LMX9820ASM/NOPB

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The LMX9820ASM/NOPB is a surface mount RF Transceiver ICs with its application field in both cellular applications and local/remote control applications. The part is designed for use in harsh environments and provides excellent versatility for designers in need of robust, low power RF transceivers. This part operates within the 2.4GHz frequency band and will support both GSM and CDMA protocols.

Features

• Integrated voltage regulators for improved power efficiency.
• Low power operation.
• Excellent RF sensitivity and output power.
• Integrated power management unit.
• Multi-format support for GSM and CDMA.
• High precision integrated crystal oscillator.
• DC-DC converter for managing power supply.
• Fully compliant to ETSI GSM 03.20 specification.

Applications

The LMX9820ASM/NOPB is designed for use in remote or cellular applications. This part has become increasingly popular in the cellular industry due to its low power consumption and excellent output power. The part has found applications in consumer cellular phones, laptops, PDAs, vending machines and industrial control systems. It is also well suited for applications where security and reliability are paramount, such as medical equipment and payment systems. This part is designed to operate within the 2.4GHz ISM band and is compliant with the ETSI GSM 03.20 specification.

Working Principle

The LMX9820ASM/NOPB works by transmitting an RF signal at the desired frequency, which is then received by the destination. The device consists of two separate components: a transmit (TX)chain and a receive (RX) chain. The TX chain includes an integrated oscillator and low-noise amplifier, which is tuned to the desired frequency, and a power amplifier, which increases the signal before it is transmitted. The received signal is pre-amplified and then sent to the integrated voltage regulator, at which point it is regulated and forwarded to the low noise amplifier for further boosting. The amplified signal is then sent to the baseband and digital signal processor for further analysis and demodulation.

Additionally, the LMX9820ASM/NOPB includes a host of power management features, such as an integrated DC-DC converter, voltage regulators, and an integrated power management unit. This allows for seamless, efficient control of the device\'s power consumption, ensuring reduced energy expenditure for long-term use. With its range of features and rugged, reliable functionality, the LMX9820ASM/NOPB is an excellent choice for designers in need of a powerful, low energy RF Transceiver IC.

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