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Company News

LTUC455KHx

[2019-03-11 12:50:02]

After 15 years of analysis, testing, and perfect solution to the problem of process failure of group delay products, the company has cleared the way for mass production. Read More

ZTB500Y

[2019-03-11 12:53:12]

ZTB500Y Customer recognition Read More

Ring Shape and PZT Material piezo multilayer actuator Linear control

[2018-07-03 12:52:26]

www.hansejohn.com Read More

VCXO Application Notes VCXO is a voltage controlled crystal oscillator in which the output frequency can be adjusted by varying the external control voltage across a variable capacitor (varactor diode) within the oscillator circuit. The associated change in frequency due to the change in control ... Read More

Crystal Oscillator Application Notes

[2018-04-12 14:00:29]

Crystal Oscillator Application Notes Crystal oscillator is the most common type of oscillator used and has applications in virtually every aspect of the electronics industry. The crystal oscillator is used to establish a reference frequency used for timing purpose. Crystal oscillator typically ... Read More

Crystal Oscillator Definitions

[2018-04-12 13:58:33]

Crystal Oscillator Definitions Nominal Frequency The center or nominal output of a crystal oscillator. Frequency Tolerance The deviation from the nominal frequency in terms of parts per millions (PPM) at room temperature. ( 25℃±5℃) Frequency Range The frequency range that the oscillator type or ... Read More

Crystal Unit Application Notes

[2018-04-12 13:54:59]

Crystal Unit Application Notes This application note describes the selection of a crystal used with any type of micro-controller that accepts a parallel mode, AT or BT cut crystal, fundamental or third-overtone mode. Circuit Description Most chips include an inverter design with a positive feedback ... Read More

Crystal Unit Definitions

[2018-04-12 13:53:48]

Crystal Unit Definitions Crystal Unit A case housing a thin piece of quartz crystal (silicon dioxide) or crystal strip with vacuum-evaporated metal electrode and terminals for connections. It is widely used as passive electronic component for mobile phones, wireless devices, telecommunication ... Read More

Characteristics of Crystal

[2018-04-12 13:51:18]

Characteristics of Crystal Piezoelectric effect of Quartz Crystal The quartz crystal has a character when the pressure is applied to the direction of the crystal axis, the electric change generates on the quartz crystal plate, and on the contrary, when the electricity is applied to the quartz ... Read More

陶瓷濾波器的參數與術語

[2014-07-28 09:37:36]

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