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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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. 671-9662
FabrikantnummerS73305-100.000-X-15
FabrikantAKER
€ 3,20
Each
Aantal stuks
Clock 100 MHz HCMOS ±50ppm Surface Mount SMD 2.97 V 3.63 V - - -40 °C - 1.3mm +85 °C
RS-stocknr. 173-4699
FabrikantnummerS73305-100.000-X-15
FabrikantAKER
€ 2,883
Each (On a Reel of 250)
Aantal stuks
XO 100 MHz HCMOS ±50ppm Surface Mount SMD 2.97 V 3.63 V - - -40 °C - 1.3mm +85 °C
RS-stocknr. 172-2553
FabrikantnummerLFSPXO019082 831019082
FabrikantIQD
€ 2,043
Each (In a Bag of 100)
Aantal stuks
XO 24 MHz HCMOS, TTL ±50ppm Surface Mount SMD 4.5 V 5.5 V - - 0 °C - 1.5mm +70 °C
RS-stocknr. 703-7103
FabrikantnummerAS-8.000-18-SMD
FabrikantRALTRON
€ 0,595
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. 478-8849
FabrikantnummerLFSPXO019082 831019082
FabrikantIQD
€ 3,03
Each
Aantal stuks
XO 24 MHz HCMOS, TTL ±50ppm Surface Mount SMD 4.5 V 5.5 V - - 0 °C - 1.5mm +70 °C
RS-stocknr. 121-3818
FabrikantnummerLFSPXO025560REEL
FabrikantIQD
€ 1,07
Each (In a Pack of 5)
Aantal stuks
- 50 MHz CMOS ±50ppm Surface Mount 2.5x3.2mm SMD - 3.3 V - - -40 °C - 1.2mm +85 °C
RS-stocknr. 173-4621
FabrikantnummerXO53050UITA-40.000
FabrikantEuroquartz
€ 1,239
Each (On a Reel of 1000)
Aantal stuks
XO 40 MHz HCMOS, LSTTL ±50ppm Surface Mount SMD - - - - -40 °C - 1mm +85 °C
RS-stocknr. 148-5356
FabrikantnummerLFSPXO018541 831018541
FabrikantIQD
€ 1,343
Each (In a Pack of 10)
Aantal stuks
Clock 24 MHz HCMOS ±50ppm Surface Mount SMD - 3.3 V - - 0 °C - 1.4mm +70 °C
RS-stocknr. 693-9238
FabrikantnummerXO53050UITA-40.000
FabrikantEuroquartz
€ 1,52
Each
Aantal stuks
XO 40 MHz HCMOS, LSTTL ±50ppm Surface Mount SMD - - - - -40 °C - 1mm +85 °C
RS-stocknr. 767-5301
Fabrikantnummer5H8ET-50.000
FabrikantMERCURY
€ 2,11
Each
Aantal stuks
Clock 50 MHz HCMOS, TTL ±50ppm Through Hole PDIP 4.75 V 5.25 V - - -40 °C - 5.08mm +85 °C
RS-stocknr. 146-3954
FabrikantnummerLFSPXO018036 831018036
FabrikantIQD
€ 0,883
Each (On a Reel of 1000)
Aantal stuks
Clock 10 MHz HCMOS ±50ppm Surface Mount SMD - 3.3 V - - 0 °C - 1.4mm +70 °C
RS-stocknr. 478-8760
FabrikantnummerLFSPXO018541 831018541
FabrikantIQD
€ 3,52
Each
Aantal stuks
XO 24 MHz HCMOS ±50ppm Surface Mount SMD 2.97 V 3.63 V - - 0 °C - 1.5mm +70 °C
RS-stocknr. 173-2593
FabrikantnummerQ3309CA40000401
FabrikantEpson
€ 2,017
Each (On a Reel of 250)
Aantal stuks
XO 20 MHz CMOS ±50ppm Surface Mount SMD 2.7 V 3.6 V - - -20 °C - 1.4mm +70 °C
RS-stocknr. 173-2507
FabrikantnummerQ33519E40000412
FabrikantEpson
€ 1,214
Each (On a Reel of 250)
Aantal stuks
XO 100 MHz CMOS ±50ppm Surface Mount SMD 2.7 V 3.6 V - - -40 °C - 1.05mm +85 °C
RS-stocknr. 478-5200
FabrikantnummerQ3309CA40000401
FabrikantEpson
€ 6,76
Each
Aantal stuks
XO 20 MHz CMOS ±50ppm Surface Mount SMD 2.7 V 3.6 V - - -20 °C - 1.4mm +70 °C
RS-stocknr. 667-6436
FabrikantnummerQ33519E40000412
FabrikantEpson
€ 4,28
Each
Aantal stuks
XO 100 MHz CMOS ±50ppm Surface Mount SMD 2.7 V 3.6 V - - -40 °C - 1.05mm +85 °C
RS-stocknr. 148-4355
FabrikantnummerLFSPXO018036 831018036
FabrikantIQD
€ 1,352
Each (In a Pack of 10)
Aantal stuks
Clock 10 MHz HCMOS ±50ppm Surface Mount SMD - 3.3 V - - 0 °C - 1.4mm +70 °C
RS-stocknr. 146-3981
FabrikantnummerLFSPXO018541 831018541
FabrikantIQD
€ 0,691
Each (On a Reel of 1000)
Aantal stuks
Clock 24 MHz HCMOS ±50ppm Surface Mount SMD - 3.3 V - - 0 °C - 1.4mm +70 °C
RS-stocknr. 153-3667
FabrikantnummerLFSPXO018034 831018034
FabrikantIQD
€ 1,441
Each (In a Pack of 10)
Aantal stuks
- - - - - - - - - - - - - -
RS-stocknr. 146-3967
FabrikantnummerLFSPXO025494 831025494
FabrikantIQD
€ 0,844
Each (On a Reel of 1000)
Aantal stuks
Clock 16 MHz CMOS ±50ppm Surface Mount SMD - 3.3 V - - -40 °C - 1.2mm +85 °C
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