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NTE1845 PDF даташит

Спецификация NTE1845 изготовлена ​​​​«NTE» и имеет функцию, называемую «Integrated Circuit TV Video Processor».

Детали детали

Номер произв NTE1845
Описание Integrated Circuit TV Video Processor
Производители NTE
логотип NTE логотип 

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NTE1845 Даташит, Описание, Даташиты
NTE1845
Integrated Circuit
TV Video Processor
Description:
The NTE1845 is a small–sized multifunctional IC containing the “video, chroma, deflection” circuit of
NTSC color TV in a shrink type 30–Lead DIP package. Besides being small–sized, it has such fea-
tures as greately reduced number of parts and fewer adjustments required. The device contains a
peak clip circuit and is well suited for use in small–sized sets.
Features:
D Small–Sized Package
D Minimum Number of Parts Required
D Fewer Adjustments Required
D Chroma VCO (APC)
D Horizontal OSC (H–Hold)
D Vertical OSC (V–Hold)
D Multifunction
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Maximum Supply Voltage, V16(max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14V
Maximum Supply Current, I22(max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15.0mA
Allowable Power Dissipation (TA +65°C), PD(max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1100mW
Operating Temperature Range, Topg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +85°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +125°C
Recommended Operating Conditions: (TA = +25°C unless otherwise specified)
Recommended Supply Voltage, V16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V
Recommended Supply Current, I22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA
Operating Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 to 14V
Operating Current Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 to 15.0mA









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NTE1845 Даташит, Описание, Даташиты
Electrical Characteristics: (TA = +25°C, V16 = 12V, I22 = 10mA unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Chroma
ACC Amplitude Characteristics
ACC1
3 0 +3 dB
ACC2
7 0 +2 dB
ACC Phase Characteristics
ACC1
0 ±3 deg
ACC2
0 ±7 deg
Maximum BY Demodulation Output
Unicolor Amplitude Characteristics
BY max
GU
5.0
17
VPP
dB
Tint Change Range
T
110 deg
APC PullIn Range
Color Difference Output DC Voltage
Color Difference DC Difference Voltage
RY Relative Demodulation Angle
fAPC
ERGB
ERGB
RY/BY
±300
6.7 7.2 7.7 V
– – ±300 mV
104 deg
GY Relative Demodulation Angle
GY/BY
– –122 deg
RY Demodulation Ratio
RY/BY
0.9
GY Demodulation Ratio
GY/BY
0.3
Video
Video Tone Control Characteristics
Video Voltage Gain
Gpmin
Gpmax
VG
5 3 1 dB
12 15 18 dB
12 15 18 dB
Contrast Variable Range
GC
18 B
Frequency Response
GV f = 5MHz
5
dB
Synchronization, Deflection
Sync Separation Input DC Level
Vertical FreeRunning Frequency
Vertical Blanking Pulse Width
Vertical Drive Stage Voltage Gain
VS.S
fV
TBL
VG
9.3
fH/296.5
19H
16
V
Hz
dB
Horizontal FreeRunning Frequency
Horizontal Drive Output Pulse Width
Horizontal Sync PullIn Range
fH
TH
fPULL
15.734 kHz
24.5 µs
±400
Hz









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NTE1845 Даташит, Описание, Даташиты
Pin Connection Diagram
2nd BPA 1
Sharp Video 2
Soft Video 3
Contrast 4
Contrast VR 5
Pedestal Clamp 6
Brightness Control 7
Brightness VR 8
RY 9
G Y 10
B Y 11
Color Killer 12
Tint Control 13
VCO 14
APC 15
30 1st BPA
29 ACC
28 GND
27 Sync Separator
26 Burst Gate Pulse
25 Vert Sync Separator
24 Ramp Generator
23 Vert Driver
22 (+) BH (110V)
21 AFC
20 (+) BH
19 Horiz OSC
18 XRay Protect
17
Horiz PreDriver
Output
16 VCC
30 16
1
1.066 (27.0)
.070 (1.78)
15
.200
(5.08)
Max
.388 (8.6)
.125 (3.17)
.400 (10.16)










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