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MAX2108

Direct-Conversion Tuner IC

Partnumber Manufacturer Quantity Availability
MAX2108 100 In Stock

Description and Introduction

Direct-Conversion Tuner IC The MAX2108 is a direct-conversion tuner IC manufactured by Maxim Integrated. Here are the key specifications, descriptions, and features from Ic-phoenix technical data files:

### **Description:**  
The MAX2108 is a highly integrated, direct-conversion tuner designed for digital satellite set-top box applications. It converts L-band signals directly to baseband I/Q outputs, eliminating the need for intermediate frequency (IF) stages.

### **Key Features:**  
- **Frequency Range:** 950 MHz to 2150 MHz  
- **Direct Conversion Architecture** (Zero-IF)  
- **Integrated Low-Noise Amplifier (LNA)**  
- **On-Chip Voltage-Controlled Oscillator (VCO)**  
- **I/Q Demodulator with Baseband Amplifiers**  
- **Integrated Fractional-N Synthesizer**  
- **Low Phase Noise Performance**  
- **Single 5V Supply Operation**  
- **Low Power Consumption**  
- **Serial Interface for Control (SPI-Compatible)**  
- **Small Package (48-Pin TQFP)**  

### **Applications:**  
- Digital satellite receivers  
- Set-top boxes  
- Direct broadcast satellite (DBS) systems  

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

Application Scenarios & Design Considerations

Direct-Conversion Tuner IC
Partnumber Manufacturer Quantity Availability
MAX2108 MAX 386 In Stock

Description and Introduction

Direct-Conversion Tuner IC The MAX2108 is a direct-conversion tuner IC designed for digital satellite applications, manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Frequency Range:** 925 MHz to 2175 MHz  
- **Supply Voltage:** +4.5V to +5.5V  
- **Current Consumption:** 120 mA (typical)  
- **Conversion Gain:** 45 dB (typical)  
- **Noise Figure:** 7 dB (typical)  
- **Input IP3 (Third-Order Intercept Point):** -5 dBm (typical)  
- **LO (Local Oscillator) Phase Noise:** -85 dBc/Hz at 100 kHz offset  
- **IF (Intermediate Frequency) Output:** DC to 500 MHz  
- **Package:** 48-pin TQFP (Thin Quad Flat Pack)  

### **Descriptions:**  
The MAX2108 is a direct-conversion tuner IC optimized for digital satellite receivers, set-top boxes, and other broadband communication systems. It integrates a low-noise amplifier (LNA), mixer, LO synthesizer, and baseband amplifiers, eliminating the need for external IF SAW filters. Its direct-conversion architecture simplifies receiver design by converting RF signals directly to baseband.  

### **Features:**  
- **Integrated LNA, Mixer, and LO Synthesizer**  
- **On-Chip VCO (Voltage-Controlled Oscillator) with PLL**  
- **Single 5V Supply Operation**  
- **Low Phase Noise for High-Quality Signal Reception**  
- **DC-Coupled IF Outputs for Baseband Processing**  
- **I²C-Compatible Serial Interface for Control**  
- **High Linearity for Improved Signal Handling**  

The MAX2108 is designed for applications requiring high performance in satellite and broadband communication systems.

Application Scenarios & Design Considerations

Direct-Conversion Tuner IC

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