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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 OSD D RGB 3 Input D RGB Linear Amplifier (-6dB Input: 2V to 5V) Chroma D On-Chip ACC Filter D On-Chip Killer Filter
Switch Rating 6.9V to 9.0V 4.7V to 6.6V 2.4V to 4.3V 0V to 2.1V
D Fast Blanking (B Input Combined Use)
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 = +25C 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 +60C), PDmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.35W Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -10 to +65C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +150C Recommended Operating Conditions: (TA = +25C unless otherwise specified)
Parameter Supply Voltage Symbol V11 V14 Supply Current Operating Voltage Range I30 V11op V14op Operating Current Range I30op Test Conditions Min - - - 8.0 8.0 10 Typ 9 9 13 - - - Max - - - 9.5 9.5 16 Unit V V mA V V mA
Electrical Characteristics: (TA = +25C, VCC = V11 = V14 = 9V, ICC = I30 = 13mA unless otherwise specified)
Parameter Circuit Voltage and Current Horizontal Supply Voltage Supply Current VIF Quiescent Video Output Voltage Quiescent AFT Output Voltage Maximum RF AGC Voltage Minimum RF AGC Voltage Input Sensitivity AGC Range Maximum Permissible Input Video Output Detection Differential Gain Differential Phase Video S/N Synchronization Signal Tip Level Frequency Characteristics 9200kHz VIF Intermodulation V44 V47 V49H V49L Vi GR Vimax VO44 DG DP S/N Quiescent Quiescent CW = 85dB, RF AGC VR = Min CW = 85dB, RF AGC VR = Max VIF input level for video output at 0.9VP-P (40% MOD) Max input (V0 = 0.8VP-P) - input sensitivity VIF input level for video output at +1dB Vi = 80dB, AM = 78% MOD Vi = 80dB, AM = 87.5%, video MOD Vi = 80dB, AM = 87.5%, video MOD Vi = 80dB, 20 log 1.46 (VP-P) noise (Vrms) 4.3 3.1 7.6 0 33 54 97 1.7 - - 47 2.1 6 35 4.7 4.7 8.0 0.01 39 62 104 2.0 3.0 1.0 54 2.4 9 42 5.1 6.1 8.3 0.3 45 70 111 2.3 10 10 61 2.7 12 49 V V V V dB dB dB VP-P % DEG dB V MHz dB V30 I11 + 14 VCC = 9V, ICC = 13mA VCC = 9V, ICC = 13mA, IF AGC 4V 7.3 102 7.8 120 8.3 138 V mA Symbol Test Conditions Min Typ Max Unit
V44 TIP CW = 80dB fC I920 Frequency at video output of -3dB V3.58MHz/V920kHz, Vi = 80dB
Electrical Characteristics (Cont'd): (TA = +25C, VCC = V11 = V14 = 9V, ICC = I30 = 13mA unless otherwise specified)
Parameter VIF (Cont'd) Maximum AFT Output Voltage Minimum AFT Output Voltage AFT Detection Sensibility AFT Switch Operation Start Voltage Black Noise Threshold Level APC Pull-In Range (U)2 APC Pull-In Range (L)2 VCO Maximum Variable Range V47H V47L Sf VAFTSW VBTH fPU-2 fPL-2 fU fL VCO Control Sensitivity Audio-Visual Switches Video Output DC Voltage Internal Video Input Voltage External Video Input Voltage External Audio Input Voltage SIF AF SIF Limiting Voltage FM Detection Output Voltage FM Detection Output Distortion Ratio AM Rejection AF Amplifier Voltage Gain AF Maximum Output Voltage AF Electronic Attenuator Range Video Black Enhancement Threshold Maximum Black Enhancement Gain Soft Video Tone Variable Range Sharp Video Tone Variable Range Video Voltage Gain Audio-Visual Switch 9V Video Voltage Gain Audio-Visual Switch 0V BSTH BSmax Soft Sharp APL variable APL variable f = 2MHz, 100mVP-P, video tone VR: 4V 0V f = 2MHz, 100mVP-P, video tone VR: 4V 9V, contrast VR: 6V f = 100MHz, 100mVP-P contrast VR: 9V, video, tone VR: 4V f = 100MHz, 100mVP-P, contrast VR: 0V, video tone VR: 4V 40 -35 -6 7 50 -27 -4 10 60 -20 -2 13 IRE IRE dB dB Vilim VO1 THD AMR GAF SIF output level for detection output at -3dB Vi = 100dB, f = 25kHz Vi = 100dB, f = 25kHz Vi = 80dB, FM: f = 25kHz AM: 30% 33 440 0 40 18 2.0 70 40 550 0.4 60 20 2.8 80 47 670 1.0 80 22 3.6 100 dB mVrms % dB dB Vrms dB V38 V42 V40 V3 Quiescent Quiescent Quiescent Quiescent 3.0 4.4 4.4 5.2 3.4 4.8 4.8 5.6 3.8 5.2 5.2 6.0 V V V V CW = 80dB, frequency change CW = 80dB, frequency change CW = 80dB, frequency change Measuring with sweep signal Measuring with sweep signal CW = 80dB, fP = 53MHz to 64MHz CW = 80dB, fP = 53MHz to 64MHz Quiescent Quiescent Quiescent 8.3 0.1 45 0.5 1.1 0.8 - 0.9 -4 1.5 8.7 0.3 70 1.0 1.4 1.7 -2 1.7 -2 3.0 9.0 0.8 100 1.5 1.7 4.0 -1 4.0 -1 5.5 V V mV/kHz V V MHz MHz MHz MHz kHz/mV Symbol Test Conditions Min Typ Max Unit
Vi = 100mVrms, f = 400Hz
Vo6 max Output level for AF amplifier output distortion at 10% ATT Vi = 200mVrms, f = 400Hz
GV9V GV0V
15 15
18 18
21 21
dB dB
Electrical Characteristics (Cont'd): (TA = +25C, VCC = V11 = V14 = 9V, ICC = I30 = 13mA unless otherwise specified)
Parameter Video (Cont'd) Contrast Control Center Contrast Variable Control Range Bright Control CCEN CV B RH B RCEN B RL D.L. Off Frequency Characteristics D.L. On Frequency Characteristics DC Transmission Delay Line Delay Chroma ACC Amplitude Characteristics ACC1 ACC2 ACC Phase Characteristics ACCP1 ACCP2 Killer Operation Point Color Control Color Residual Color Control Center Maximum Demodulator Output Color Contrast Variable Range Tint Color Center Tint Variable Range APC Pull-In Range Demodulator Output Ratio EK EC min EC CEN EC max CC TCEN T fAPC R/B G/B Demodulator Phase Angle RB GB Demodulator Output DC Voltage Demodulator Output DC Offset Voltage Demodulator Output Residual Carrier OSD Blanking Pulse Threshold Level -Y Out DC Voltage (OSD Mode) THBL V-Y C - IN: color bar, B - IN: variable B - IN: 1.5V 0.5 2.5 0.8 2.8 1.1 3.1 V V VC-Y VC-Y E car Burst signal only, color VR: 0V Burst signal only, color VR: 0V Quiescent, killer off, color VR: 0V Monochrome signal, contrast VR: 6V, color VR: B-Y = 1VPO Color VR: 0V, contrast VR: 9V Color VR: 4.5V, contrast VR: 6V Color VR: 9V, contrast VR: 9V Color VR: B-Y = 2.5VP-P, contrast VR: 3V 9V Tint VR: 4.5V, color VR: 4.5V, contrast VR: 6V Tint VR: 0V 4.5V 8V, color VR: 4.5V, contrast VR: 6V +6dB -20dB +6dB -20dB -3 -7 -3 -7 -35 - 1.2 3.2 17.5 0 40 300 0.81 0.24 97 -130 4.7 -200 - 0 0 0 0 -28 - 1.8 4.0 19.5 12 55 500 0.90 0.30 105 -120 5.2 0 - +3 +2 +3 +7 -21 50 2.4 4.8 21.5 24 70 - 0.98 0.38 113 -110 5.7 +200 0.05 DEG DEG V mV VP-P dB dB C C dB mVP-P VP-P VP-P dB C C Hz fV 9V fV 0V RDC TDL f = 100MHz, 100mVP-P, contrast VR: 6V Contrast VR: 3V 9V Bright VR: 2V Bright VR: 4.5V Bright VR: 7.5V Contrast VR: 6V, video tone VR: 4V, 3dB down Contrast VR: 6V, video tone VR: 4V, 3dB down Input: stair step signal, 500mVP-P Input: white 100% 0.40 18 5.5 3.1 - 7 2.5 100 290 0.48 20 6.5 3.6 0.3 8 3.0 103 340 0.57 22 7.5 4.1 1.2 - 4.0 106 390 VP-P dB V V V MHz MHz % ns Symbol Test Conditions Min Typ Max Unit
Electrical Characteristics (Cont'd): (TA = +25C, VCC = V11 = V14 = 9V, ICC = I30 = 13mA unless otherwise specified)
Parameter OSD (Cont'd) RGB - In Threshold Level THR THG THB RGB -Y Out DC Voltage (3V) VR3V 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 Vertical Free-Running Period Maximum Vertical Synchronization Period Minimum Vertical Synchronization Period Vertical Blanking Pulse Width Vertical Blanking Pulse Wave Height Value Vertical Output Pulse Width Vertical Output Voltage V SDC TV free TV max TV min PW VBL PH VBL PW VOUT VOUT H VOUT M VOUT L Vertical External Trigger Load Resistance Vertical Automatic Synchronization Stop Voltage Vertical Output Pulse Start VCC Voltage Horizontal Free-Running Frequency Deviation Horizontal Pull-In Range Horizontal Output Pulse Width Horizontal Output Pulse Phase RTR VSAS SVV fH fH PULL PWH OUT H PF H P CEN H PR Horizontal Output Pulse Start VCC Voltage S HV Deviation from 15.734kHz Deviation from 15.734kHz Input: horizontal synchronization signal only 6.0 6.3 6.6 V H H H H V H V V V k V V Hz Hz s s s s V R, G, B - IN: 5V 6.2 6.5 6.8 V R, G, B - IN: 4V 5.7 6.0 6.3 V R - IN: variable, B - IN: 1.5V G - IN: variable, B - IN: 1.5V B - IN: variable R, G, B - IN: 3V 5.2 5.5 5.8 V 1.9 2.2 2.5 V Symbol Test Conditions Min Typ Max Unit
262.0 262.5 263.0 296.5 297.0 297.5 224.5 225.0 225.5 20.25 20.50 20.75 7.0 8.25 5.7 4.2 - 2.7 - - -90 400 21.8 15 3.4 0 - 7.5 8.50 6.0 4.5 0.1 3.6 1.9 3 +30 500 23.8 17 4.4 3 4.5 - 8.75 6.3 4.8 0.3 - 2.4 4 +150 - 25.8 19 5.4 6 5.3
Electrical Characteristics (Cont'd): (TA = +25C, VCC = V11 = V14 = 9V, ICC = I30 = 13mA unless otherwise specified)
Parameter Deflection (Cont'd) AFC II FBP Peak Voltage Burst Gate Pulse Delay Time Burst Gate Pulse Width VCR SW Input Voltage X-Ray Protector Circuit Operation Input Voltage Horizontal Synchronization Detection Threshold Level Horizontal Output Current F BPH Td BGP PW BGP VCR VHD H coin HOUT ICC = 13mA Pin Connection Diagram 4.1 0.2 2.7 - 0.64 4.2 3.8 4.6 0.6 3.7 1.3 0.74 4.5 4.7 5.1 1.2 4.7 2.0 0.84 4.8 5.5 V s s V V V mA Symbol Test Conditions Min Typ Max Unit
De-Emphasis 1 IF AGC Filter 1 2 3 5 6 8 9 External Audio Input Discriminator/Mute 4 Audio NFB Audio Output VIF Input IF AGC Filter 2
52 APC Filter 51 VCO Coil 50 VCO Coil 49 AGC Output 48 SIF Input 47 AFT Output 46 AFT Coil 45 AFT Coil 44 Video Output 1 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) 36 Chroma Input/Color VR 35 Black Filter Output 34 Video Input/Black Filter Input 33 Videotone Input 32 Clamp Filter 31 Brightness VR 30 Horizontal VCC 29 Sync Input 28 Vertical Output 27 Horiz Coincidence Filter
GND (VIF SIF) 7
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 R - Y Output 18 G - Y Output 19 B - Y Output 20 -Y Output 21 FBP Input/BGP Output 22 Horiz Driver Output 23 Hold Down Input 24 CE Filter 25 AFC Filter 26
52
27
1 1.813 (46.05) Max
26 .512 (13.0) .217 (5.5) Max
.070 (1.77) 1.750 (44.5)
.118 (3.0) Min
.600 (15.24)

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