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. 767-5257
Mfr. Part No.5H14ET-8.000
BrandMERCURY
SGD3.83
Each
units
Clock 8MHz HCMOS, TTL ±50ppm Through Hole PDIP - - - - -40°C - 5.08mm 85°C
RS Stock No. 767-5263
Mfr. Part No.5H14ET-11.0592
BrandMERCURY
SGD3.65
Each
units
Clock 11.0592MHz HCMOS, TTL ±50ppm Through Hole PDIP - - - - -40°C - 5.08mm 85°C
RS Stock No. 767-5333
Mfr. Part No.5H8ET-8.000
BrandMERCURY
SGD3.76
Each
units
Clock 8MHz HCMOS, TTL ±50ppm Through Hole PDIP - - - - -40°C - 5.08mm 85°C
RS Stock No. 767-5285
Mfr. Part No.5H14ET-30.000
BrandMERCURY
SGD3.71
Each
units
Clock 30MHz HCMOS, TTL ±50ppm Through Hole PDIP - - - - -40°C - 5.08mm 85°C
RS Stock No. 767-5279
Mfr. Part No.5H14ET-20.000
BrandMERCURY
SGD4.00
Each
units
Clock 20MHz HCMOS, TTL ±50ppm Through Hole PDIP - - - - -40°C - 5.08mm 85°C
RS Stock No. 672-0599
Mfr. Part No.3H53ET-8.000
BrandMERCURY
SGD3.31
Each
units
Clock 8MHz HCMOS ±50ppm Surface Mount SMD - - - - -40°C - 1.2mm 85°C
RS Stock No. 672-0700
Mfr. Part No.3HM57ET-10.000R-C1.5
BrandMERCURY
SGD19.19
Each
units
Clock 10MHz CMOS ±50ppm Surface Mount SMD - - - - -40°C - 1.8mm 85°C
RS Stock No. 767-5339
Mfr. Part No.5H8ET-14.7456
BrandMERCURY
SGD3.47
Each
units
Clock 14.7456MHz HCMOS, TTL ±50ppm Through Hole PDIP - - - - -40°C - 5.08mm 85°C
RS Stock No. 767-5291
Mfr. Part No.5H14ET-50.000
BrandMERCURY
SGD4.38
Each
units
Clock 50MHz HCMOS, TTL ±50ppm Through Hole PDIP - - - - -40°C - 5.08mm 85°C
RS Stock No. 767-5298
Mfr. Part No.5H14ET-4.9152
BrandMERCURY
SGD3.71
Each
units
Clock 4.9152MHz HCMOS, TTL ±50ppm Through Hole PDIP - - - - -40°C - 5.08mm 85°C
RS Stock No. 672-0703
Mfr. Part No.3HM57ET-12.000R-C1.5
BrandMERCURY
SGD16.54
Each
units
Clock 12MHz CMOS ±50ppm Surface Mount SMD - - - - -40°C - 1.8mm 85°C
RS Stock No. 767-5244
Mfr. Part No.5H14ET-4.000
BrandMERCURY
SGD3.84
Each
units
Clock 4MHz HCMOS, TTL ±50ppm Through Hole PDIP - - - - -40°C - 5.08mm 85°C
RS Stock No. 672-0612
Mfr. Part No.3H53ET-20.000
BrandMERCURY
SGD3.71
Each
units
Clock 20MHz HCMOS ±50ppm Surface Mount SMD - - - - -40°C - 1.2mm 85°C
RS Stock No. 767-5323
Mfr. Part No.5H8ET-60.000
BrandMERCURY
SGD7.02
Each
units
Clock 60MHz HCMOS, TTL ±50ppm Through Hole PDIP - - - - -40°C - 5.08mm 85°C
RS Stock No. 767-5308
Mfr. Part No.5H14ET-66.000
BrandMERCURY
SGD4.61
Each
units
Clock 66MHz HCMOS, TTL ±50ppm Through Hole PDIP - - - - -40°C - 5.08mm 85°C
RS Stock No. 672-0662
Mfr. Part No.3H32ET-24.000
BrandMERCURY
SGD4.21
Each
units
Clock 24MHz HCMOS ±50ppm Surface Mount SMD - - - - -40°C - 1mm 85°C
RS Stock No. 767-5282
Mfr. Part No.5H14ET-40.000
BrandMERCURY
SGD3.88
Each
units
Clock 40MHz HCMOS, TTL ±50ppm Through Hole PDIP - - - - -40°C - 5.08mm 85°C
RS Stock No. 767-5311
Mfr. Part No.5H8ET-4.000
BrandMERCURY
SGD3.89
Each
units
Clock 4MHz HCMOS, TTL ±50ppm Through Hole PDIP - - - - -40°C - 5.08mm 85°C
RS Stock No. 767-5294
Mfr. Part No.5H14ET-12.000
BrandMERCURY
SGD3.71
Each
units
Clock 12MHz HCMOS, TTL ±50ppm Through Hole PDIP - - - - -40°C - 5.08mm 85°C
RS Stock No. 767-5327
Mfr. Part No.5H8ET-20.000
BrandMERCURY
SGD3.96
Each
units
Clock 20MHz HCMOS, TTL ±50ppm Through Hole PDIP - - - - -40°C - 5.08mm 85°C