CX24123-11Z,557

Product Overview

Category

The CX24123-11Z,557 belongs to the category of integrated circuits (ICs).

Use

This product is primarily used in satellite television receivers and set-top boxes.

Characteristics

• High sensitivity: The CX24123-11Z,557 has a high sensitivity, allowing it to receive weak signals effectively.
• Low noise figure: It features a low noise figure, resulting in improved signal quality.
• Wide frequency range: This IC operates over a wide frequency range, making it suitable for various satellite TV applications.

Package

The CX24123-11Z,557 is available in a compact and durable package, ensuring easy integration into electronic devices.

Essence

The essence of this product lies in its ability to receive and process satellite signals, enabling the delivery of high-quality television content.

Packaging/Quantity

The CX24123-11Z,557 is typically packaged in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Frequency range: 950 MHz to 2150 MHz
• Input impedance: 75 ohms
• Supply voltage: 3.3 V
• Power consumption: 500 mW
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

1. RF_IN: RF input pin
2. AGC_OUT: Automatic Gain Control output pin
3. IF_OUT: Intermediate Frequency output pin
4. VCC: Power supply pin
5. GND: Ground pin

Functional Features

• Low noise figure amplifier: The CX24123-11Z,557 incorporates a low noise figure amplifier, enhancing signal reception quality.
• Automatic Gain Control (AGC): It includes an AGC circuit that maintains a consistent output level despite varying input signal strength.
• Integrated mixer: The IC integrates a mixer, which converts the received RF signal to an intermediate frequency for further processing.

Advantages and Disadvantages

Advantages

• High sensitivity ensures reliable reception of weak signals.
• Low noise figure results in improved signal quality.
• Wide frequency range allows for versatile satellite TV applications.
• Compact package facilitates easy integration into electronic devices.

Disadvantages

• Requires a 3.3 V power supply, limiting compatibility with certain systems.
• Power consumption of 500 mW may be relatively high for low-power applications.

Working Principles

The CX24123-11Z,557 operates based on the superheterodyne principle. It receives the RF signal through the RFIN pin and amplifies it using a low noise figure amplifier. The amplified signal is then mixed with a local oscillator signal to generate an intermediate frequency (IF) signal. This IF signal is extracted from the IFOUT pin and further processed for demodulation and decoding.

Detailed Application Field Plans

The CX24123-11Z,557 finds extensive application in satellite television receivers and set-top boxes. Its high sensitivity and wide frequency range make it suitable for various satellite TV systems, including direct-to-home (DTH) broadcasting, cable headends, and satellite internet services.

Detailed and Complete Alternative Models

1. CX24121-11Z,557: Similar to the CX24123-11Z,557, this model offers comparable performance but with a different pin configuration.
2. CX24125-11Z,557: This alternative model provides additional features such as built-in channel filtering and advanced error correction capabilities.
3. CX24130-11Z,557: Designed for professional-grade satellite TV equipment, this model offers enhanced signal processing capabilities and higher output power.

(Note: The above alternative models are fictional and provided for illustrative purposes only.)

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