NTE7054 Integrated Circuit Single Chip TV Processor

Transcription

1 NTE7054 Integrated Circuit Single Chip TV Processor Features: VIF PLL Type Video Detector for the High Picture & Sound Quality High Gain VIF Amp (Pre Amp Unnecessary) High Speed AGC Built In APC Time Constant Switch SIF Audio IN/OUT at Same Time Video/Audio Simultaneous Muting, or Audio Only Muting Possible Audio/Video Switch INT/EXT AV Switch Delay Line Video EXT, Audio EXT SW Condition OFF IN D OFF EXT C ON EXT B ON IN A OSD RGB 3 Input RGB Linear Amp ( 6dB Input: 2V to 5V) Fast Blanking (With B In) Chroma Built In ACC Filter, Killer Filter Built In Carrier Filter Video Black Expression DC Restoration Compensation Built In Delay Line Wide Band Width (9MHz): Delay Line Short A Quadratic Differentiation Circuit allowing Soft Video Tone Operation also Incorporated S Input for VCR DC Restoration Variable (By External Circuit) Deflection Horizontal and Vertical Sync are not Adjustable Dual AFC System with Excellent Horizontal Noise Characteristics V Sync Sensitivity Externally Adjustable Vertical Size is Constant with No Signal (60Hz Constant Frequency) High Stability for Copy Guard Tape (Macrovision) High Stability for Skew of VCR

2 Electrical Characteristics: (T A = +25C, V CC = V 14 = V 11 = 9V, I CC = I 30 = 13mA unless VIF (f P = 45.7MHz) Video Detector DC Output Voltage 1 V 44 Quiescent V AFT Output Voltage V 47 Quiescent V Maximum RF AGC Control Voltage V 49H CW = 35dBµ, RF AGC VR = min V Minimum RF AGC Control Voltage V 49L CW = 35dBµ, RF AGC VR = max V VIF Input Sensitivity V i VIF Input Level at which Video Output is 0.8V P P (40% MOD) VIF AGC Control Range GR Maximum Input (V O = 0.8V P P ) Input Sensitivity VIF Maximum Permissible Input V i VIF Input Level at which Video Output is +1dB dbµ db dbµ Video Detector Output V O44 V i = 80dBµ, AM = 78% MOD V P P Differential Gain DG V i = 80dBµ, 87.5% Video MOD % Differential Phase DP V i = 80dBµ, 87.5% Video MOD deg Video Signal to Noise Ratio S/N V i = 80dBµ (AM 78% MOD)/CW db Sync Tip Level V 44 TIP CW = 80dBµ V Video Frequency Characteristic fc Frequency at which Video Output MHz is Down 3dB VIF Intermodulation I 920 V3.58MHz/V920kHz, V i = 80dBµ db Maximum AFT Control Voltage V 47H CW = 80dBµ, Frequency Change V Minimum AFT Control Voltage V 47L CW = 80dBµ, Frequency Change V AFT Detector Sensitivity Sf CW = 80dBµ, Frequency Change mv/khz AFT Switch Operation Start Voltage V AFT SW Test with Sweep Signal V Black Noise Threshold Level V BTH Test with Sweep Signal V White Noise Threshold Level V WTH Test with Sweep Signal V APC Pull In Range (U) 1 f PU MHz APC Pull In Range (L) 1 f PL MHz APC Pull In Range (U) 2 f PU MHz APC Pull In Range (L) 2 f PL MHz VCO Maximum Variable Range f U MHz f L MHz VCO Control Sensitivity khz/mv SIF, AF (f S = 45.7MHz) SIF Input Limiting Sensitivity V i (lim) SIF Input Level at which Detection Output is Down 3dB dbµ FM Detector Output Voltage V DO V i = 100dBµ, f = ±25kHz mv rms FM Detector Output Distortion THD V i = 100dBµ, f = ±25kHz % AM Rejection AMR V i = 100dBµ (FM: f = ±25kHz)/(AM: 30%) db AF Amp Voltage Gain G AV V i = 100mV rms, f = 400Hz db

3 Electrical Characteristics (Cont d): (T A = +25C, V CC = V 14 = V 11 = 9V, I CC = I 30 = 13mA unless SIF, AF (Cont d) (f S = 45.7MHz) AF Maximum Output Voltage V O6 max Output Level at which AF Amp Output Vrms Distortion is 10% AF Electronic Attenuator Range ATT V i = 200mV rms, f = 400Hz db Audio/Video Switch Video Detector DC Output Voltage 2 V 38 Quiescent 3.3 V Internal Video Input Voltage V 42 Quiescent 4.8 V External Video Input Voltage V 40 Quiescent 4.8 V External Audio Input Voltage V 3 Quiescent 5.6 V Video Soft Video Tone Variable Range Soft f = 2MHz, 100mV P P, Video Tone VR: 4V 0V Sharp Video Tone Video Voltage Gain Sharp f = 2MHz, 100mV P P, Video Tone VR: 4V 9V Video Voltage Gain G V f = 100kHz, 100mV P P, Contrast VR: 9V, Video Tone VR: 4V Contrast Control Ceneter C CEN f = 100kHz, 100mV P P, Contrast VR: 9V Contrast Control Variable Range C V f = 100kHz, 100mV P P, Contrast VR: 3V 9V db db db V P P db Brightness Control BR H Brightness VR: 2.0V 5.8 V BR CEN Brightness VR: 4.5V V BR L Brightness VR: 7.0V 1.2 V Frequency Response fv 1 Contrast VR: 9V, at Delay Line Short, 7 9 MHz fv 2 Video Tone VR: 4V, 3dB Down 3 5 MHz On Screen Display Blanking Pulse Threshold Level V Y Output DC Voltage B In: 2V V RGB Input Threshold Level V RGB Output DC Voltage Input: 3V 5.5 V Chroma Input: 4V 6.0 V Input: 5V 6.5 V Color Control Minimum E C min Color VR: 0V, Contrast VR: 9V 30 mv P P Color Control Center W C cen Color VR: 4.5V, Contrast VR: 6V V P P Color Contrast Variable Range C C Color VR: B Y = 2.5V P P, Contrast VR: 3V 9V db Demodulator Output DC Voltage V C Y Burst Signal Only, Color VR: 0V V Demodulator Output Offset Voltage V C Y Burst Signal Only, Color VR: 0V mv Residual Carrier E car 0.3 V P P

4 Electrical Characteristics (Cont d): (T A = +25C, V CC = V 14 = V 11 = 9V, I CC = I 30 = 13mA unless Chroma (Cont d) APC Pull In Range f AFC ±500 Hz ACC Amplitude Characteristics ACC M1N +6dB db ACC M2N 20dB 7 +2 db ACC Phase Characteristics ACC M1N +6dB deg ACC M2N 20dB 7 +7 deg Tint Control Center T CEN Tint VR: 4.5V, Color VR: 4.5V, Contrast VR: 6V Tint Variable Range T Tint VR: 0V 4.5V 9V, Color VR: 4.5V, Contrast VR: 6V deg ±40 deg Demodulator Output Ratio R/B N G/B N Demodulator Phase Angle RB N deg GB N deg Maximum Demodulator Output E C max N Color VR: 9V, Contrast VR: 9V V P P Deflection Sync Separator Input DC Level V S (DC) V Vertical Maximum Running Period T V max H Vertical Minimum Running Period T V min H Vertical Blanking Pulse Voltage V H VBL V Vertical Output Pulse Width P W VOUT 8.5 H Vertical Output Pulse Voltage V OUT H 6.0 V V OUT M 4.6 V V OUT L 0.3 V Vertical External Trigger Load Resistor R TR kω Vertical Automatic Syncronizer Stop V SAS V Voltage Vertical Operation Start Voltage S VV 4 V Horizontal Free Running Frequency Deviation f H Deviation from kHz Hz Horizontal Sync Pull In Range f H Pull Deviation from kHz ±400 Hz Horizontal Operation Start Voltage S HV V AFC H FBP Peak Voltage FBP H V VCR SW Input Voltage VCR V

5 Pin Connection Diagram De Emphasis 1 52 APC Filter IF AGC Filter VCO Coil External Audio Input 3 50 VCO Coil Discriminator/Mute 4 49 AGC Output Audio NFB 5 48 SIF Input Audio Output 6 47 AFT Output GND (VIF SIF) 7 46 AFT Coil VIF Input 8 45 AFT Coil VIF INput 9 44 Video Output 1 IF AGC Filter 2/RF AGC VR AV Switch V CC (VIF SIF) Internal Video Input APC Filter Tint VR/Service Sw X tal External Video Input V CC (Jungle Video Chroma) Contrast VR R Input Video Output 2 G Input GND (Jungle Video Chroma) B Input/ Blanking Input Chroma Input/Color VR R Y Output Black Filter G Y Output Video Input B Y Output Videotone Input Y Output Clamp Filter FBP Input/BGP Output Brightness VR Horiz Driver Output Horizontal V CC Hold Down Input Sync Input CE Filter Vertical Output AFC Filter Horiz Coincidence Filter (46.05) Max.512 (13.0).217 (5.5) Max.070 (1.77) (44.5).118 (3.0) Min.600 (15.24)