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TDA5930-5 Datasheet

  • TDA5930-5

  • Video IF Amplifier and Demodulator

  • 483.44KB

  • 18頁

  • INFINEON   INFINEON

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Video IF Amplifier and Demodulator
TDA 5930-5
Bipolar IC
Features
q
q
q
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Multistandard video IF
Interference suppression circuitry
Mean/peak value control
Area of application: multistandard TV / VCR, mono, stereo
cable converter, mono, stereo
P-DIP-16-1
Type
TDA 5930-5
Ordering Code
Q67000-A5135
Package
P-DIP-16-1
Circuit Description
Video IF for all European standards. The analog setting function (delayed tuner AGC threshold) is
controlled via a potentiometer.
The IC is suitable for use in Euro- or multi-standard TV sets for mono and stereo application.
The component includes a four-stage, capacitively coupled, symmetrically designed and controlled
amplifier, a limiter with selection, and a mixer for quasi-synchronous demodulation of positive and
negative modulated IF signals. In addition a video output amplifier and noise suppression circuitry
are included. This output is used for generating the AGC voltage. The AGC for both modulation
types has been realized as integral AGC with noise-free peak and mean value detector (only for
positive modulation). A delayed tuner AGC with positive AGC direction (increase in tuner AGC
voltage
鈫?/div>
increased gain) is derived from the AGC voltage via a threshold amplifier set by means
of an external potentiometer.
A positive video output with 3 Vpp and a negative video output with 2 Vpp are available.
Semiconductor Group
13
06.94

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