsc) v bn 3.3 4.0 4.7 vp-p demo. color out g(ntsc) v gn 0.9 1.4 1.9 vp-p demo. color out r(pal) v rp 1.2 1.8 2.4 vp-p demo. color out b(pal) v bp 2.2 2.8 3.4 vp-p demo. color out g(pal) v gp 0.7 1.2 1.7 vp-p demo relative amplitude(nstc) n r/b 0.8 0.9 1.1 ratio demo relative amplitude(nstc) n g/b 0.28 0.34 0.48 ratio demo relative amplitude(pal) p r/b 0.43 0.56 0.69 ratio demo relative amplitude(pal) p g/b 0.27 0.34 0.46 ratio demo relative phase(ntsc) n p r/b 100 110 120 deg demo relative phase(ntsc) n p g/b 225 235 245 deg demo relative phase(pal) p p r/b 78 90 96 deg demo relative phase(pal) p p g/b 226 236 246 deg demo residual carrier r v rcw - - 20 mvp-p demo residual carrier g v g cw - - 20 mvp-p demo residual carrier b v bcw - - 20 mvp-p demo residual harmonic r v rhc - - 100 mvp-p demo residual harmonic g v ghc - - 100 mvp-p demo residual harmonic b v bhc - - 100 mvp-p demo output band width r f r 1.0 1.8 3.0 mhz demo output band width g f g 1.0 1.8 3.0 mhz demo output band width b f b 1.0 1.8 3.0 mhz demo output difference v col1 -0.3 0 0.3 v demo output difference v col2 -0.3 0 0.3 v demo output difference v col3 -0.3 0 0.3 v d.l amp characteristic v dl 0.7 1.3 2.1 vp-p sweeper amplitude sv1 4.5 5.0 5.5 v sweeper amplitude sv2 3.5 4.0 4.5 v sweeper amplitude sv3 0.8 1.0 1.4 v sweeper period s t 1 60 110 140 msec sweeper period s t 2 50 100 120 msec sweeper period s t 3 5 10 15 msec
KA2161 pal/ntsc 1 chip for c/tv deflection section characteristic symbol test conditions min typ max unit sync. sep. sensitivity current i in 10 20 30 m a h afc phase det. current i d 200 300 400 m a 32f h vco starting voltage v fh 2.0 3.0 4.0 v h out osc. starting voltage v h 4.0 4.4 5.0 v h free running frequency f h 15.4 15.6 15.7 khz h pull in range f hpull +/-500 - - hz h hold range f hhold +/-500 - - hz h pulse duty t h 41 43 45 % x-ray protector voltage v20 1.1 1.3 1.5 v x-ray protector hold voltage v h 20 - - 1.2 v h output voltage (h) v hh 4.7 5.0 5.3 v h output voltage (l) v hl - 0 0.1 v v output duty t v 9 10 11 % v output voltage (h) v vh 4.7 5.0 5.3 v v output voltage (l) v vl - 0 0.1 v v pull in range(50hz) f vpp 1 52 60 - hz f vpp 2 - 44 49 hz v pull in range(60hz) f vpn 1 62 67 - hz f vpn 2 - 53 58 hz v free running freq(50hz) f vp 1 40 44 48 hz v free running freq. (60hz) f vn 49 53 58 hz 50/60hz s/w voltage (50) v sp 5.0 6.0 6.5 v 50/60hz s/w voltage (60) v sn 2.5 3.0 3.5 v 50/60hz s/w voltage (50) v ip 4.5 5.0 5.5 v 50/60hz s/w voltage (60) v in 0.5 1.0 1.5 v h osc. control sensitivity s h 2.0 4.0 6.0 hz/ mv phase det. stop period(50) t pp 1 t pp 2 290 3 309 5 - - hz hz phase det. stop period(60) t pn 1 t pn 2 240 3 259 5 - - hz hz service s/w vert. voltage afc voltage drift v sv v d - - - - 0.5 +/-0.6 vp-p v osc. supply voltage drift v osc - - 3 % 32 f h voltage v24 4.0 5.0 +/6.0 v afc filter current i afc 30 7. 140 m a afc filter voltage v23 6.5 7.3 8.0 v sync. sep. in voltage v36 2.2 2.7 3.2 v
KA2161 pal/ntsc 1 chip for c/tv pin description pin no. function description equivalent circuit 1 att. in. detected audio signals provided to att. amp 2 sound n.f in ac and dc feedback audio signals from power amp are supplied to a.f amp 3 sound de-emphasis the external capacitor eliminates high frequency components in f.m det. 4 sif det.in connected sif tank coil. the sif limitting signal is supplied from sif limiter (pin 5). 1 from att. 2 3 fm det. 4
KA2161 pal/ntsc 1 chip for c/tv pin description pin no. function description equivalent circuit 5 sif limiter out the limiting sif signal is taken from limiter amp. 6 7 agc filter 1 agc filter 2 connected external resistors, capacitors. dual time constant improve high speed agc time speed in tv. 8 vif/sif gnd vif/sif ground 9 10 if in if input terminals provide if output signals to if amp stage in differential amp. 5 limiter amp 5 10 6 7
KA2161 pal/ntsc 1 chip for c/tv pin description pin no. function description equivalent circuit 11 apc. filter the apc filter terminal is connected external r,c the apc functions filtering ac signals and provide error voltage to fsc vco block. 12 14 fsc vco fsc vco the fsc vco is connected x- tal. 13 v/c/d gnd video/ chroma/deflection ground 15 clamp filter the clamp filter terminal is connected capacitor. using clamp circuit, pedestal level of video signal is clamped. 11 14 12 15
KA2161 pal/ntsc 1 chip for c/tv pin description pin no. function description equivalent circuit 16 17 18 r-y out b-y out g-y out color output terminals for color differential signal. 19 -y out terminal for -y signal. 20 x-ray protect in terminal for x-ray protect turns on 1.4v detected over voltage in crt, x-ray protect stops oscillating the hori. out 21 fbp in terminal for fbp input fbp signals are supplied from fbt. in order to synchronize hori. scanning, the afc compares hori. sync with fbp signals. demodulator 19 21 20
KA2161 pal/ntsc 1 chip for c/tv pin description pin no. function description equivalent circuit 22 hori. out terminal for hori. output 23 afc filter the afc filter terminal is connected external r,c for low pass filter. afc voltage provides error voltage to 32 fh vco block. 24 32fh vco this terminal is connected the 503 khz resonator. 25 hori. vcc hori. supply voltage is 9v. 26 27 28 osd r in osd g in osd b in terminal for osd input osd input signals are supp- lied from micro- controller,etc. it is suitable to interfacing osd. 22 23 to vco 24 to demodulator
KA2161 pal/ntsc 1 chip for c/tv pin description pin no. function description equivalent circuit 29 vert. separate filter terminal for vert. separate filter is connected with external capacitor. 30 vert. out vert. output pulses provide vert. amp block for driving d.y coil. 31 video in terminal for video signal input 32 sharpness control using the external variable resistor, sharpness of video signals are changed for emphasis high freq. of video signals. 29 30 32 31
KA2161 pal/ntsc 1 chip for c/tv pin description pin no. function description equivalent circuit 33 tint control & pal/ntsc sw using the external variable resistor, tint of color are changed in ntsc system only 34 brightness control terminal for brightness cont- rol. 35 chroma in chroma signals are supplied from composite video signals using b.p.f 36 sync.separate in sync. signals are taken from composite video signals using l.p.f. 37 v/c/c gnd video/ chroma/deflection ground 33 34 36 35
KA2161 pal/ntsc 1 chip for c/tv pin description pin no. function description equivalent circuit 38 delay line drive out terminal for output of d.l amp for 1 h delaye line. 39 contrast control using the external variable resistor, contrast control is changed for controlled video/ color output level. 40 color control using the external variable resistor, color is changed for controlled color output level. 41 delayed signal input & 50/60 hz forced s/w through the 1 h delay line chroma signals provide to demodulator block. and we can forcely select 50hz: 3.0v 60hz: 6.0v 38 39 40 41
KA2161 pal/ntsc 1 chip for c/tv pin description pin no. function description equivalent circuit 42 killer det. filler terminal for killer detect filler. in case of no color signals or low rf input signals, killer det. operates to kill the color process. 43 vif det. out terminal for output of vif det. 44 vif/sif vcc supply voltage is 9v. 45 46 vif tank coil connected vif tank coil between pin 45 and pin 46. vif detector is quadurature detecting system using tank coil. 47 aft tank coil terminal for aft tank coil if this pin is connected 100 ? to ground, we defeat aft function. 42 43 45 46 47
KA2161 pal/ntsc 1 chip for c/tv pin description pin no. function description equivalent circuit 48 aft out terminal for aft output 49 sif in sif signals provide to this terminal. 50 att. control attenuation of sound output changes the external variable resistor 51 rf agc out rf agc out terminal feeds output voltage to tuner in order to improve agc range this terminal is connected a pull-up resistor to vcc. (open collector) 48 49 50 51
KA2161 pal/ntsc 1 chip for c/tv pin description pin no. function description equivalent circuit 52 rf agc delay control rf agc delay control terminal is connected to external variable resistor. using thr esternal variable resistor, rf agc out delay point is changed for fitting the tuner characteristics. 53 sound out sound out terminal. sound signals are provided to sound power amp. 54 sod brightness control osd brightness control terminal 53 52 54
KA2161 pal/ntsc 1 chip for c/tv application circuit 1 2 3 4 5 6 7 8 11 12 13 14 15 16 17 18 19 20 21 22 23 25 26 27 54 53 52 51 50 49 48 47 46 45 44 43 42 41 39 38 37 36 34 33 32 31 30 29 28 att in sound in sound out de-emp. rf agc delay osd bright sif det. in rf agc out limiter out att. agc 1 sif in agc 2 aft out if gnd aft tank vif in vif tank vif in vif tank apc filter if vcc fsc vco vif out v/c/d vcc killer fsc vco d.l in clamp color r-y b-y g-y v/c/d gnd contrast d.l out -y sync.in x-ray in chroma in fbp in bright h-out afc filter sharpness tint 32fh vco video in h vcc v out v sepa osd r osd b osd g aft out sound out 103 68k ? vcc(9v) 103 103 103 22 + 2.2 f + 10 f 103 103 10k 8.2 h 103 6.2k 473 103 1h d.l 560 103 1k d.l 5.1k 10k 103 1k 1.6k 13 h 2k 35 68p 15 h 101 0.47 h (n.p) 103 10k 1k 103 103 10k + 0.47 f to vert. amp + 0.47 f csg500f40 103 + 2.2 f + 10k ? 430 ? 10 f 103 390 ? 10k ? 10k ? 510k ? 104 320 ? 100 ? + 2.7k 33pf 33pf x-tal 103 2.2 f 3k + 333 1.5k 103 2.7k if input 103 + 47 f 220 683 10k 103 + 2.2 f + 4.7 f 152 7pf hori. vcc(9v) saw 40 9 10 24 1 2 3 4 5 6 7 8 11 12 13 14 15 16 17 18 19 20 21 22 23 25 26 27 54 53 52 51 50 49 48 47 46 45 44 43 42 41 39 38 37 36 34 33 32 31 30 29 28 att in sound in sound out de-emp. rf agc delay osd bright sif det. in rf agc out limiter out att. agc 1 sif in agc 2 aft out if gnd aft tank vif in vif tank vif in vif tank apc filter if vcc fsc vco vif out v/c/d vcc killer fsc vco d.l in clamp color r-y b-y g-y contrast -y chroma in fbp in bright h-out afc filter sharpness tint 32fh vco video in h vcc v out v sepa osd r osd b osd g 10k ? 10k ? 10k ? 5.1k ? 91k ? 10k ? 10k ? + 1k ? + 10k ? 10k ? 10k ? 6.2k ? 1h d.l 560 ? 150 ? 103 1k ? d.l 5.1k ? 10k ? 1k ? 1.6k ? 13 h 2k ? 35 1.6k ? 10k ? 1k ? 10k ? 10k ? + + 200 ? csg500f40 103 3.3k ? + + 10k ? 10k ? 100 ? 100 ? + 2.7k ? 33pf 33pf x-tal 103 2.2 f 3k ? + 333 1.5k ? 103 2.7k ? if input 1.5k ? 103 + 47 f 220 ? 683 10k ? 103 + 2.2 f + 4.7 f 152 7pf hori. vcc(9v) saw 40 9 10 24

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