NTE7148 Просмотр технического описания (PDF) - NTE Electronics

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NTE7148

Integrated Circuit Color TV Single–Chip Signal Processor for NTSC Systems (PLL Detection)

NTE Electronics 

Electrical Characteristics (Cont’d): (TA = +25°C, VCC = V11 = V14 = 9V, ICC = I30 = 13mA unless

otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Deflection (Cont’d)

AFC II FBP Peak Voltage

Burst Gate Pulse Delay Time

Burst Gate Pulse Width

VCR SW Input Voltage

F BPH

Td BGP

PW BGP

VCR

4.1 4.6 5.1 V

0.2 0.6 1.2 µs

2.7 3.7 4.7 µs

– 1.3 2.0 V

X–Ray Protector Circuit

VHD

Operation Input Voltage

0.64 0.74 0.84 V

Horizontal Synchronization

Detection Threshold Level

H coin

4.2 4.5 4.8 V

Horizontal Output Current

HOUT ICC = 13mA

3.8 4.7 5.5 mA

Pin Connection Diagram

De–Emphasis 1

IF AGC Filter 1 2

External Audio Input 3

Discriminator/Mute 4

Audio NFB 5

Audio Output 6

GND (VIF SIF) 7

VIF Input 8

IF AGC Filter 2 9

RF AGC VR 10

VCC (VIF SIF) 11

APC Filter 12

X’tal 13

VCC (Jungle Video Chroma) 14

R Input 15

G Input 16

B Input/Blanking Input 17

R – Y Output 18

G – Y Output 19

B – Y Output 20

–Y Output 21

FBP Input/BGP Output 22

Horiz Driver Output 23

Hold Down Input 24

CE Filter 25

AFC Filter 26

52 APC Filter

51 VCO Coil

50 VCO Coil

49 AGC Output

48 SIF Input

47 AFT Output

46 AFT Coil

45 AFT Coil

44 Video Output 1

43 AV Switch

42 Internal Video Input

41 Tint VR/Service Sw

40 External Video Input

39 Contrast VR

38 Video Output 2

37 GND (Jungle Video Chroma Jungle)

36 Chroma Input/Color VR

35 Black Filter Output

34 Video Input/Black Filter Input

33 Videotone Input

32 Clamp Filter

31 Brightness VR

30 Horizontal VCC

29 Sync Input

28 Vertical Output

27 Horiz Coincidence Filter

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