A crystal oscillator is an electronic
oscillator circuit that draws on the mechanical resonance of a
vibrating crystal of piezoelectric material. Crystal oscillator is the
best option, in case you are looking forward to generate an electrical
signal with a specific frequency.It is relatively important that as a X-TAL
you choose among the suppliers that best suits your needs. This type of
frequency is basically required for maintaining track of time. It is
used in digital integrated circuits to get constant clock signals and
to stabilize frequencies in radio transmitters and receivers. The
quartz crystal is most commonly used piezoelectric resonator which is
why the oscillator circuits designed using quartz crystal are known as
crystal oscillators.Few of these results may direct you to wholesale crystal resonator
and others to useless websites that basically will not give you help at
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There
are several factors that can affect the resonant frequency of a quartz
crystal including environmental changes such as temperature, pressure,
humidity, etc. However, there are certain designs that have the minimum
effect of environmental changes on them. Some of these designs comprise
of TCXO, VCXO and OCXO. In this article, I am giving some brief
introduction on TCXOs which can help you to understand this design
better.
Temperature compensated crystal oscillator is often
referred to as TCXOs. It features tremendous temperature characteristic
with low power consumption and speedy heat up. That's why it is
considered to be highly temperature-stable device at a given
temperature. Moreover, there are certain models of TCXOs available in
the market that allows and facilitates the user to adjust the frequency
through external control voltage.
The basic importance of TCXO
is that it can deliver tremendous temperature stability within a
compact, light-weight and low power device. There are several
applications for which TCXO is an ideal design such as
telecommunication equipment including mobile telephone, microwaves,
satellite communication technologies, etc.
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