The UPB569G is a silicon monolithic integrated circuit designed by NEC for use as a prescaler in various frequency synthesizer applications. It is particularly suited for applications in the UHF and VHF bands, where low power consumption and high input sensitivity are critical. This device offers a cost-effective solution for frequency division, contributing to the overall efficiency and performance of communication systems.

Applications

• UHF and VHF frequency synthesizers: Used in radio communication equipment and wireless devices.
• CATV tuners: Employed in cable television tuners for frequency down-conversion.
• Satellite receivers: Utilized in satellite communication systems for signal processing.
• Test and measurement equipment: Incorporated into signal generators and frequency counters.

Features

• High input sensitivity: Ensures reliable operation with weak input signals.
• Low power consumption: Minimizes battery drain in portable applications and reduces overall system power requirements.
• High-frequency operation: Capable of handling signals in the UHF and VHF bands.
• Single power supply operation: Simplifies circuit design and reduces the number of external components needed.
• Compact package: Facilitates integration into densely populated circuit boards.

Benefits

• Improved system performance: The high input sensitivity and low power consumption contribute to enhanced system efficiency.
• Cost-effective solution: Provides a reliable and affordable frequency division solution.
• Simplified design: The single power supply operation and compact package reduce design complexity and board space requirements.
• Enhanced reliability: The robust design ensures stable and dependable operation in demanding environments.

Additional Details

The UPB569G typically operates with a single +5V power supply. The device features a divide-by-64 prescaling ratio. The input frequency range typically extends up to several hundred MHz, making it suitable for a wide range of communication applications. The output is usually a standard logic level signal compatible with other digital circuits.