SC1437 Precision Voltage Detector With Programmable Trigger Voltage & Timer Delay - Semtech Corporation

The SC9256 is a phase-locked loop (PLL) integrated circuit designed for digital tuning systems (DTS), featuring built-in 2 modulus prescalers. All functions are controlled through three serial bus lines. These integrated circuits are utilized to configure high-performance digital tuning systems.

The SC9256 PLL IC represents a crucial component in modern digital tuning systems, facilitating precise frequency control and signal stability. Its architecture includes a phase comparator, a voltage-controlled oscillator (VCO), and the aforementioned prescalers, which allow for efficient frequency division. The 2 modulus prescaler enables the IC to handle a wide range of input frequencies, enhancing its versatility for various applications in radio and television receivers.

The control of the SC9256 is achieved through a serial communication interface, which simplifies the integration with microcontrollers and other digital devices. This interface allows for easy programming of the tuning parameters, ensuring that the system can be optimized for specific operational requirements. The three serial bus lines typically consist of data, clock, and enable signals, which facilitate the transfer of configuration commands and status information between the SC9256 and the controlling microcontroller.

In addition to its core functionality, the SC9256 may incorporate features such as automatic frequency control (AFC) to improve tuning accuracy and reduce drift. The use of a PLL in digital tuning systems allows for rapid acquisition of the desired frequency, making it suitable for applications where quick response times are essential.

Overall, the SC9256 is integral to the development of high-performance digital tuning systems, providing robust performance and flexibility for a variety of consumer electronics. Its design reflects the ongoing advancements in integrated circuit technology, enabling improved functionality in compact form factors.The SC9256 is phase-locked loop (PLL) LSIs for digital tuning systems (DTS) with built in 2 modulus prescalers. All functions ate controlled through 3 serial bus lines. These LSIs are used to configure high-performance digital tuning system. By Silan 🔗 External reference