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TDA2540

IF AMPLIFIER WITH DEMODULATOR AND AFC

Partnumber Manufacturer Quantity Availability
TDA2540 200 In Stock

Description and Introduction

IF AMPLIFIER WITH DEMODULATOR AND AFC The TDA2540 is an integrated circuit (IC) manufactured by Philips Semiconductors (now NXP Semiconductors). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Function:** Video IF amplifier and demodulator for PAL/SECAM TV systems.  
- **Package:** 18-pin DIP (Dual In-line Package).  
- **Supply Voltage (Vcc):** Typically **12V**.  
- **Power Consumption:** Approximately **1.5W**.  
- **Operating Temperature Range:** **-20°C to +70°C**.  
- **Input Frequency Range:** Designed for **38.9 MHz** (standard IF frequency for TV signals).  
- **Gain Control:** Includes **Automatic Gain Control (AGC)** for stable signal output.  

### **Descriptions:**  
- The TDA2540 is a monolithic IC designed for processing intermediate frequency (IF) signals in analog TV receivers.  
- It integrates functions such as amplification, synchronous demodulation, and AGC for PAL/SECAM color TV systems.  
- The IC is optimized for use in TV tuners and IF stages, ensuring stable video and sound carrier separation.  

### **Features:**  
1. **High Gain IF Amplifier:** Provides sufficient amplification for weak IF signals.  
2. **Synchronous Demodulator:** Ensures accurate demodulation of video and sound carriers.  
3. **Built-in AGC:** Maintains consistent output levels under varying input signal strengths.  
4. **Low Noise Performance:** Enhances signal clarity in TV reception.  
5. **Integrated Video Detector:** Extracts composite video signals from the IF carrier.  
6. **Sound IF Output:** Provides a separate output for FM sound demodulation.  

This information is based on the manufacturer's datasheet and technical documentation.

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