參數(shù)資料
型號(hào)： TB1239BF
廠商： Toshiba Corporation
英文描述： Bi-CMOS Integrated Circuit Silicon Monolithic
中文描述： 雙CMOS硅單片集成電路
文件頁(yè)數(shù)： 1/26頁(yè)
文件大?。?/td> 333K
代理商： TB1239BF
TB1239BF
2002-02-12
1
Bi-CMOS Integrated Circuit Silicon Monolithic
TB1239BF
Luminance, Chroma and Synchronizing Signals Processor IC for PAL/NTSC/SECAM
COLOR TV
TB1239BF integrates luminance, chroma and synchronizing
signals processing circuits for PAL/NTSC/SECAM color TV
system.
TB1239BF incorporates high performance picture quality
compensation circuits in luminance section, an automatic
PAL/NTSC/SECAM discrimination and decode circuits in chroma
section, and an automatic 50/60 Hz discrimination circuit in
synchronizing section.
Besides a crystal oscillator generates 4.43 MHz, 3.58 MHz and
M/N-PAL clock signals internally for color demodulation. A
horizontal PLL circuit is also built in this IC.
PAL/SECAM demodulation circuits which are adjustment-free
circuits incorporates a 1 H DL circuit inside for operating the
base band signal processing system.
Also, TB1239BF makes it possible to set and to control various functions through the built-in I
2
C BUS line.
Features
Luminance Section
Built-in chroma trap filter
Black stretch circuit
DC restoration circuit
Y delay line
Sharpness control
Sub-Contrast control (
/+2dB)
Black set-up for PAL plus
Chroma Section
Built-in 1 H delay circuit (PAL/SECAM base band demodulation system)
One crystal color demodulation circuit (4.43 MHz, 3.58 MHz, M/N-PAL)
Automatic system discrimination system and forced system mode
1 H delay line also serves as comb filter in NTSC demodulation
Built-in band-pass and take-off filter, SECAM bell filter
Sub-Color control (
/+2dB)
Synchronizing Section
Built-in horizontal VCO resonator
Adjustment-free horizontal and vertical oscillation by count-down circuit
Automatic vertical frequency discrimination circuit
Noise detection circuit
Weight: 0.83 g (typ.)
Preliminary
相關(guān)PDF資料
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TB1240AN 制造商:未知廠家 制造商全稱:未知廠家 功能描述:中文資料
TB1245N 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:TOSHIBA Bi-CMOS INTEGRATED CIRCUIT SILICON MONOLITHIC
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TB-125.000MBD-T 功能描述:標(biāo)準(zhǔn)時(shí)鐘振蕩器 125.000MHz 3.3V 25ppm -40C to 85C RoHS:否 制造商:AVX 產(chǎn)品:Standard Clock Oscillators 封裝 / 箱體:7 mm x 5 mm 頻率:75 MHz 頻率穩(wěn)定性:50 PPM 電源電壓:2.5 V 負(fù)載電容: 端接類型:SMD/SMT 最小工作溫度:0 C 最大工作溫度:+ 70 C 輸出格式:LVDS 尺寸: 封裝:Reel 系列:
TB-125.000MBE-T 制造商:TXC Corporation 功能描述:OSC MEMS 125.000 MHZ 3.3V SMD
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