The SMV1493-079LF is a silicon hyperabrupt junction varactor diode manufactured by Skyworks Solutions Inc. This diode is designed for use in voltage-controlled oscillators (VCOs), tunable filters, and other applications requiring variable capacitance. Its hyperabrupt junction provides a wide tuning range with relatively low voltage changes.

Applications

• Voltage-controlled oscillators (VCOs)
• Tunable filters
• Phase-locked loops (PLLs)
• Frequency synthesizers
• Tunable matching networks

Features

• Silicon hyperabrupt junction
• High tuning ratio
• Low series resistance
• Surface mount package
• Lead-free
• RoHS compliant

Benefits

• Provides a wide tuning range for VCOs and tunable filters, enabling flexible frequency control.
• Low series resistance minimizes insertion loss and improves circuit performance.
• Small surface mount package simplifies assembly and reduces board space requirements.
• Enhances signal integrity in high-frequency applications.
• Contributes to environmentally friendly designs due to lead-free and RoHS compliance.

Additional Details

The SMV1493-079LF typically features a capacitance range from approximately 1 pF to 7 pF over its specified voltage range. Its series resistance is typically less than 1 Ohm. The reverse voltage is typically 15V. The operating temperature range is -55°C to +125°C. The diode is supplied in a small SOT-23 package. The hyperabrupt junction design provides a high rate of change in capacitance with respect to voltage, making it ideal for applications where precise frequency control is required. This varactor diode is designed for reliable performance in demanding applications.