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Datasheet File OCR Text: |
NTE1779 Integrated Circuit TV VIF Amp, Phase Lock Loop (PLL) Description: The NTE1779 is an integrated circuit in a 22-Lead DIP type package designed for color TV video IF signal processing circuits. Features: D High Density One-Chip Integration of Video IF Amplifier, PLL Detector, Video Pre-Amplifier, AGC and AFC Circuits D PLL True Synchronous Detector Incorporates VCO D Wide Pull-In Range by Time-Constant Auto-Changer of PLL Loop-Filter D Selective Transformerless AFC Circuit Absolute Maximum Ratings: Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V Circuit Voltage V1-8,16/V9-8,16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V V2-8,16/V9-8,16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V V3-8,16/V9-8,16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V V11-8,16/V9-8,16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V V19-8,16/V9-8,16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V Circuit Voltage I10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -10/0.5mA I12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -10/1mA I17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -2/5mA Power Dissipation (TA = +70C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1100mW Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +150C Electrical Characteristics: (VCC = 12V, TA = +25C unless otherwise specified) Parameter IF Amplifier Detector Video Detector Output Input Sensitivity Maximum Allowable Input Differential Gain Differential Phase Output Voltage (SIF) VO S(IN) VI9max) DG DP VO f = 58.75MHz, Vi = 80dB, m = 87.5% f = 58.75MHz, Vi = 80dB, m = 110% f = 58.75MHz, Vi = 80dB, m = 87.5% f = 58.75MHz, Vi = 80dB, m = 110% P/S = 20dB f = 58.75MHz, Vi = 80dB, m = 87.5% f = 58.75MHz, Vi = 80dB, m = 110% VO = -3dB 1.8 2.1 51 101 - - - - 98 2.05 2.6 55 104 2 5 2 5 101 2.3 3.1 60 - 6 13 5 12 104 VP-P VP-P dB dB % % deg deg dB Symbol Test Conditions Min Typ Max Unit Electrical Characteristics (Cont'd): (VCC = 12V, TA = +25C unless otherwise specified) Parameter AGC Circuit RF AGC Voltage Gain AFC Circuit Phase Detector Sensitivity AFC Center Voltage VCO Circuit Maximum Variable Range Control Sensitivity APC Circuit APC Pull-In Range Serial Characteristics Circuit Current I9 I15 Pin Connection Diagram IF AGC Filter 1 RF AGC Delay Adjust 2 RF AGC Output 3 Input Bias 4 IF Input 5 IF Input Input Bias GND VCC Video Output Video Input 22 Symbol GV Test Conditions f = 10kHz, Vi = 10mV RL = 30/39k Min 33 28 5.3 0.85 - 2.9 Typ 37 35 6.6 1.1 3.3 Max 41 45 7.3 - 3.7 Unit dB mV/kHz V MHz MHz mV/kHz MHz MHz mA mA V19 fv fAPC RL = 30k/39k V18 = 2V V18 = 3V -1.6 -1.3 APC Filter SW is set to OFF +0.8 +1.0 +1.5 -2.5 -2.0 -1.7 45 7 54 9 68 12 22 21 20 19 18 17 16 15 14 13 12 12 Lock Detect Filter AFC Coil AFC Coil AFC Output APC Filter APC Filter Switch GND (VCO) VCO Coil VCO Coil VCO Coil Detector Output 6 7 8 9 10 11 .338 (8.6) 1 11 1.050 (26.67) .185 (4.7) .100 (2.54) 1.000 (25.4) .129 (3.3) |
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