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NTE7062 Integrated Circuit CRT Display Synchronization Deflection Circuit
Description: The NTE7062 is a sync deflection circuit in a 20-Lead DIP type package. When used in combination with the NTE1773 or the NTE1797 (for vertical output use) this device forms a sync-deflection circuit that meets every requirement for CRT display use. So far, ICs for color TV use have been applied to the sync-deflection circuit for CRT display use and general purpose ICs such as one-shot multivibrators, inverters, and a lot of transistors have been used to form the peripherals such as sync input interface, horizontal phase shifter. The NTE7062 contains these peripherals on chip and adopts a stable circuit for horizontal oscillation from 15kHz to 100kHz aiming at improving the characteristics required for CRT display use. Features: D The Vertical Pull-In Range is Approximately 20Hz at Vertical Sync 50Hz/60Hz. D The Horizontal Oscillation Frequency can be Adjusted Stably from 15kHz to 100kHz. D The Horizontal Display can be Shifted Right/Left. D The Horizontal/Vertical Sync Input can be Used Intact Regardless of the Difference in Pulse Polarity and Pulse Width. D The AFC Feedback Sawtooth Wave can be Obtained by Simply Applying a Flyback Pulse to the IC as a Trigger Pulse. D Any Duty of the Horizontal Pulse can be Set. D Good Vertical Linearity because DC Bias at Vertical Output Stage is Subjected to Sampling Control Within Retrace Time. On-Chip Functions: Horizontal Block D AFC D Horizontal OSC D X-Ray Protector D Horizontal Phase Shifter D AFC Sawtooth Wave Generator D Horizontal Pulse Duty Setting
Vertical Block D Vertical OSC D Vertical Sawtooth Wave Generator D Sampling Type DC Voltage Control
Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Maximum Supply Voltage, V10, V20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14V Allowable Power Dissipation (TA +65C), Pdmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 780mW Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +85C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +125C
Operating Conditions: (TA = +25C unless otherwise specified) Recommended Supply Voltage, V10, V20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V Operating Voltage Range, V10, V20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 to 13.5V Electrical Characteristics: (TA = +25C, VCC10, 20 = 12V unless otherwise specified)
Parameter VCC10 Current Dissipation VCC20 Current Dissipation Vertical Frequency Pull-In Range Vertical Free-Running Frequency Increased/Reduced Voltage Characteristic of Vertical Frequncy Midpoint Control Threshold Level Vertical OSC Start Voltage Temperature Characteristic of Vertical Frequency Vertical Driver Amplification Factor Horizontal AFC DC Loop Gain Horizontal Free-Running Frequency Horizontal OSC Start Voltage Increased/Reduced Voltage Characteristic of Horizontal Frequency Temperature Characteristic of Horizontal Frequency Horizontal Output Drive Current Comparison Wave Generation Input Operating Voltage Pin13 Voltage at Holddown Operation Start Mode I13 V4 V13 GV IAFC fH fHst fHV V10 = 12V 1V, 15.734kHz at 12V fH center 15.734kHz Fvst TA = -10 to +60C Symbol I10 I20 VPIN fV fVV VCC10 VCC20 Vertical Sync 60Hz fv center 55Hz V20 = 12V 1V, 55Hz at 12V Test Conditions Min 12 5 19 50 -0.5 3.8 - -0.028 12 1.0 -750 - -50 Typ - - - - - - - - - - - - - Max 30 12 23 60 0.5 4.4 4.0 0.028 18 1.9 750 4.0 +50 Unit mA mA Hz Hz Hz V V Hz/C dB mA Hz V Hz
TA = -10 to +60C
-2.9 6 0.6 0.5
- - - -
+2.9 12 0.9 0.8
Hz/C mA V V
Pin Connection Diagram Horizontal Trigger Input Phase Adjust T.C. Sync Pulse Width T.C. FBP Trigger Input Sawtooth Wave Generating Capacitor Comparision Voltage Generating Capacitor AFC Output Horizontal OSC T.C. Discharge Resistor Horizontal VCC 1 2 3 4 5 6 7 8 9 10 20 Vertical VCC 19 Vertical Trigger Input 18 Vertical OSC T.C. 17 Midpoint Voltage Control Point 16 Vertical Sawtooth Wave Generator 15 Vertical Drive Output 14 GND 13 X-Ray Protect Input 12 Horizontal Drive Output 11 Horizontal Drive Pulse Width Setting
20 1
11 .280 (7.12) Max 10
.995 (25.3) Max
.300 (7.62)
.280 (7.12)
.100 (2.54)
.125 (3.17) Min
.385 (9.8)

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