SMV1234-079LF Discrete Semiconductor Products

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Varicaps or varactors, also commonly known as variable capacitance diodes (VCDs), are found in a variety of applications ranging from frequency and phase tuning to modulation control and control in active filters. The SMV1234-079LF is a high-frequency varicap diode often used in tuners and narrow-band frequency control applications. This particular diode is suitable for operation in the frequency ranges of 21-24GHz and 26-34GHz, making it one of the most popular varicap diodes available.

The SMV1234-079LF is a miniaturized, three-pin leaded, SOD-323 package varicap diode. It has an operating temperature range of -65 to +125 degree Celsius, a reverse operating voltage of 6 to 10 volts, and a junction capacitance range of 0.2 to 0.4pF. The SMV1234-079LF is also noted for its low reverse leakage current, low collector-emitter capacitance and low insertion loss.

The working principle of the SMV1234-079LF is quite simple. When applied with a reverse operating voltage, the diode’s capacitance will change. This change is due to the increased or decreased electric field generated between the anode and cathode of the diode, which affects the distance between the two layers of the diode. The changed capacitance will then affect the electrical characteristics of the circuit, allowing the user to control the frequency or phase of the circuit.

The SMV1234-079LF has numerous applications in the high-frequency technology field. In particular, it is most often used in automatic frequency control (AFC) circuits, frequency synthesizers, voltage-controlled oscillators (VCOs) and narrow-band filters. It is also used in the tuning of RF channels in digital televisions and in the modulation of short-range radio devices.

Overall, the SMV1234-079LF varicap diode is a great choice for various high-frequency applications and is noted for its high performance and reliability. The diode’s working principle is also quite simple and is based on the idea that its capacitance will change with the change of voltage. This effect allows the user to control the frequency or phase of the circuit, ultimately making it a great addition to many high-frequency technology applications.

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