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TB1239BF 반도체 회로 부품 판매점

Bi-CMOS Integrated Circuit Silicon Monolithic



Toshiba Semiconductor 로고
Toshiba Semiconductor
TB1239BF 데이터시트, 핀배열, 회로
www.DataSheet4U.com
Preliminary
Bi-CMOS Integrated Circuit Silicon Monolithic
TB1239BF
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
Weight: 0.83 g (typ.)
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 I2C 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
1 2002-02-12


TB1239BF 데이터시트, 핀배열, 회로
www.DataSheet4U.com
Others
· Y/C out level control
· 4-channels inputs switching
· 2-input circuit for RGB
· 2-input circuit for Y/Cb/Cr
· Y/Cb/Cr outputs
· Cb/Cr offset adjustment
· Built-in pre filters for A/D converter
TB1239BF
2 2002-02-12




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제조업체: Toshiba Semiconductor

( toshiba )

TB1239BF cmos

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TB1239BF

Bi-CMOS Integrated Circuit Silicon Monolithic - Toshiba Semiconductor