The 1SV228 is a variable capacitance diode, also known as a varicap or varactor diode, manufactured by Toshiba Semiconductor and Storage. These diodes are specifically designed to exhibit a variable capacitance that changes with the applied reverse voltage. This characteristic makes them useful in a variety of electronic tuning and frequency control applications.

Applications

• Voltage-Controlled Oscillators (VCOs): Used to adjust the oscillation frequency of VCOs in communication and instrumentation systems.
• Electronic Tuning Circuits: Employed in radio receivers, TV tuners, and other electronic tuning applications.
• Frequency Multipliers: Used in frequency multipliers to generate higher frequency signals from a lower frequency source.
• Phase-Locked Loops (PLLs): Integrated into PLL circuits for frequency synchronization and control.

Features

• Wide Capacitance Range: Offers a wide range of capacitance variation with changes in reverse voltage.
• Low Series Resistance: Exhibits low series resistance for efficient performance.
• High Tuning Ratio: Provides a high tuning ratio, allowing for a significant change in capacitance with a small change in voltage.
• Small Package: Compact package for space-constrained applications.

Benefits

• Precise Frequency Control: Allows for precise control of frequency in tuning and oscillation circuits.
• Improved Signal Quality: Low series resistance minimizes signal loss and distortion.
• Versatile Tuning: High tuning ratio enables a wide range of frequency adjustment.
• Compact Design: Small package allows for integration into miniaturized devices.

Technical Specifications (General - Based on typical Varicap Diodes)

While specific technical specifications for the 1SV228 are difficult to obtain without a detailed datasheet, typical Varicap diode parameters include:

• Reverse Voltage (Vr): The maximum reverse voltage that can be applied across the diode.
• Capacitance (C): The capacitance of the diode at a specified reverse voltage.
• Tuning Ratio (TR): The ratio of capacitance at a low reverse voltage to the capacitance at a high reverse voltage.
• Series Resistance (Rs): The resistance in series with the diode's capacitance.
• Operating Temperature Range: The temperature range in which the diode can operate reliably.

For precise specifications, it's essential to consult the official datasheet for the 1SV228 Varicap diode from Toshiba Semiconductor and Storage. This datasheet will provide detailed information on all electrical characteristics, thermal performance, and package dimensions.