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Copyright © 1996 - 2011
Vanlong Technology Co., Ltd.

   Welcome to Vanlong Technology Online


Vanlong Technology Co.,Ltd., (VTC), offers popular Frequency Control and RF products manufactured by well known China manufactures. We have serviced overseas customers successfully since 1994. We welcome your inquiries.

Through VTC, you will be informed of well rounded product offerings such as leading edge Chinese Frequency Control and RF products. These offerings include Quartz Crystals, Oscillators, Saw Resonators and Filters along with a wide variety of related Ceramic products. We are committed to high quality and respectful service .




New Surface Mount SAW Filters

The ultra miniature Surface Acoustic Wave (SAW) filters in ceramic surface mount package are available now, which take advantage of low-loss, compact, economical, and simple external impedance matching, frequency from 300MHz to 900MHz, typical applications are wireless remote control and security, data telemetry, and meter reading system.

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High Precision OCXOs

Oven Controlled Crystal Oscillators (OCXOs) offer excellent temperature stability, frequency aging, fast warm-up and better phase noise specification than TCXO and other crystal oscillators.

VTC offers several standard OCXOs which provide good temperature stability, in compact packages and take advantage of mass production to offer highly competitive pricing.

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High Precision TCXOs and VC-TCXOs

Temperature Compensated Crystal Oscillators (TCXOs) and Voltage Controlled TCXOs are essentially crystal oscillators which are tuned over temperature by a network in such a manner as to compensate for the natural temperature drift of the uncompensated crystal oscillators.

VTC offers several standard TCXOs and VC-TCXOs which provide good temperature stability in compact packages and take advantage of mass production to offer highly competitive pricing.

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Ceramic Surface Mount Crystals

VTC offers several ceramic surface mount crystals incorporate a sub-miniature AT-cut strip crystal resonator housed in the ultra miniature ceramic package. These compact crystals are ideal for Surface Mount Technology (SMT), densely populated PCB applications.

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