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MAX2104 from MAXIM,MAXIM - Dallas Semiconductor

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MAX2104

Manufacturer: MAXIM

Direct-Conversion Tuner IC for Digital DBS Applications

Partnumber Manufacturer Quantity Availability
MAX2104 MAXIM 1394 In Stock

Description and Introduction

Direct-Conversion Tuner IC for Digital DBS Applications The MAX2104 is a direct-conversion tuner IC manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Frequency Range:** 950MHz to 2150MHz  
- **Supply Voltage:** 4.5V to 5.5V  
- **Current Consumption:** 120mA (typical)  
- **Conversion Gain:** 45dB (typical)  
- **Noise Figure:** 5dB (typical)  
- **Input IP3 (Third-Order Intercept Point):** +5dBm (typical)  
- **IF Output Frequency Range:** DC to 8MHz  
- **Package:** 48-pin TQFP (Thin Quad Flat Pack)  

### **Descriptions:**  
- The MAX2104 is a direct-conversion tuner designed for satellite and terrestrial TV applications.  
- It integrates a low-noise amplifier (LNA), mixer, local oscillator (LO), and baseband amplifier in a single chip.  
- The device supports direct conversion (zero-IF) architecture, eliminating the need for external IF SAW filters.  

### **Features:**  
- **Direct-Conversion Tuner:** Converts RF signals directly to baseband without an intermediate frequency (IF) stage.  
- **Integrated LNA and Mixer:** Reduces external component count.  
- **On-Chip LO with PLL:** Includes a phase-locked loop (PLL) for frequency synthesis.  
- **Low Noise Figure:** Optimized for high sensitivity.  
- **High Linearity:** Supports strong signal environments.  
- **Single 5V Supply Operation:** Simplifies power supply design.  

This information is sourced from the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Direct-Conversion Tuner IC for Digital DBS Applications

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