The STW81100ATR-1 is a versatile RF synthesizer designed to meet the stringent requirements of modern wireless communication systems. Manufactured by STMicroelectronics, a leader in semiconductor solutions, this device offers a high level of integration, performance, and flexibility, making it an ideal choice for a wide range of applications including base stations, wireless networking, and satellite communications.

Key Features

• Wide Frequency Range: The STW81100ATR-1 can generate frequencies from 625 MHz to 7.5 GHz, making it suitable for various frequency bands and signal generation needs.
• Dual Integer/Fractional-N PLLs: With dual Phase-Locked Loops (PLLs), this device allows for fine frequency resolution while maintaining low phase noise characteristics.
• Integrated VCOs: The inclusion of Voltage-Controlled Oscillators (VCOs) simplifies the design and reduces the need for external components.
• Programmable Charge Pump: The charge pump current can be programmed to optimize loop filter performance, which is crucial for achieving desired lock times and phase noise levels.
• Fast Lock Modes: Fast lock modes are available to minimize the time required for the PLL to lock onto a new frequency, enhancing the agility of the synthesizer.
• Low Power Consumption: Designed with power efficiency in mind, the device operates with low power consumption, making it suitable for battery-powered applications.
• Serial Interface: A 3-wire serial interface is provided for programming and control, allowing for easy integration into system designs.

Applications

The STW81100ATR-1 is engineered to cater to a diverse array of applications. Its ability to generate a wide range of frequencies with precision makes it an excellent fit for:

• Wireless infrastructure (GSM, WCDMA, LTE)
• Wireless LAN and broadband access
• Instrumentation and test equipment
• Satellite communication systems
• Other RF applications requiring a high-performance frequency synthesizer

Package and Availability

The STW81100ATR-1 is offered in a QFN package that is both space-saving and amenable to modern PCB design techniques. It is available through STMicroelectronics and authorized distributors, ensuring easy access for designers and manufacturers globally.