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WT9051 PDF даташит

Спецификация WT9051 изготовлена ​​​​«Weltrend Semiconductor» и имеет функцию, называемую «Sync Singal Processor for Multi-Sync Display».

Детали детали

Номер произв WT9051
Описание Sync Singal Processor for Multi-Sync Display
Производители Weltrend Semiconductor
логотип Weltrend Semiconductor логотип 

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WT9051 Даташит, Описание, Даташиты
Weltrend Semiconductor, Inc.
WT9051
SYNC SINGAL PROCESSOR FOR
MULTI-SYNC DISPLAY
Data Sheet
REV1.0
JULY,6, 2001
The information in this document is subject to change without notice.
Weltrend Semiconductor, Inc. All Rights Reserve
24 2
2F, No. 24, Industry E. 9th RD., Science-Based Industrial Park, Hsin-Chu, Taiwan
TEL:886-3-5780241FAX:886-3-5794278.5770419









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WT9051 Даташит, Описание, Даташиты
WT9051
Data Sheet REV1.0
GENERAL DESCRIPTION
WT9051 is a sync signal processor for Multi-sync display.
The horizontal/vertical sync signal processing, the geometry compensation, the horizontal/vertical mixed
dynamic focus, the PWM, and the D/A converter are incorporated on a chip.
These functions are controlled by the I2C bus, it is easy to design application.
FEATURES
y Automatic Sync. Processing
y I 2 C bus control: All functions are controlled by I2 C bus.
y Geometry compensation function: Geometry compensation circuits are integrated on a chip for
Vertical Linearity S/C, trapezoid, side pin , side pin corner
Top &Bottom individually, parallelogram and side pin balance
y D/A converter: D/A converter are integrated on a chip for variable amount.
y Horizontal/Vertical mixed
y Dynamic Focus
y Horizontal/Vertical Moire Canceller: Moire cancel amount can be controlled.
y Horizontal/Vertical Size control: Horizontal/vertical screen size can be controlled by 8bits.
y Horizontal/Vertical Position control: Horizontal/vertical screen position can be controlled by 8bits.
y Polarity normalization circuit: Both positive and negative polarity are acceptable.
y Vertical blanking pulse and video clamp pulse generation circuit: Sand castle output. Vertical blanking
pulse width can be changed.
y Horizontal output duty adjustable
y Horizontal Lock detection circuit
y B+ Supply function
y EHT compensation for horizontal &vertical
y X-ray protection
PIN CONFIGURATION
Weltrend Semiconductor, Inc.
Page 2









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WT9051 Даташит, Описание, Даташиты
WT9051
Data Sheet REV1.0
PIN DESCRIPTION
Pin No. Pin Name
Description
1 GND1
The main ground pin for the
vertical circuit and the I 2 C
bus circuit.
Internal Equivalent Circuit
GND1
1
Wave Form
2 VOSC
Connect the capacitor for
oscillation of vertical saw
wave.
Please connect near pin,
because series resistance
component distorts
Rising waveform of the
vertical saw waveform. Use
the capacitor of the small
temperature drift
VCC
2
GND2
25uA 250uA 10uA
10K 2K
1K
5K
1.25K
GND1
fv
5.7V
2.7V
3 VAGC
Connect the capacitor for
AGC of vertical saw
Amplitude of vertical saw
wave is held constant by the
AGC circuit.
Vcc
5K
3
1.25K
DC Voltage=3~4V
1K
5K
5K
GND2
5K
GND1
5K
Weltrend Semiconductor, Inc.
Page 3










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WT9051Sync Singal Processor for Multi-Sync DisplayWeltrend Semiconductor
Weltrend Semiconductor

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