TDA8214 데이터 시트보기 (PDF) - STMicroelectronics

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TDA8214

HORIZONTAL AND VERTICAL DEFLECTION CIRCUIT

STMicroelectronics 

TDA8214B

Figure 8 : Video Identification Circuit (Pin 8)

VH

2.75V

13

Line retrace

5.8kΩ

VR

2.5V

12µs

VL

2.25V

V CC1

VCC1

Line

Flyback

Integrated

VH

Flyback

VL

10kΩ

Video

Ident.

Output

1N4148

1kΩ

BC547

8

10µF

Sampling Pulse

VR1

V R1

Line Sync.

Line

Sync.

I8

VR

with video

without video

TYPICAL APPLICATION

Vcc

+24V

Vcc1

4.7Ω

100µF 100nF

27kΩ

220pF

180nF

Video

1.5kΩ 220nF

14

Input

120pF 560kΩ

20

Line

Flyback

15kΩ 22nF

13

68pF

22nF

18

100kΩ

180pF 4.7kΩ

1µF

100nF

470µF

820kΩ

10kΩ

IN4148

BC547

10µF

IN4002

47µF

Video Identification

IN4148

100nF

2

1

8

39

4

2.2Ω

10

TDA 8214B

Frame Yoke

30 mH, 15Ω

Ipp = 840mA

7

220kΩ

220kΩ

270Ω

12

11 5 6 15 16 19 17

100kΩ

680pF

220nF

2.2nF

12nF

22kΩ

22kΩ

Horizontal

Frequency

Vcc1

2.2kΩ

SSC

22kΩ

Vertical

100Ω Amplitude

Vcc1

100Ω

1000µF

1Ω

8/9

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