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TDA4443 from ST,ST Microelectronics

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15.991ms

TDA4443

Manufacturer: ST

MULTISTANDARD VIDEO IF AMPLIFIER

Partnumber Manufacturer Quantity Availability
TDA4443 ST 4 In Stock

Description and Introduction

MULTISTANDARD VIDEO IF AMPLIFIER The TDA4443 is a video IF amplifier and demodulator IC manufactured by STMicroelectronics (ST).  

### **Specifications:**  
- **Supply Voltage (VCC):** 12V  
- **Power Consumption:** 350 mW (typical)  
- **Input Frequency Range:** 38.9 MHz (standard for PAL systems)  
- **Gain Control Range:** 60 dB (typical)  
- **Demodulation:** Synchronous demodulator for AM signals  
- **Output Signal:** Video and AFT (Automatic Fine Tuning) signals  

### **Descriptions:**  
The TDA4443 is designed for TV and video applications, providing amplification and demodulation of intermediate frequency (IF) signals. It includes an automatic gain control (AGC) circuit to maintain stable output levels and a synchronous demodulator for improved signal quality.  

### **Features:**  
- **High Input Sensitivity:** Suitable for weak signal reception  
- **Built-in AGC Circuit:** Ensures stable video output  
- **Low Noise Figure:** Enhances signal clarity  
- **AFT Output:** Provides tuning stability  
- **Wide AGC Control Range:** Handles varying signal strengths  
- **Internal Limiter:** Reduces amplitude variations  

The TDA4443 is commonly used in analog TV receivers and video processing systems.

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