NTE7148 Integrated Circuit Color TV Single–Chip Signal Processor for NTSC Systems (PLL Detection) Description: The NTE7148 is an integrated circuit in a 52–Lead DIP type package designed for use in color TVs based on the NTSC (National Television System Committee) system with an on–chip circuit for all VIF, SIF, video, chroma, and deflection signal processing. Functions and Features: VIF D PLL Detection (High Video and Audio Quality) D High–Gain VIF Amplifier D High Speed AGC D On–Chip APC Time Constant Switch SIF D Simultaneous Sound IN/OUT D Video/Audio Simultaneous Muting, or Audio–Only Muting Possible Audio–Visual Switch D Internal/External Audio–Visual Switch (VCC = 9V) Video External, Audio External Delay Line OFF IN OFF EXT ON EXT ON IN Switch Rating 6.9V to 9.0V 4.7V to 6.6V 2.4V to 4.3V 0V to 2.1V OSD D RGB 3 Input D RGB Linear Amplifier (–6dB Input: 2V to 5V) D Fast Blanking (B Input Combined Use) Chroma D On–Chip ACC Filter D On–Chip Killer Filter D Killer–Circuit Hysteresis Operation D On–Chip Carrier Filter Video D Black Enhancement D Dual Rank On–Chip Differential Circuit Also Available for Soft Also D DC Playback D S Input Supported (VCR Application) D On–Chip Delay Line D Wideband Width (9MHz): Delay Line Short D Variable DC Transmission Volume Available Deflection D Adjustment–Free Horizontal, Vertical Synchronization D Dual AFC System with Excellent Anti–Noise Characteristics D External Adjustmant of Vertical Synchronization Sensitivity D Vertical Size is Constant with No–Signal D Highly Stable Image During Playback of Copy Protected tapes (Macro–Vision Tape etc.) D High Stability Against VCR Skew Distortion Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Maximum Supply Voltage, V11max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11V Maximum Supply Voltage, V14max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11V Maximum Supply Current, I30max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16mA Circuit Current, I44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –6mA Circuit Current, I6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –3mA FBP Input Current (Peak Current), I22max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5mA FBP Input Current (Peak Current), I21max . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA Allowable Power Dissipation (TA ≤ +60°C), PDmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.35W Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –10° to +65°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C Recommended Operating Conditions: (TA = +25°C unless otherwise specified) Parameter Symbol Supply Voltage Supply Current Operating Voltage Range Operating Current Range Test Conditions Min Typ Max Unit V11 – 9 – V V14 – 9 – V I30 – 13 – mA V11op 8.0 – 9.5 V V14op 8.0 – 9.5 V I30op 10 – 16 mA Electrical Characteristics: (TA = +25°C, VCC = V11 = V14 = 9V, ICC = I30 = 13mA unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit VCC = 9V, ICC = 13mA 7.3 7.8 8.3 V VCC = 9V, ICC = 13mA, IF AGC 4V 102 120 138 mA Circuit Voltage and Current Horizontal Supply Voltage Supply Current V30 I11 + 14 VIF Quiescent Video Output Voltage V44 Quiescent 4.3 4.7 5.1 V Quiescent AFT Output Voltage V47 Quiescent 3.1 4.7 6.1 V Maximum RF AGC Voltage V49H CW = 85dBµ, RF AGC VR = Min 7.6 8.0 8.3 V Minimum RF AGC Voltage V49L CW = 85dBµ, RF AGC VR = Max 0 0.01 0.3 V Vi VIF input level for video output at 0.9VP–P (40% MOD) 33 39 45 dBµ Max input (V0 = 0.8VP–P) – input sensitivity 54 62 70 dB Input Sensitivity AGC Range GR Maximum Permissible Input Vimax VIF input level for video output at +1dB 97 104 111 dBµ Video Output Detection VO44 Vi = 80dBµ, AM = 78% MOD 1.7 2.0 2.3 VP–P Differential Gain DG Vi = 80dBµ, AM = 87.5%, video MOD – 3.0 10 % Differential Phase DP Vi = 80dBµ, AM = 87.5%, video MOD – 1.0 10 DEG Video S/N S/N Vi = 80dBµ, 20 log 47 54 61 dB 2.1 2.4 2.7 V Frequency at video output of –3dB 6 9 12 MHz V3.58MHz/V920kHz, Vi = 80dBµ 35 42 49 dB Synchronization Signal Tip Level Frequency Characteristics 9200kHz VIF Intermodulation 1.46 (VP–P) noise (Vrms) V44 TIP CW = 80dBµ fC I920 Electrical Characteristics (Cont’d): (TA = +25°C, VCC = V11 = V14 = 9V, ICC = I30 = 13mA unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit VIF (Cont’d) Maximum AFT Output Voltage V47H CW = 80dBµ, frequency change 8.3 8.7 9.0 V Minimum AFT Output Voltage V47L CW = 80dBµ, frequency change 0.1 0.3 0.8 V Sf CW = 80dBµ, frequency change 45 70 100 mV/kHz AFT Detection Sensibility AFT Switch Operation Start Voltage VAFTSW Measuring with sweep signal 0.5 1.0 1.5 V Black Noise Threshold Level VBTH Measuring with sweep signal 1.1 1.4 1.7 V APC Pull–In Range (U)2 fPU–2 CW = 80dBµ, fP = 53MHz to 64MHz 0.8 1.7 4.0 MHz APC Pull–In Range (L)2 fPL–2 CW = 80dBµ, fP = 53MHz to 64MHz – –2 –1 MHz VCO Maximum Variable Range ∆fU Quiescent 0.9 1.7 4.0 MHz ∆fL Quiescent –4 –2 –1 MHz β Quiescent 1.5 3.0 5.5 kHz/mV Video Output DC Voltage V38 Quiescent 3.0 3.4 3.8 V Internal Video Input Voltage V42 Quiescent 4.4 4.8 5.2 V External Video Input Voltage V40 Quiescent 4.4 4.8 5.2 V External Audio Input Voltage V3 Quiescent 5.2 5.6 6.0 V VCO Control Sensitivity Audio–Visual Switches SIF AF SIF Limiting Voltage Vilim SIF output level for detection output at –3dB 33 40 47 dBµ FM Detection Output Voltage VO1 Vi = 100dBµ, ∆f = ±25kHz 440 550 670 mVrms FM Detection Output Distortion Ratio THD Vi = 100dBµ, ∆f = ±25kHz 0 0.4 1.0 % AM Rejection AMR Vi = 80dBµ, 40 60 80 dB AF Amplifier Voltage Gain GAF Vi = 100mVrms, f = 400Hz 18 20 22 dB Vo6 max Output level for AF amplifier output distortion at 10% 2.0 2.8 3.6 Vrms AF Maximum Output Voltage AF Electronic Attenuator Range FM: ∆f = ±25kHz AM: 30% ATT Vi = 200mVrms, f = 400Hz 70 80 100 dB Black Enhancement Threshold BSTH APL variable 40 50 60 IRE Maximum Black Enhancement Gain BSmax APL variable –35 –27 –20 IRE Soft Video Tone Variable Range ∆Soft f = 2MHz, 100mVP–P, video tone VR: 4V → 0V –6 –4 –2 dB Sharp Video Tone Variable Range ∆Sharp f = 2MHz, 100mVP–P, video tone VR: 4V → 9V, contrast VR: 6V 7 10 13 dB Video Voltage Gain Audio–Visual Switch 9V GV9V f = 100MHz, 100mVP–P contrast VR: 9V, video, tone VR: 4V 15 18 21 dB Video Voltage Gain Audio–Visual Switch 0V GV0V f = 100MHz, 100mVP–P, contrast VR: 0V, video tone VR: 4V 15 18 21 dB Video Electrical Characteristics (Cont’d): (TA = +25°C, VCC = V11 = V14 = 9V, ICC = I30 = 13mA unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Contrast Control Center CCEN f = 100MHz, 100mVP–P, contrast VR: 6V 0.40 0.48 0.57 VP–P Contrast Variable Control Range ∆CV Contrast VR: 3V → 9V 18 20 22 dB Bright Control B RH Bright VR: 2V 5.5 6.5 7.5 V B RCEN Bright VR: 4.5V 3.1 3.6 4.1 V B RL Bright VR: 7.5V – 0.3 1.2 V D.L. Off Frequency Characteristics fV 9V Contrast VR: 6V, video tone VR: 4V, 3dB down 7 8 – MHz D.L. On Frequency Characteristics fV 0V Contrast VR: 6V, video tone VR: 4V, 3dB down 2.5 3.0 4.0 MHz DC Transmission RDC Input: stair step signal, 500mVP–P 100 103 106 % Delay Line Delay TDL Input: white 100% 290 340 390 ns ACC1 +6dB –3 0 +3 dB ACC2 –20dB –7 0 +2 dB ACCP1 +6dB –3 0 +3 °C ACCP2 –20dB –7 0 +7 °C –35 –28 –21 dB – – 50 mVP–P Video (Cont’d) Chroma ACC Amplitude Characteristics ACC Phase Characteristics Killer Operation Point EK Color Control Color Residual EC min Color VR: 0V, contrast VR: 9V Color Control Center EC CEN Color VR: 4.5V, contrast VR: 6V 1.2 1.8 2.4 VP–P Maximum Demodulator Output EC max Color VR: 9V, contrast VR: 9V 3.2 4.0 4.8 VP–P Color Contrast Variable Range ∆CC Color VR: B–Y = 2.5VP–P, contrast VR: 3V → 9V 17.5 19.5 21.5 dB Tint Color Center TCEN Tint VR: 4.5V, color VR: 4.5V, contrast VR: 6V 0 12 24 °C ±40 ±55 ±70 °C ±300 ±500 – Hz 0.81 0.90 0.98 0.24 0.30 0.38 RB 97 105 113 DEG GB –130 –120 –110 DEG Tint Variable Range ∆T APC Pull–In Range ∆fAPC Demodulator Output Ratio R/B G/B Demodulator Phase Angle Tint VR: 0V ← 4.5V → 8V, color VR: 4.5V, contrast VR: 6V Monochrome signal, contrast VR: 6V, color VR: B–Y = 1VPO Demodulator Output DC Voltage VC–Y Burst signal only, color VR: 0V 4.7 5.2 5.7 V Demodulator Output DC Offset Voltage ∆VC–Y Burst signal only, color VR: 0V –200 0 +200 mV Demodulator Output Residual Carrier E car Quiescent, killer off, color VR: 0V – – 0.05 VP–P Blanking Pulse Threshold Level THBL C – IN: color bar, B – IN: variable 0.5 0.8 1.1 V –Y Out DC Voltage (OSD Mode) V–Y B – IN: 1.5V 2.5 2.8 3.1 V OSD Electrical Characteristics (Cont’d): (TA = +25°C, VCC = V11 = V14 = 9V, ICC = I30 = 13mA unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit 1.9 2.2 2.5 V OSD (Cont’d) RGB – In Threshold Level RGB –Y Out DC Voltage (3V) THR R – IN: variable, B – IN: 1.5V THG G – IN: variable, B – IN: 1.5V THB B – IN: variable VR3V R, G, B – IN: 3V 5.2 5.5 5.8 V R, G, B – IN: 4V 5.7 6.0 6.3 V R, G, B – IN: 5V 6.2 6.5 6.8 V 6.0 6.3 6.6 V VG3V VB3V RGB –Y Out DC Voltage (4V) VR4V VG4V VB4V RGB –Y Out DC Voltage (5V) VR5V VG5V VB5V Deflection Sync Separator Input DC Level V SDC Vertical Free–Running Period TV free Maximum Vertical Synchronization Period TV max Minimum Vertical Synchronization Period 262.0 262.5 263.0 H 296.5 297.0 297.5 H TV min 224.5 225.0 225.5 H Vertical Blanking Pulse Width PW VBL 20.25 20.50 20.75 H Vertical Blanking Pulse Wave Height Value PH VBL 7.0 7.5 – V PW VOUT 8.25 8.50 8.75 H VOUT H 5.7 6.0 6.3 V VOUT M 4.2 4.5 4.8 V VOUT L – 0.1 0.3 V Vertical External Trigger Load Resistance RTR 2.7 3.6 – kΩ Vertical Automatic Synchronization Stop Voltage VSAS – 1.9 2.4 V Vertical Output Pulse Start VCC Voltage SVV – 3 4 V Horizontal Free–Running Frequency Deviation ∆fH Deviation from 15.734kHz –90 +30 +150 Hz Horizontal Pull–In Range fH PULL Deviation from 15.734kHz ±400 ±500 – Hz Vertical Output Pulse Width Vertical Output Voltage Input: horizontal synchronization signal only Horizontal Output Pulse Width PWH OUT 21.8 23.8 25.8 µs Horizontal Output Pulse Phase H PF 15 17 19 µs H P CEN 3.4 4.4 5.4 µs H PR 0 3 6 µs S HV – 4.5 5.3 V Horizontal Output Pulse Start VCC Voltage Electrical Characteristics (Cont’d): (TA = +25°C, VCC = V11 = V14 = 9V, ICC = I30 = 13mA unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Deflection (Cont’d) AFC II FBP Peak Voltage F BPH 4.1 4.6 5.1 V Burst Gate Pulse Delay Time Td BGP 0.2 0.6 1.2 µs Burst Gate Pulse Width PW BGP 2.7 3.7 4.7 µs VCR SW Input Voltage VCR – 1.3 2.0 V X–Ray Protector Circuit Operation Input Voltage VHD 0.64 0.74 0.84 V Horizontal Synchronization Detection Threshold Level H coin 4.2 4.5 4.8 V Horizontal Output Current HOUT 3.8 4.7 5.5 mA ICC = 13mA Pin Connection Diagram De–Emphasis 1 52 APC Filter 2 51 VCO Coil 3 50 VCO Coil 49 AGC Output Audio NFB 5 48 SIF Input Audio Output 6 47 AFT Output IF AGC Filter 1 External Audio Input Discriminator/Mute 4 GND (VIF SIF) 7 46 AFT Coil VIF Input 8 45 AFT Coil IF AGC Filter 2 9 44 Video Output 1 RF AGC VR 10 VCC (VIF SIF) 11 APC Filter 12 X’tal 13 VCC (Jungle Video Chroma) 14 R Input 15 G Input 16 B Input/Blanking Input 17 43 AV Switch 42 Internal Video Input 41 Tint VR/Service Sw 40 External Video Input 39 Contrast VR 38 Video Output 2 37 GND (Jungle Video Chroma Jungle) R – Y Output 18 36 Chroma Input/Color VR 35 Black Filter Output G – Y Output 19 34 Video Input/Black Filter Input B – Y Output 20 33 Videotone Input –Y Output 21 32 Clamp Filter FBP Input/BGP Output 22 Horiz Driver Output 23 31 Brightness VR 30 Horizontal VCC Hold Down Input 24 CE Filter 25 29 Sync Input 28 Vertical Output AFC Filter 26 27 Horiz Coincidence Filter 52 27 1 26 1.813 (46.05) Max .512 (13.0) .217 (5.5) Max .070 (1.77) 1.750 (44.5) .118 (3.0) Min .600 (15.24)