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| NTE1808 Integrated Circuit Playback Video Processor for VCR Description: The NTE1808 is a integrated circuit in a 28-Lead DIP type package designed for VCR playback video signal processin circuits. Features: D Built-In Line Noise Canceler D Built-In Picture Control Circuit D Supply Voltage: VCC = 5V Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V Power Dissipation (TA = +70C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200mW Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +150C Electrical Characteristics: (VCC = 5V, TA = +25C unless otherwise specified) Parameter Circuit Current DOC Amplifier Gain DOC Sensitivity ON DOC Sensitivity OFF (Hysteresis) Sub FM Demodulation Det. Sensitivity Sub FM Demodulation Det. Limitation Main FM Demodulation Det. Sensitivity Main FM Demodulation Det. Limitation Difference Det. Amp. Gain A Difference Det. Amp. Gain B Symbol I23 G25 S28 DS28 S15 Lf15 S16 Lf16 G11-1 G11-2 Pin24 Input (50mVP-P) Pin17 3.5V F11 is multiplied by Gain (0dB = 250mV) Pin24 Input (100mVP-P), Pin17 3.5V Pin21 Input (150mVP-P), Pin17 3.5V F11 is multiplied by Gain (0dB = 250mV) Pin21 Input (100mVP-P), Pin17 3.5V Pin14 Input (100mVP-P, 1MHz) Pin13 Input (100mVP-P, 1MHz) Pin24 Input (60mVP-P, 4MHz) Pin26 Input (4MHz), 0dB = 350mVP-P Test Conditions Min 17 13 -15 -5 2.5 7 2.5 7 13.5 12 Typ - - - - - - - - - - Max 30 16 -11.5 -0.5 - - - - 16.5 15 Unit mA dB dB dB dB MHz dB MHz dB dB Note 1. Operating Supply Voltage Range: VCC(opr) = 4.5V to 5.5V Electrical Characteristics (Cont'd): (VCC = 5V, TA = +25C unless otherwise specified) Parameter Differential + Mix Amp Gain Mix Amp. Ratio Line Noise Canceler Switch Changeover Level Difference Line Noise Canceler Switch Crosstalk Line Noise Canceler Limiter Gain Line Noise Canceler Cerrlative Det. Sensitivity ON Line Noise Canceler Cerrlative Det. Sensitivity OFF (Hysteresis) Picture Gain Control Picture Control Frequency Characteristics A Picture Control Frequency Characteristics B Symbol G4-1 G4-2 Du4 CT4 G7 S6 DS6 G1 f1-1 f1-2 Pin12 Input (500mVP-P, 1MHz) Pin27 Control Pulse 500mVP-P, 1MHz Pin4 Output Ratio of Pin10 & Pin12 Pin9 Input (40mVP-P, 1MHz) Pin9 Input (4MHz), 0dB = 60mVP-P Pin9 Input (4MHz), 0dB = 60mVP-P Pin3 Input (250mVP-P, 1MHz), Output Ratio of Pin2 0V and 2.5V Pin3 Input (250mVP-P, 1MHz) Pin3 Input (250mVP-P, 1MHz), Output Ratio of Pin2 5V and 2.5V Test Conditions Min 7 -5.5 -5 - 15.5 1.5 -4 -1.5 - 5 Typ - - - - - - - - - - Max 10 -2.5 5 -40 19.0 4.5 -0.1 0.5 -3 - Unit dB dB mV dB dB dB dB dB dB dB Note 1. Operating Supply Voltage Range: VCC(opr) = 4.5V to 5.5V Note 2. Pin8 shall be always used in connection with Pin23 Note 3. Power supply to be supplied to the variable resistor added to Pin2 and Pin17 shall be used the same as that supplied to this integrated circuit. Note 4. Since deterioration or destroy of characteristics due to flow of overcurrent caused by reverse current, careful should be taken to handling. Pin Connection Diagram Video Output Picture Control De-Emphasis Peaking Extension Relative Detecting Pulse Output Line N.C. LIM Output VCC (Record) Line N.C. LIM Input Diff Signal Input Diff Signal Output Limited Signal Input Video Input Video (1H DL) Input 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 DOC Pulse Output Envelope DET RF Input RF Output 1H Delay RF Input VCC Double LIM H.P.F. Input Double LIM H.P.F. Input GND LIM LIM DEM Gain Control DEM Output DEM (1H DL) Output 28 15 1 14 1.120 (28.4) .338 (8.6) .200 (5.08) .070 (1.78) .130 (3.3) .400 (10.16) |
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