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NTE7123

Integrated Circuit Sync Deflection Circuit for Color TV

NTE Electronics 

Electrical Characteristics: (TA = +25°C, VCC13 = 12V, ICC16 = 13mA unless otherwise specified)

Parameter

Test Conditions

Min Typ Max Unit

VCC13 Current Dissipation

VCC16 Supply Voltage

Vertical Frequency Pull−In Range

ICC13

14.7

− 22.2 mA

11.8

− 13.2 V

19.0

− 23.0 Hz

Vertical Free−Running Frequency

Supply Voltage Dependance

of Vertical Frequency

fv center 55Hz

V13 = 12±1V, 55Hz at 12V

50

−

60 Hz

−0.5

−

0.5 Hz

Temperature Characteristics

of Vertical Frequency

TA = −10° to 60°C

−0.028 − 0.028 Hz/°C

Vertical Driver Amplification Factor

12

−

17 dB

Horizontal Free−Running Frequency fH center 15.73kHz

Reduced Voltage Characteristic

of Horizontal Frequency

VZ − VZ x 90%

−750 − 750 Hz

−50

−

50 Hz

Temperature Characteristic

of Horizontal Frequency

TA = −10° to +60°C

(IC Alone)

−3.4

−

3.4 Hz/°C

Horizontal Output Pulse Width

Horizontal Output Drive Current

fH = 15.73kHz

21.5

− 26.5 μs

6.6

− 10.0 mA

Pin Connection Diagram

AFC Comparison

Sawtooth Wave Input

1

AFC Output 2

Time Constant Circuit 3

Horizontal Output 4

Holddown Input 5

GND 6

Vertical Drive Output 7

Vertical Drive

Sawtooth Wave Input

8

16 VCC 16 (Horizontal)

15

Composite Blanking

Pulse Output

14 Video Signal Input

(Positive)

13 VCC 13 (Vertical)

12

Horizontal, Vertical

Sync Sep Output

11 Vertical Trigger Output

10 Time Constant Circuit

9

Vertical Output

Middle Point Voltage

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