The LTC6946IUFD-2#TRPBF is a high-performance, low noise Phase-Locked Loop (PLL) with integrated Voltage-Controlled Oscillator (VCO) from Linear Technology, designed to address the needs of RF and microwave communication systems. This advanced component offers a wide frequency range and low phase noise, making it an ideal choice for applications such as wireless infrastructure, test and measurement equipment, and military systems.

Key Features

• Frequency Range: The VCO operates over a frequency range of 224MHz to 3.7GHz, providing flexibility for various applications.
• Low Phase Noise: Engineered to deliver excellent phase noise performance, which is crucial for maintaining signal integrity in communication systems.
• Integrated PLL: The inclusion of an integrated phase-locked loop simplifies design and reduces the number of external components required.
• Output Divider: An integrated output divider with programmable division ratios extends the output frequency range and provides additional versatility.
• Highly Programmable: The device offers programmable charge pump current, loop filter bandwidth, and VCO power output, allowing for fine-tuning to specific system requirements.

Performance and Quality

The LTC6946IUFD-2#TRPBF is engineered for high performance, featuring a fractional/integer-N synthesizer that enhances frequency resolution. It boasts a fast lock time and a low spurious output, which is essential for maintaining the integrity of the RF signal chain. Additionally, the device is designed with Linear Technology's rigorous quality standards, ensuring reliable operation across its specified temperature range and a long product life cycle.

Package and Supply

This product is offered in a compact, 28-lead (4mm x 5mm) QFN package, making it suitable for space-constrained applications. It is specified for operation from -40°C to 85°C, catering to a wide range of environmental conditions. Furthermore, the LTC6946IUFD-2#TRPBF comes in tape and reel packaging, facilitating efficient handling and manufacturing processes.

Applications

• Wireless Infrastructure (e.g., base stations, backhaul)
• Test and Measurement Equipment
• Military Communication Systems
• Satellite Communications
• RF Synthesizers