NTE1888 Integrated Circuit Horizontal and Vertical Deflection Monitor Features: Direct Line Darlington Drive Direct Frame Yoke Drive ( 1A) Composite Video Signal Input Capability Frame Output Protection Against Short Circuits PLL Description: The NTE1888 is both a horizontal and a vertical deflection circuit in one 16Lead DIP package. Absolute Maximum Ratings: Supply Voltage V 1 . 30V CC Flyback Generator Supply Voltage V . 35V 2 Frame Power Supply Voltage V . 60V 7 Frame Output Current, I 8 NonRepetitive 1.5A Continuous 1.0A Line Output Voltage (External), V 60V 14 Line Output Peak Current, I 0.8A P14 Line Output Continuous Current, I 0.4A C14 Storage Temperature Range, T 40 to +150C stg Maximum Operating Junction Temperature, T +150C j Maximum Thermal Resistance, JunctiontoCase, R 15C/W thJC Typical Thermal Resistance, JunctiontoAmbient, R thJA 2 (soldered on a 35 m thick 45cm PC board copper area) 45C/W Maximum Recommended Junction Temperature, T +120 . C J Electrical Characteristics: (T = +25C unless otherwise specified) A Parameter Symbol Test Conditions Min Typ Max Unit Supply Current I 1 Pin16 10 20 mA CC Supply Voltage V 1 I 1 = 15mA 9.0 9.8 10.5 V CC CC Voltage Variation V 1 I 1 = 10mA20mA 280 50 +280 mV CC CC Starting Threshold for LPS 5 V Line Output PulsesElectrical Characteristics (Contd): (T = +25C unless otherwise specified) A Parameter Symbol Test Conditions Min Typ Max Unit Reference Voltage V I = 1 A 1.4 1.75 2.0 V Pin15 15 15 Minimum Width of Frame Pulse MWF 50 s (when synchronized with TTL signal) Low Threshold Voltage LT 2.8 3.2 3.6 V Pin9 9 High Threshold Voltage HT 6.4 6.6 7.8 V 9 Bias Current BI 100 nA 9 Discharge Impedance DR 1.0 1.4 1.8 k 9 FLP1 R = 34.9k to V 1, 62 64 66 s Free Running Line Period cc C = 2.2nF to GND FLP2 R = 13.7k , C = 2.2nF 27 s Oscilator Threshold for Line Output OT 4.6 V 9 Pulse Triggering Horizontal Frequency Drift DF 2 Hz/C w /Temperature Saturation Voltage LV I = 200mA 1.1 1.6 V Pin14 14 14 Output Pulse Width OPW Line Period = 64 s 20 22 24 s Bias Voltage V Pin11 1.8 2.4 3.2 V 11 Input Impedance Z 4.5 5.8 8.0 k 11 Output Current During Synchro I 250 450 800 A Pin10 10 Pulse Current Ratio RI Positive/Negative 0.95 1.0 1.05 10 Leakage Current LI 2 +2 A 10 Control Range Voltage CV 2.6 7.1 V 10 Low Threshold Voltage LT 1.6 2.0 2.3 V Pin1 1 High Threshold Voltage HT 2.6 3.1 3.6 V 1 Bias Current BI 30 nA 1 Discharge Impedance DR 300 470 700 W 1 Free Running Frame Period FFP1 Pin1 R = 845k to V 1, 20.5 23.0 25.0 ms cc C = 180nF to GND Minimum Frame Period MFP I = 100 A, 12.8 ms 15 R = 845k to V 1, cc C = 180nF to GND Free Running Frame Period FFP2 R = 408k , C = 220nF 14.3 ms Frame Period Ratio FPR Note 1 1.7 1.8 1.9 Frame Sawtooth Gain FG Between Pin1 and 0.4 NonInverting input of the Frame Amplifier 3 Vertical Frequency Drift DF Pin1 4.1 Hz/C w /Temperature w Operating Voltage V Pin7 /Flyback Generator 10 58 V 7 Note 1. Frame Period Ratio = FFP MFP