processor

CD2399GP Datasheet PDF – Reverberation Processing Chip

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Part Number: CD2399GP

Function: Reverb FM Tuning Circuit IC

Package: DIP 16, SOP 16 Type

Manufacturer: www.web-ic.com.cn

Image

CD2399GP image

 

Decription

The CD2399GP is a reverb processing chip, which includes a digital-analog, analog to digital conversion and high sampling frequency, but also built a 44K of memory. Digital processing section generates a delay time. The system clock with built-in voltage-controlled oscillator, a major digital processing circuit Characteristics, making it very easy to adjust the frequency. CD2399 advantage is that it has very low noise and distortion factor (NO <-90dBV), it is possible to output high quality audio signals. In order to pursue a simpler PCB layout placement and lower cost, CD2399 pinout and application circuit are optimized.

Pinout

CD2399GP datasheet pdf

Features

  1. With automatic reset function
  2. Low noise, typically, NO <-90dBV
  3. Low distortion, THD <1.0%
  4. Externally adjustable voltage-controlled oscillator

Applications:

1. Video tape recorder (VTR), VCD, TV

2. CD-R, car audio system, karaoke mixer

3. Electronic music equipment

CD2399GP Datasheet PDF


 

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LA7674 Datasheet PDF – Color TV Chip Signal Processor

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Part Number: LA7674

Function: Color TV singl-chip signal processor for NTSC systems (PLL detection)

Package: DIP 52 Pin Type

Manufacturer: SANYO (Panasonic)

Pinouts:

LA7674 datasheet

 

Description

The LA7674 improves upon the black-level, horizontaljitter, switch-on drift performance of the single-chip LA7672 used to date. Also a single-chip IC, the device is for color TVs based on the NTSC (National Television System Committee) system with an on-chip circuit for all VIF, SIF, video, chroma and deflection signal processing.

A Color TV Single-Chip Signal Processor is an integrated circuit that processes video and audio signals for color televisions. It is a specialized microprocessor that receives input signals from various sources such as cable, satellite, or broadcast television, and processes them to produce a high-quality image and sound.

Functions and Features

[VIF]
1. PLL detection (high video and audio quality)
2. High-gain VIF amplifier
3. High speed AGC
4. On-chip APC time constant switch

[SIF]
1. Simultaneous sound IN/OUT
2. Video/audio simultaneous muting, or audio-only muting possible

[Deflection]
1. Adjustment-free horizontal, vertical synchronization
2. Dual AFC system with excellent anti-noise characteristics
3. External adjustment of vertical synchronization sensitivity
4. Vertical size is constant with no-signal

Block Diagram:

components

Other data sheets are available within the file: LA7672

LA7674 Datasheet PDF Download

LA7674 pdf