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 oscillator’s 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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Omschrijving Prijs 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-stocknr. 173-2544
FabrikantnummerQ3306JA21014001
FabrikantEpson
2,831 €
Each (On a Reel of 250)
Aantal stuks
XO 32 MHz CMOS ±50ppm Surface Mount SMD 4.5 V 5.5 V - - -20 °C - 4.45mm +70 °C
RS-stocknr. 478-6269
FabrikantnummerQ3306JA21014001
FabrikantEpson
7,55 €
Each
Aantal stuks
XO 32 MHz CMOS ±50ppm Surface Mount SMD 4.5 V 5.5 V - - -20 °C - 4.45mm +70 °C
RS-stocknr. 703-7129
FabrikantnummerAS-16.000-18-SMD
FabrikantRALTRON
0,599 €
Each (In a Bag of 10)
Aantal stuks
- - - ±50ppm Surface Mount HC-49-US SMD - - 2 12mm -20 °C 4.8mm 4.6mm +70 °C
RS-stocknr. 146-3974
FabrikantnummerLFSPXO009686
FabrikantIQD
1.107,40 €
1 Reel of 1000
Reel(s)
Clock 32.768 kHz CMOS ±50ppm Surface Mount SMD - 3.3 V - - -40 °C - 0.95mm +85 °C
RS-stocknr. 148-4313
FabrikantnummerLFSPXO009686
FabrikantIQD
1,598 €
Each (In a Pack of 5)
Aantal stuks
Clock 32.768 kHz CMOS ±50ppm Surface Mount SMD - 3.3 V - - -40 °C - 0.95mm +85 °C
RS-stocknr. 671-5758
FabrikantnummerLFSPXO009686
FabrikantIQD
1,70 €
Each
Aantal stuks
XO 32.768 MHz CMOS ±50ppm Surface Mount SMD 3.135 V 3.465 V - - 0 °C - 0.95mm +70 °C
RS-stocknr. 667-6329
FabrikantnummerQ33310F70001711
FabrikantEpson
3,65 €
Each
Aantal stuks
XO 20 MHz CMOS ±100ppm Surface Mount SMD 2.7 V 3.6 V - - -40 °C - 1.05mm +85 °C
RS-stocknr. 173-2421
FabrikantnummerQ33310F70001711
FabrikantEpson
1,271 €
Each (On a Reel of 250)
Aantal stuks
XO 20 MHz CMOS ±100ppm Surface Mount SMD 2.7 V 3.6 V - - -40 °C - 1.05mm +85 °C
RS-stocknr. 173-4584
FabrikantnummerXO91050UITA-10.000
FabrikantEuroquartz
1,814 €
Each (On a Reel of 1000)
Aantal stuks
XO 10 MHz HCMOS, LSTTL ±50ppm Surface Mount SMD 3.135 V 3.465 V - - -40 °C - 1.4mm +85 °C
RS-stocknr. 813-6194
FabrikantnummerQX733A8.000000B15R
FabrikantQANTEK
1,29 €
Each
Aantal stuks
Clock 8 MHz HCMOS ±25ppm Surface Mount SMD - 3.3 V - - -40 °C - 1.4mm +85 °C
RS-stocknr. 173-4577
FabrikantnummerQX733A8.000000B15R
FabrikantQANTEK
1,163 €
Each (On a Reel of 1000)
Aantal stuks
Clock 8 MHz HCMOS ±25ppm Surface Mount SMD - 3.3 V - - -40 °C - 1.4mm +85 °C
RS-stocknr. 693-9159
FabrikantnummerXO91050UITA-10.000
FabrikantEuroquartz
2,76 €
Each
Aantal stuks
XO 10 MHz HCMOS, LSTTL ±50ppm Surface Mount SMD 3.135 V 3.465 V - - -40 °C - 1.4mm +85 °C
RS-stocknr. 148-4318
FabrikantnummerLFSPXO018044 831018044
FabrikantIQD
1,352 €
Each (In a Pack of 10)
Aantal stuks
Clock 50 MHz HCMOS ±50ppm Surface Mount SMD - 3.3 V - - 0 °C - 1.4mm +70 °C
RS-stocknr. 671-5701
FabrikantnummerLFSPXO025492 831025492
FabrikantIQD
1,84 €
Each
Aantal stuks
XO 12 MHz HCMOS ±50ppm Surface Mount SMD 2.97 V 3.63 V - - -40 °C - 1.1mm +85 °C
RS-stocknr. 146-3983
FabrikantnummerLFSPXO018077 831018077
FabrikantIQD
744,80 €
1 Reel of 1000
Reel(s)
Clock 25 MHz HCMOS ±50ppm Surface Mount SMD - 3.3 V - - 0 °C - 1.4mm +70 °C
RS-stocknr. 146-3980
FabrikantnummerLFSPXO025492 831025492
FabrikantIQD
833,00 €
1 Reel of 1000
Reel(s)
Clock 12 MHz CMOS ±50ppm Surface Mount SMD - 3.3 V - - -40 °C - 1.2mm +85 °C
RS-stocknr. 148-5342
FabrikantnummerLFSPXO025492 831025492
FabrikantIQD
1,382 €
Each (In a Pack of 10)
Aantal stuks
Clock 12 MHz CMOS ±50ppm Surface Mount SMD - 3.3 V - - -40 °C - 1.2mm +85 °C
RS-stocknr. 478-5086
FabrikantnummerQ3309CA40021900
FabrikantEpson
6,83 €
Each
Aantal stuks
XO 100 MHz CMOS ±50ppm Surface Mount SMD 2.7 V 3.3 V - - -20 °C - 1.4mm +70 °C
RS-stocknr. 146-3919
FabrikantnummerLFSPXO018044 831018044
FabrikantIQD
744,80 €
1 Reel of 1000
Reel(s)
Clock 50 MHz HCMOS ±50ppm Surface Mount SMD - 3.3 V - - 0 °C - 1.4mm +70 °C
RS-stocknr. 148-5637
FabrikantnummerLFSPXO018077 831018077
FabrikantIQD
1,352 €
Each (In a Pack of 10)
Aantal stuks
Clock 25 MHz HCMOS ±50ppm Surface Mount SMD - 3.3 V - - 0 °C - 1.4mm +70 °C
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