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TDA9880
Information as of 2000-08-23
TDA9880; Alignment-free multistandard vision and FM sound IF-PLL demodulator
The TDA9880(T) is an integrated circuit for multistandard vision IF signal processing and FM demodulation in TV and VTR sets.
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5 V supply voltage
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Gain controlled wide-band Vision Intermediate Frequency (VIF) amplifier (AC-coupled)
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True synchronous demodulation with active carrier regeneration (very linear demodulation, good intermodulation figures, reduced
harmonics and excellent pulse response)
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Fully integrated VIF Voltage Controlled Oscillator (VCO), alignment-free
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Digital acquisition help, VIF frequencies of 38.0, 38.9, 45.75 and 58.75 MHz
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4 MHz reference frequency input [signal from Phase-Locked Loop (PLL) tuning system] or operating as crystal oscillator
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VIF Automatic Gain Control (AGC) detector for gain control, operating as peak sync detector, fast reaction time
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Precise fully digital Automatic Frequency Control (AFC) detector with 4-bit digital-to-analog converter
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Fully integrated sound carrier trap for 4.5, 5.5, 6.0 and 6.5 MHz, controlled by reference signal
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Alignment-free selective FM-PLL demodulator with high linearity and low noise
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Digital frequency control, sound carrier frequencies 4.5, 5.5, 6.0 and 6.5 MHz
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Stabilizer circuit for ripple rejection and to achieve constant output signals
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Electrostatic discharge (ESD) protection for all pins.
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