Crystal Oscillators

A crystal oscillator is a electromechanical device, it's also an electronic oscillator circuit. The main purpose of an oscillator is to make use of a quartz crystal as a frequency. Crystal oscillators use the mechanical resonance of a vibrating crystal, of which is made up from a piezoelectric material. This process allows the oscillator to create and obtain an electric signal with a high precision frequency.

Where Crystal Oscillators are used

This type of frequency is mostly used to keep track of time within a wrist watch or a digital integrated circuit, to provide a stable clock signal. This is where this signal gained it's commonly referred to name "clock signal". This clock signal is used to synchronise the operation of the other electronic devices that make up the system the oscillator is housed in. An oscillator is also used to help stabilise frequencies for radio transmitters and receivers, used in clocks (clock oscillator), computers and cell phones. Quartz crystal can also be found inside test and measurement equipment such as counters, signal generators and oscilloscopes.

A little more information on Crystal Oscillators

  • Crystal oscillators are known to be superior to ceramic resonators, this is for a multitude of reasons. They offer higher stability, they're higher quality and are considerably lower in cost and more compact in size.
  • Quartz crystals are manufactured for frequencies that range from a few tens of kilohertz all the way up to hundreds of megahertz.

Types of Crystal Oscillators

  • TCXO - These are used when a temperature stability is needed and can't be attained through a standard crystal oscillator (XO) or a voltage controlled crystal oscillator (VCXO).
  • OCXO - This is an oven controlled crystal oscillator, a type of oscillator that achieves the highest frequency stability that a quartz crystal can. They are designed to operate inside a temperature controlled oven, they are physically larger and require more power to run.
  • VCXO - This is a voltage controlled crystal oscillator, it controls the change in crystal output by using a DC (direct current) voltage.

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Beskrivning Pris Oscillator Type Output Frequency Output Level Frequency Stability Mounting Type Package Type Minimum Operating Supply Voltage Maximum Operating Supply Voltage Pin Count Length Minimum Operating Temperature Width Height Maximum Operating Temperature
RS-artikelnummer 153-3667
Tillv. art.nrLFSPXO018034 831018034
VarumärkeIQD
14,90 kr
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- - - - - - - - - - - - - -
RS-artikelnummer 146-3948
Tillv. art.nrLFSPXO018034 831018034
VarumärkeIQD
8,411 kr
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Clock 16 MHz HCMOS, TTL ±50ppm Surface Mount SMD - 5 V - - 0 °C - 1.4mm +70 °C
RS-artikelnummer 173-2502
Tillv. art.nrQ3102JC01000111
VarumärkeEpson
16,399 kr
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XO 32.768 kHz CMOS ±50ppm Surface Mount SMD 1.5 V 5.5 V - - -40 °C - 2.65mm +85 °C
RS-artikelnummer 667-6280
Tillv. art.nrQ3102JC01000111
VarumärkeEpson
31,23 kr
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XO 32.768 kHz CMOS ±50ppm Surface Mount SMD 1.5 V 5.5 V - - -40 °C - 2.65mm +85 °C
RS-artikelnummer 478-5064
Tillv. art.nrQ3102JF01000112
VarumärkeEpson
54,70 kr
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XO 32.768 kHz CMOS - Surface Mount JF 1.5 V 5.5 V - - -40 °C - 1.5mm +85 °C
RS-artikelnummer 173-2396
Tillv. art.nrX1G004451001412
VarumärkeEPSON
11,159 kr
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XO 32 MHz CMOS - Surface Mount - 1.6 V 3.6 V - - - - 1.1mm -
RS-artikelnummer 478-8580
Tillv. art.nrLFSPXO018032 831018032
VarumärkeIQD
35,16 kr
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XO 20 MHz HCMOS, TTL ±50ppm Surface Mount SMD 4.5 V 5.5 V - - 0 °C - 1.5mm +70 °C
RS-artikelnummer 672-0163
Tillv. art.nrS533025-32.768K-X-15
VarumärkeAKER
26,35 kr
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Clock 32.768 kHz HCMOS ±25ppm Surface Mount SMD 3.14 V 3.46 V - - -40 °C - 1.3mm +85 °C
RS-artikelnummer 173-4705
Tillv. art.nrS533025-32.768K-X-15
VarumärkeAKER
26,796 kr
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XO 32.768 kHz HCMOS ±25ppm Surface Mount SMD 3.14 V 3.46 V - - -40 °C - 1.3mm +85 °C
RS-artikelnummer 904-7758
Tillv. art.nrX1G004451001412
VarumärkeEPSON
18,51 kr
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XO 32 MHz CMOS - Surface Mount - 1.6 V 3.6 V - - - - 1.1mm -
RS-artikelnummer 173-2510
Tillv. art.nrQ3102JF01000112
VarumärkeEpson
22,103 kr
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XO 32.768 kHz CMOS - Surface Mount JF 1.5 V 5.5 V - - -40 °C - 1.5mm +85 °C
RS-artikelnummer 707-9725
Tillv. art.nrCOM2305-32.000-EXT
VarumärkeRALTRON
29,99 kr
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XO 32 MHz HCMOS ±50ppm Surface Mount SMD 3 V 3.6 V - - -40 °C - 1mm +85 °C
RS-artikelnummer 815-0572
Tillv. art.nrQTX333A16.0000B15TR
VarumärkeQT Quarztechnik
20,06 kr
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Clock 16 MHz HCMOS, TTL ±25ppm Surface Mount SMD - 3.3 V - - -40 °C - 1.2mm +85 °C
RS-artikelnummer 827-4782
Tillv. art.nrX1G004171004712
VarumärkeEpson
9,31 kr
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XO 50 MHz CMOS - Surface Mount SMD 1.6 V 3.6 V - - -40 °C - 0.8mm +105 °C
RS-artikelnummer 173-2347
Tillv. art.nrX1G004171004712
VarumärkeEpson
9,141 kr
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XO 50 MHz CMOS - Surface Mount SMD 1.6 V 3.6 V - - -40 °C - 0.8mm +105 °C
RS-artikelnummer 173-2606
Tillv. art.nrQ3851CA00000712
VarumärkeEpson
31,454 kr
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XO 125 MHz CMOS ±100ppm Surface Mount SMD 3 V 3.6 V - - -10 °C - 1.2mm +70 °C
RS-artikelnummer 667-6684
Tillv. art.nrQ3851CA00000712
VarumärkeEpson
25,44 kr
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XO 125 MHz CMOS ±100ppm Surface Mount SMD 3 V 3.6 V - - -10 °C - 1.2mm +70 °C
RS-artikelnummer 173-4698
Tillv. art.nrOV-7604-C7-STD-020
VarumärkeMicro Crystal
35,473 kr
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XO 32.768 kHz HCMOS ±20ppm Surface Mount SMD 1.2 V 5.5 V - - -40 °C - 1mm +85 °C
RS-artikelnummer 173-2585
Tillv. art.nrQ3309CA40021900
VarumärkeEpson
33,754 kr
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XO 100 MHz CMOS ±50ppm Surface Mount SMD 2.7 V 3.3 V - - -20 °C - 1.4mm +70 °C
RS-artikelnummer 146-3983
Tillv. art.nrLFSPXO018077 831018077
VarumärkeIQD
7,701 kr
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Clock 25 MHz HCMOS ±50ppm Surface Mount SMD - 3.3 V - - 0 °C - 1.4mm +70 °C
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