參數(shù)資料
型號: 935028240112
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: AM/FM, AUDIO DEMODULATOR, PDIP32
封裝: 0.400 INCH, PLASTIC, SDIP-32
文件頁數(shù): 10/19頁
文件大?。?/td> 187K
代理商: 935028240112
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Information as of 2001-06-13
TDA3858; Quasi-split sound processor for all standards
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Description
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Separate symmetrical IF inputs for FM or AM sound.
Gain controlled wideband IF amplifier, input select switch. AGC generation due to peak sync for FM or
mean signal level for AM. Reference amplifier for the regeneration of the vision carrier. Optimized limiting
amplifier for AM suppression in the regenerated vision carrier signal and 90° phase shifter.
Intercarrier mixer for FM sound, output with low-pass filter. Separate signal processing for 5.5 and 5.74
MHz intercarriers. Wide supply voltage range, only 300 mW power dissipation at 5 V.
Features
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Quasi-split sound processor for all standards e. g. B/G (FM sound) and L (AM sound)
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Reducing of spurious video signals by tracking function and AFC for the vision carrier reference
circuit; (recommended for NICAM)
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Automatic muting of the AF2 signal (at B/G) by the input level
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AM signal processing for L standard and switching over the audio signal
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Stereo matrix correction
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Layout-compatible with TDA3856 (24 pins) and TDA3857 (20 pins).
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Datasheet
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Datasheet
TDA3858 Quasi-split sound
processor for all
standards
01-Jun-94
Product
Specification
17
150
PDF
Block diagram
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Block diagram
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Products, packages, availability and ordering
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Philips Semiconductors: Product information on TDA3858, Quasi-split sound processor for all standards
file:///E|/export/projects/bitting2/imaging/BITTING/mail_pdf/cpl_images/tda3858.html (1 of 2) [7/17/2001 6:26:43 PM]
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