NTE7058 PDF даташит
Спецификация NTE7058 изготовлена «NTE Electronics» и имеет функцию, называемую «Integrated Circuit Single Chip TV NTSC System». |
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Детали детали
Номер произв | NTE7058 |
Описание | Integrated Circuit Single Chip TV NTSC System |
Производители | NTE Electronics |
логотип |
4 Pages
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NTE7058
Integrated Circuit
Single Chip TV NTSC System
Description:
The NTE7058 combines all the functions required for an NTSC color TV system in a 64–Lead DIP
type plastic package. This device is designed to offer a wide capability of applications from fundamen-
tal CTV to high–end MPX CTV with a quasi–parallel SIF system, requiring minimal external parts and
adjustments. A quasi–parallel SIF system assures buzz–free sound reproduction.
Features:
PIF Section
D 3–Stage Variable Gain PIF Amplifier
D High–Speed Peak AGC with Dual Time Constants
D Single–End AFT Output with Defeat Function
D Delayed RF AGC Output (Reverse AGC)
D Sync Positive–Detected Video Output Polarity
D Internal Black/White Noise Inverter
Quasi–Parallel Intercarrier Detector
D 3–Stage Variable Gain Intercarrier IF Amplifier
D Independent Peak AGC
D Intercarrier Detector with 90° Carrier Shift
SIF Section
D 3–Stage Limiter Amplifier
D Differential Peak Detector
D Separated Detector Output and Electronic Attenuator Input for Multiplex TV Sound Reception
D Excellent Electronic Attenuator
D Preamplifier with NF Terminal
Video Section
D 2nd Order Picture Sharpness (DC Control)
D Contrast Control with Unicolor Function
D Brightness Control with Pedestal Clamping Circuit (Adjustable DC Restoration Ratio)
D Internal Vertical Blanking
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Features (Cont’d):
Chroma Section
D ACC Circuit
D Color Control Circuit
D Unicolor Control Circuit
D Adjustment–Free APC Circuit
D Tint Control Circuit with Sync Pulse Output
D Color Differential Outputs
Deflection Section
D Excellent Sync Separator
D Adjustment–Free Countdown System
D Stable Vertical Synchronization
D Sawtooth–Type AFC
D Horizontal Predriver
D X–Ray Protector
D Vertical Drive Amplifier
Absolute Maximum Ratings: (TA = +25°C)
Power Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V
Input Signal Voltage, ein . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5VP–P
RF AGC Voltage, VRF AGC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Horizontal Section Supply Voltage, VCCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2660mW
Derate Above TA = +25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21.2mW/°C
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +65°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C
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Block Diagram
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
H
Out
H Vcc
32f H
VCO
H. AFC
Sync Sep
V. Out
Sharpness
Det
GND
Video Det
AFT
Q–SIF
GND
SIF SIF Lim
Vcc
H C/D
V C/D
V Integ
Contrast
Q–SIF
Det
X–Ray
Protector
f SC VCO
APC
Det
Killer Det
Chroma Amp 1
Chroma Amp 2
ACC Det
Active
Filter
RF AGC
IF AGC
Q–IF
Amp
90
SIF Det
Tint
Demo
Y Out
DC Clamp
V/C/D
Vcc
PIF
Vcc
IF Amp
PIF
GND
Q–IF
Amp
Audio
Out
Att
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
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