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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 fundamental 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
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 = +25C) 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 = +25C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21.2mW/C Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +65C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 to +150C
Block Diagram
64
H Out
63
62
61
60
59
58
57
56
55
54
53
52
51
50
Det GND
49
48
47
46
45
44
43
42
AFT
41
40
Q-SIF GND
39
38
37
SIF Vcc
36
35
34
33
H Vcc 32f H VCO
H. AFC
Sync Sep
V. Out
Sharpness
Video Det
SIF Lim
H C/D
V C/D
V Integ
Contrast
Q-SIF Det
X-Ray Protector Q-IF Amp ACC Det Chroma Amp 2 Killer Det Active Filter RF AGC IF AGC 90 SIF Det
f SC VCO
APC Det
Chroma Amp 1
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
Pin Connection Diagram
X-Ray Protect Tint Control Color Control fSC VCO Killer Filter fSC VCO APC Filter Contrast Control R-Y Output G-Y Output B-Y Output GND -Y Output Pedestal Clamp Brightness 9V VCC V/C/D Bypass RF AGC Delay 9V VCC PIF PIF Input PIF Input PIF AGC Time Constant PIF AGC Time Constant GND QIF Input QIF Input QIF AGC Time Constant Preamp Output NFB Volume Control Audio Input FM Detector Tank 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 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 Horizontal Driver Output H VCC 32 fH OSC H AFC Time Constant Flyback Pulse Input Sync Sep Input Sync Sep Time Constant (Filter) Vertical NFB Vertical Size VerticalRamp Vertical Output Video Input Differential Input Picture Sharpness GND Chroma Input ACC Filter Video Output RF AGC Output Video Detector Tank Video Detector Tank AFT Tank/Defeat AFT Output 4.5MHZ Output GND I/C Detector I/C Detector 9V VCC Q-SIF SIF Input SIF Bias Detector Output FM Detector Tank
64
33
1
32
2.270 (57.65) Max .236 (6.0) Max
.708 (18.0) Min
.070 (1.78)
.106 (2.7) Min
.750 (19.0)

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