HITACHI/ (LINEAR DEVICES) HA11431 2bE D MM 44Sbe0e 0010925 & Color TV Luminance-Chroma System Functions Secondary differential sharpness control on DC Contrast control Pedestal clamp Brightness control Blanking Chroma amp (peak detection auto color control (ACC)) Color sync (auto phase control ( APC)) Color demodulation (color difference output) Features Current amplifying secondary differential video tone control Controlled preshoot and overshoot provide clear contour lines DC control Internal blanking circuit Complete luminance-chroma system Low external parts count Variable resistor adjustable VCO (voltage controlled oscillator) output frequency Capable of low voltage operation (Vcc = 9 V) Demedulation on color difference Can be used with VCR system Video amp high frequency response (fc = 6.5 MHz typ) . T-77-07-049 HAII43t HAI431NP (DP-30S) Ordering Information Type No. Package HA11431 600 mil 28 pin plastic DIP (DP-28) HA11431NP 400 mil 30 pin plastic shrink DIP (DP-30S) @ HITACHI Hitachi America, Ltd. Hitachi Plaza 2000 Siorra Point Pkwy. Brisbane, CA 94005-1819 (415) 589-8300 31HITACHI/ (LINEAR DEVICES) @bE D Mm 4496202 0010524 5 mm HA11431 _ T- 77-07-09 Block Diagram and Typical Application APC" Filter Blanking Pulse Bright Contral Control Contrast Control Coatral Tune 16h oot 220 aH Video Tune lD4Np-p Video Input 180 Notes: HA11431 pin numbers are enclosed in circles. The nimbers in parentheses are HA11431NT pin numbers. 32 @ HITACHI Hitachi America, Ltd. Hitachi Plaza e 2000 Sierra Point Pkwy. * Brisbane, CA 94005-1819 (415) 589-8300HITACHI/ (LINEAR DEVICES) ebE D MM 4456202 0010927 T a ~HA11431 T= 77-07-09 war er ee eee a5v a 0uVp- w a aver fetpe? : Bags ne ee bk SY wee dan _ APL 106% 3.06 0% 2.85 Bpin toot 1 Post [4] Point Point (E} Pers (0) | On this poist, 19pta Video Input OWVp-pX 12=4Vp-p ~ {Conteaat max} Note) 1. Ceanection with PIF IC @ln cose that the IC is ecanected with HAIICIO, see the example circuit on the previoun page. Sharpress Conteal Chsracteciatics lo cave that this IC is connected with the other IC's, the following cireuit ix recommended. Ampliture is shown in the above figuce (B} <Between B-Wi034Vp-p typl Figure 1 Video Input Signal Output Waveform Electrical Characteristics item Symbol Min Typ Max Unit Notes BPA Chroma Max Es max 0.54 0.67 0.85 Vp.) Burst/chroma =1 Output Voltage ACC Range Ea 0.38 0.55 0.74 Vp.) -20d8 input Killer Sensitivity Ex _ 44 dB Conversion Gain Gay 45 62 Matrlx Ratio (1) Ep-y/Ep-y 1.05 1.20 1.35 <(R-Y) (B-Y) = 105 typ, adjustable externally Matrix Ratio (2) Eg-y/En.y 0.30 0.40 0.50 DC Output Voltage Eopc 6.4 70 #76 VO DC Output Voltage Difference Eopoc -0.3 0 403 #V Video Amp Voltage Max Gain Gy 10.5 12 13.5 Video Amp Frequency Response f, ~~ 6.5 MHz DC Reproduce 5 % Blanked Output Voltage 11 _ Vv @ HITACHI Hitachi America, Ltd. Hitachi Plaza 2000 Sierra Point Pkwy. * Brisbane, CA 94005-1819 (415) 589-8300 33HITACHI/ (LINEAR DEVICES) @bE D Mm 4456202 0010528 1 Ta77-D7- HA1i431 70-07-47 Typical Performance Curves Maa Gain (dd Gam (4B Tre Contrast Fregatney f (MH? i Figure 2 Tone Control Characteristics Figure 3. Contrast Amp/Video Amp Frequency Characteristics Sharpeners eras. Typ. Outpur Output Input X:Susdiv :05V/diw at Figure 4 Sharpness Control Characteristics (1) Figure 5 Sharpness Control Characteristics Q) @ HITACHI 34 Hitachi America, Lid. Hitachi Plaza 2000 Sierra Point Pkwy. Brisbane, CA 94005-1819 (415) 589-8300HITACHI/ (LINEAR DEVICES) ebE D MM 445b202 00109e9 3 mm ~ HA11431 Min. Output Input Video Output (Vpp) T= 77 OF - OF Voo=12 tnpat O.SVp-p Contrast Cantrot Voltage (VF Figure 6 Sharpness Control Characteristics (3) Figure 7 Contrast Control Characteristics Video Ousput Clamp Level (2 Berght Control Vottage (Vi B.P.A Output (Vp-p) Vee Chrome qfitd> @BPA Input Cheoma Input (48) Burst=iCOmVp-p Chrome Bogst Figure 8 Brightness Control Characteristics @ HITACHI Figure 9 AGC Characteristics Hitachi America, Ltd. Hitachi Plaza 2000 Sierra Point Pkwy. Brisbane, CA 94005-1819 (415) 589-8300 35HITACHT/ (LINEAR DEVICES) 2@bE D MM 4496202 0010930 T HA11431 T= 77-07-09 B.P.A Qutput (Vp-p) Cater Control Voltage (V} Figure 10 Color Control Characteristics Figure 11 VCO Pull-In Characteristics @ HITACHI 36 Hitachi America, Ltd. Hitachi Plaza 2000 Sierra Point Pkwy. Brisbane, CA 94005-1819 (415) 589-8300HITACHI/ (LINEAR DEVICES) e@bE D MM 4496202 0010931 1 HA11431 TE7T-O07-0F @ (degree) Q ( Standard} mM -2 I > B.P.A Output (Vp-p) Chiema (1) - NS PL] d>0 Bet | Ni - Bucst=1@0p-p -~ 1 Test Circul F ~= est Circuit be Tint Center Weg + 6 Contrast Contec) Voltage (V) Figure 12 Tint Control Characteristics Figure 13 BPA Output Dependence on Contrast Voltage @ HITACHI Hitachi America, Ltd. Hitachi Plaza 2000 Sierra Point Pkwy. Brisbane, CA 94005-1819 (415) 589-8300 37