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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Description Price 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 Stock No. 171-0163
Mfr. Part No.AX7DBF1-312.5000C
BrandAbracon
PHP510.298
Each (On a Tape of 50)
units
XO 312.5MHz LVDS ±25ppm Surface Mount 6-SMD Compatible - - - - -40°C - 1.9mm 85°C
RS Stock No. 171-0167
Mfr. Part No.AX7DBF3-156.2500C
BrandAbracon
PHP320.974
Each (On a Tape of 50)
units
XO 156.25MHz LVDS ±25ppm Surface Mount 6-SMD Compatible - - - - -40°C - 1.9mm 85°C
RS Stock No. 171-2339
Mfr. Part No.ASE-50.000MHZ-LC-T
BrandAbracon
PHP49.718
Each (On a Reel of 1000)
units
XO 50MHz CMOS ±50ppm Surface Mount SMD - - - - -40°C - 1.2mm 85°C
RS Stock No. 703-2091
Mfr. Part No.ASV-11.0592MHz-EJ
BrandAbracon
PHP109.024
Each (In a Bag of 10)
units
XO 11.0592MHz HCMOS, TTL ±20ppm Surface Mount SMD - - - - -20°C - 1.8mm 70°C
RS Stock No. 171-0356
Mfr. Part No.AX7DAF1-106.2500C
BrandAbracon
PHP352.29
Each
units
XO 106.25MHz LVDS ±25ppm Surface Mount 6-SMD Compatible - - - - -40°C - 1.9mm 85°C
RS Stock No. 171-2819
Mfr. Part No.ASE-50.000MHZ-LR-T
BrandAbracon
PHP107.37
Each (In a Pack of 2)
units
XO 50MHz CMOS ±25ppm Surface Mount SMD - - - - -40°C - 1.2mm 85°C
RS Stock No. 703-2237
Mfr. Part No.ASFL1-48.000MHz-EK
BrandAbracon
PHP98.05
Each
units
Clock 48MHz HCMOS, TTL ±30ppm Surface Mount SMD - - - - -20°C - 1.3mm 70°C
RS Stock No. 171-0168
Mfr. Part No.AX7DBF3-100.0000C
BrandAbracon
PHP320.974
Each (On a Tape of 50)
units
XO 100MHz LVDS ±25ppm Surface Mount 6-SMD Compatible - - - - -40°C - 1.9mm 85°C
RS Stock No. 171-2862
Mfr. Part No.ASCO-8.000MHZ-EK-T3
BrandAbracon
PHP92.29
Each (In a Pack of 2)
units
Clock 8MHz CMOS ±30ppm Surface Mount SMD - - - - -20°C - 0.6mm 70°C
RS Stock No. 171-0384
Mfr. Part No.AX7PBF3-156.2500C
BrandAbracon
PHP352.29
Each
units
XO 156.25MHz LVPECL ±25ppm Surface Mount 6-SMD Compatible - - - - -40°C - 1.9mm 85°C
RS Stock No. 171-2698
Mfr. Part No.ASEK2-32.768KHZ-LRT
BrandAbracon
PHP164.225
Each (In a Pack of 2)
units
XO 32.768kHz CMOS ±25ppm Surface Mount SMD - - - - -40°C - 1.2mm 85°C
RS Stock No. 180-7705
Mfr. Part No.ASAKMPD1-32.768KHZ-T3
BrandAbracon
PHP111.925
Each (On a Reel of 3000)
units
XO 32.76kHz CMOS ±10ppm Surface Mount SMD - - - - -40°C - 0.6mm 85°C
RS Stock No. 703-2174
Mfr. Part No.ASFL1-11.0592MHz-EK
BrandAbracon
PHP190.22
Each
units
Clock 11.0592MHz HCMOS, TTL ±30ppm Surface Mount SMD - - - - -20°C - 1.3mm 70°C
RS Stock No. 171-0172
Mfr. Part No.AX7DAF1-312.5000C
BrandAbracon
PHP510.298
Each (On a Tape of 50)
units
XO 312.5MHz LVDS ±25ppm Surface Mount 6-SMD Compatible - - - - -40°C - 1.9mm 85°C
RS Stock No. 180-7711
Mfr. Part No.ASAKMPD5-32.768KHZ-T3
BrandAbracon
PHP194.858
Each (On a Reel of 100)
units
XO 32.76kHz CMOS ±15ppm Surface Mount SMD - - - - -40°C - 0.6mm 85°C
RS Stock No. 171-2852
Mfr. Part No.ASE-8.000MHZ-LC-T
BrandAbracon
PHP66.572
Each (In a Pack of 5)
units
XO 8MHz CMOS ±50ppm Surface Mount SMD - - - - -40°C - 1.2mm 85°C
RS Stock No. 171-2358
Mfr. Part No.ASV-25.000MHZ-EJ-T
BrandAbracon
PHP54.08
Each (On a Reel of 1000)
units
Clock 25MHz HCMOS, TTL ±20ppm Surface Mount SMD - - - - -20°C - 1.8mm 70°C
RS Stock No. 171-2335
Mfr. Part No.ASE-25.000MHZ-LC-T
BrandAbracon
PHP49.718
Each (On a Reel of 1000)
units
XO 25MHz CMOS ±50ppm Surface Mount SMD - - - - -40°C - 1.2mm 85°C
RS Stock No. 171-2359
Mfr. Part No.ASV-50.000MHZ-EJ-T
BrandAbracon
PHP52.50
Each (On a Reel of 1000)
units
Clock 50MHz HCMOS, TTL ±20ppm Surface Mount SMD - - - - -20°C - 1.8mm 70°C
RS Stock No. 703-2442
Mfr. Part No.ASD3-25.000MHz-EC
BrandAbracon
PHP274.21
Each
units
Clock 25MHz HCMOS ±50ppm Surface Mount SMD - - - - -20°C - 0.8mm 70°C