The ROS-1800+ is a voltage-controlled oscillator (VCO) manufactured by Mini-Circuits. It is a compact and versatile component designed to generate a stable and tunable signal, essential for various frequency control applications.

Applications

• Frequency synthesizers
• Phase-locked loops (PLLs)
• Test and measurement equipment
• Communication systems
• Clock generation

Features

• Low phase noise, ensuring high signal purity
• Wide tuning range, offering flexibility in frequency selection
• Miniature size, ideal for compact designs
• Excellent linearity, simplifying circuit integration
• Hermetically sealed package, enhancing reliability
• RoHS compliant, in accordance with environmental standards

Benefits

• Improved system performance due to cleaner signal generation
• Flexibility in frequency selection due to broad tuning range
• Reduced board space requirements due to small size
• Simplified circuit design because of good linearity
• Increased reliability and durability due to sealed package
• Environmentally friendly

Detailed Specs

The ROS-1800+ operates at a center frequency of 1800 MHz. It provides a tuning voltage range typically from 0.5V to 12V, enabling precise frequency control. It exhibits low phase noise, typically specified as -103 dBc/Hz at 10 kHz offset. The output power is typically around 4±2 dBm. The supply voltage is 8V, and the current consumption is approximately 25 mA. The device is housed in a miniature package measuring 0.5 x 0.5 x 0.18 inches. It is designed for operation in a temperature range of -55°C to +85°C.

The ROS-1800+'s low phase noise is particularly important in applications requiring high signal integrity, such as high-speed data communication and sensitive receiver systems. Its wide tuning range offers versatility, making it suitable for diverse frequency bands and system architectures. The compact size makes it ideal for portable devices and compact test equipment.

The hermetically sealed package contributes to the device's robustness and ensures consistent performance, even in challenging environmental conditions. As with other Mini-Circuits ROS series VCOs, proper impedance matching and filtering are recommended for optimal performance in specific applications.