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KB2147 데이터시트 PDF




Samsung에서 제조한 전자 부품 KB2147은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 KB2147 기능
기능 Deflection Processor for Multisync Monitors
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KB2147 데이터시트, 핀배열, 회로
DEFLECTION PROCESSOR FOR MULTISYNC MONITORS
KB2147
DEFLECTION PROCESSOR
The KB2147 is a monolithic integrated circuit assembled in a
42 pins shrunk dual in line plastic package.
The goal of this IC is to control all the functions related to the
horizontal and vertical deflection in multimodes or multisync
monitors.
42-SDIP-600
FUNCTIONS
• Positive or Negative sync polarities
• Auto-sync horizontal processing
• H-PLL lock/unlock identification
• Auto-sync Vertical processing
• East/West signal processing block
• B+ controller
• Safety blanking output
FEATURES
ORDERING INFORMATION
Device
KB2147
Package
42-SDIP
Operation Temperature
0 °C ~ 70 °C
(HORIZONTAL)
• Dual Pll concept
• Self-adaptative (30 to 70kHz)
• X-ray protection input
• DC adjustable duty-cycle
• Internal 1st PLL lock/unlock information
• Wide range DC controlled H-position
• ON/OFF switch (for PWR management)
• Two H-drive polarities
(VERTICAL)
• Vertical ramp generator
• 50 to 120Hz AGC Loop
• DC controlled V-amp, V-pos, S-amp & S-centring
• ON/OFF Switch
(B+ REGULATOR)
• Internal PWM generator for B+ current mode
step-up conveter
• DC adjustable B+ voltage
• Output pulse synchronised on horizontal frequency
• Internal MAX current limitation
(GENERAL)
• Accept Positive or Negative Horizontal &
Vertical sync polarities
• Separate H & V TTL input
• Safety blanking output
(EWPCC)
• Vertical parabola generator with DC
• controlled keystone & amplitude
1




KB2147 pdf, 반도체, 판매, 대치품
KB2147
DEFLECTION PROCESSOR FOR MULTISYNC MONITORS
PIN DESCRIPTION
Pin No
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
Pin Name
PLL2C
H-DUTY
H-FLY
H-GND
H-REF
NC
NC
NC
NC
C0
R0
PLL1F
HLOCK-CAP
FH-MIN
H-POS
XRAY-IN
H-SYNC
Vcc
GND
H-OUTEM
H-OUTCOL
B+OUT
SBLK
OUT
VGND
VAGCCAP
VREF
Table 1. Pin Description
Description
Second PLL Loop Filter
DC Control of Horizontal Drive Output Pulse Duty-cycle.
If this pin grounded, the horizontal and vertical outputs are inhibited. By connecting a
capacitor on the this pin a soft-start function may be realized on h-drive output.
Horizontal Flyback Input (Positive Polarity)
Horizontal section ground. Must be connected only to components related to H
blocks.
Horizontal section reference voltage. Must be filtered by capacitor to pin 4.
Horizontal Oscillator Capacitor. To be connected to pin 4.
Horizontal Oscillator Resistor. To be connected to pin 4.
First PLL Loop filter. To be connected to pin 4.
First PLL Lock/Unlock Time Constant Capacitor. Capacitor filtering the freqency
change detected on pin 13. When frequency is changing, a blanking pulse is
generated on pin 23, the duration of this pulse is proportionnal to the capacitor on
pin 13. To be connected to pin 4.
DC Control for free running frequency setting. Comming from DAC output or DC
voltage generated by a resistor bridge connected between pin 5 and 4.
DC Control for Horizontal Centering
X-RAY Protection input (with Internal latch function)
TTL Horizontal Sync Input
Supply Voltage (12V Typical)
Ground
Horizontal Drive Output (emiter of internal transistor)
Horizontal Drive Output (open collector of internal transistor)
B+ PWM Regulator output
Safety Blanking output. Activated during frequency changes, when X-RAY input is
triggered or when VS is too low.
Vertical Section Signal Ground
Memory Capacitor for Automatic Gain Control Loop in Vertical Ramp Generator
Vertical Section Reference Voltage
4

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KB2147 전자부품, 판매, 대치품
DEFLECTION PROCESSOR FOR MULTISYNC MONITORS
KB2147
Parameter
Symbol
DC Voltage Range on DC Controls (Pins 2-14-15) DCadj
Conditions
VREF-H = 8V
Min Typ Max Unit
2 6V
7

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부품번호상세설명 및 기능제조사
KB2147

Deflection Processor for Multisync Monitors

Samsung
Samsung

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