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M52390FP - NTSC/PAL ENCODER

Description

The M52390FP is a single-chip semiconductor integrated circuit which has a function to convert R/G/B signal to NTSC/PAL composite video signal and the superimpose function.

20 LPF fc CONT.

Features

  • RGB encode.
  • LPF for chroma difference signal is built-in. Cutoff frequency control is possible by connecting a resistor externally.
  • Because VCA circuit is built-in, gain control at chroma block is possible.
  • Carrier leak is on a low level because of built-in high-precision modulation circuit and clamp circuit.
  • Burst signal and sync signal are generated within the IC. Superimpose function.
  • Ys IN (control input) is used for switching 2 input signals, VIDEO.

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Full PDF Text Transcription

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MITSUBISHI ICs (AV COMMON) M52390FP NTSC/PAL ENCODER DESCRIPTION The M52390FP is a single-chip semiconductor integrated circuit which has a function to convert R/G/B signal to NTSC/PAL composite video signal and the superimpose function. PIN CONFIGURATION (TOP VIEW) GND C.Sync IN HHK 3fsc TRAP CLAMP B VCXO APC FILTER VIDEO IN 1 2 3 20 LPF fc CONT. 19 COLOR CONT. 18 R IN 17 G IN 16 B IN 15 Y OUT 14 Y IN 13 Vreg 12 Ys IN 11 VCC FEATURES RGB encode •LPF for chroma difference signal is built-in. Cutoff frequency control is possible by connecting a resistor externally. •Because VCA circuit is built-in, gain control at chroma block is possible. •Carrier leak is on a low level because of built-in high-precision modulation circuit and clamp circuit.
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