Allicdata Part #: | 7B20000001-ND |
Manufacturer Part#: |
7B20000001 |
Price: | $ 0.37 |
Product Category: | Crystals, Oscillators, Resonators |
Manufacturer: | TXC Corporation |
Short Description: | CRYSTAL 20MHZ 18PF SMD |
More Detail: | 20MHz ±10ppm Crystal 18pF 4-SMD, No Lead |
DataSheet: | 7B20000001 Datasheet/PDF |
Quantity: | 1000 |
1000 +: | $ 0.34256 |
Series: | 7B |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Type: | MHz Crystal |
Frequency: | 20MHz |
Frequency Stability: | ±10ppm |
Frequency Tolerance: | ±10ppm |
Load Capacitance: | 18pF |
Operating Mode: | -- |
Operating Temperature: | -20°C ~ 75°C |
Ratings: | -- |
Mounting Type: | Surface Mount |
Package / Case: | 4-SMD, No Lead |
Size / Dimension: | 0.197" L x 0.126" W (5.00mm x 3.20mm) |
Height - Seated (Max): | 0.041" (1.05mm) |
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Crystals: 7B20000001 Application Field and Working Principle
Crystals are a type of solid material composed of atoms, ions or molecules that are arranged in an orderly, periodic arrangement. The type of crystal is identified according to its elemental arrangement and arrangement of its atoms or molecules in a structure called a lattice. The unit cell is the basic building block of the crystal lattice and is the repeating element in the crystal structure. The 7B20000001 crystal is one type of crystal and it has specific applications and working principles. This article will explore the field of application and working principle of 7B20000001 crystal.
Application Field
7B20000001 crystal is usually used as a varicap diode in electronic circuitry. A varicap diode is a two-terminal semiconductor device whose capacitance varies with the applied reverse-bias voltage. It operates similarly to a reverse-biased p-n junction diode, but its capacitance can be varied over a wide range. The key point of a varicap diode is its tunability, which can be used in a variety of applications in the radio-frequency (RF) electronics industry.
Typical applications of the 7B20000001 crystal in RF electronics include tuning, modulation, and frequency control. Varicap diodes are often used to tune transmitters, receivers, and frequency synthesizers. They can also be used in frequency multipliers and limiters. Furthermore, varicap diodes can be used to modulate signals for use in communication systems, such as in a frequency-shift keying modulator.
Working Principle
The 7B20000001 crystal is made from a compound of zinc oxide and boron. This compound has a unique property which is the ability to vary its capacitance when a voltage is applied across its terminals. In a varicap diode, the outer surface of the diode acts like a plate of a capacitor and the inner surface acts as a dielectric layer. When a voltage is applied to the terminals, the outer plate polarity changes resulting in an increased gap between the plates. The increased gap increases the capacitance of the diode. Conversely, decreasing the voltage across the terminals reduces the capacitance.
The 7B20000001 crystal is highly tunable and can be used to create a wide range of capacitances. The capacitance of the diode is proportional to the voltage applied to its terminals; thus, if the voltage is increased, the capacitance increases proportionally. By using a specific combination of voltages, it is possible to create a range of capacitance values, thus allowing the user to tune the diode to a specific frequency. Additionally, varicap diodes can also be used to modulate signals for communication system applications.
Conclusion
In conclusion, the 7B20000001 crystal is a type of crystal used in radio-frequency electronics for applications such as tuning, modulation and frequency control. It is made from a compound of zinc oxide and boron, which exhibits a unique capacitance-varying property when a voltage is applied across its terminals. The capacitance of the diode is proportional to the applied voltage, allowing the user to create a wide range of capacitances, thus providing a versatile tuning mechanism. Additionally, varicap diodes can also be used to modulate signals in communication systems.
The specific data is subject to PDF, and the above content is for reference
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