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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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. 703-2350
Mfr. Part No.ASE-16.000MHz-LC
BrandAbracon
$3.41
Each
units
Clock 16 MHz CMOS ±50ppm Surface Mount SMD 3.14 V 3.46 V - - -40 °C - 1mm +85 °C
RS Stock No. 703-2228
Mfr. Part No.ASFL1-32.000MHz-EK
BrandAbracon
$3.10
Each
units
Clock 32 MHz HCMOS, TTL ±30ppm Surface Mount SMD 2.97 V 3.63 V - - -20 °C - 1.3mm +70 °C
RS Stock No. 703-2357
Mfr. Part No.ASE-14.7456MHz-LC
BrandAbracon
$3.59
Each
units
Clock 14.7456 MHz CMOS ±50ppm Surface Mount SMD 3.14 V 3.46 V - - -40 °C - 1mm +85 °C
RS Stock No. 703-2133
Mfr. Part No.ASV-29.4912MHz-EJ
BrandAbracon
$3.647
Each (In a Bag of 10)
units
XO 29.4912 MHz HCMOS, TTL ±20ppm Surface Mount SMD 3 V 3.6 V - - -20 °C - 1.8mm +70 °C
RS Stock No. 171-0159
Mfr. Part No.AX7PBF3-312.5000C
BrandAbracon
$18.21
Each (On a Tape of 50)
units
XO 312.5 MHz LVPECL ±25ppm Surface Mount 6-SMD Compatible - 2.5 V - - - 40 °C - 1.9mm +85 °C
RS Stock No. 171-2355
Mfr. Part No.ASH7K-32.768KHZ-T
BrandAbracon
$3.092
Each (On a Reel of 3000)
units
XO 32.768 kHz CMOS -170 → +10ppm Surface Mount SMD 1.5 V 3.6 V - - -40 °C - 1mm +85 °C
RS Stock No. 171-0160
Mfr. Part No.AX7PBF3-200.0000C
BrandAbracon
$11.711
Each (On a Tape of 50)
units
XO 200 MHz LVPECL ±25ppm Surface Mount 6-SMD Compatible - 2.5 V - - - 40 °C - 1.9mm +85 °C
RS Stock No. 703-2449
Mfr. Part No.ASD3-50.000MHz-EC
BrandAbracon
$5.32
Each
units
Clock 50 MHz HCMOS ±50ppm Surface Mount SMD 1.71 V 1.89 V - - -20 °C - 0.8mm +70 °C
RS Stock No. 703-2091
Mfr. Part No.ASV-11.0592MHz-EJ
BrandAbracon
$2.90
Each (In a Bag of 10)
units
XO 11.0592 MHz HCMOS, TTL ±20ppm Surface Mount SMD 3 V 3.6 V - - -20 °C - 1.8mm +70 °C
RS Stock No. 171-0165
Mfr. Part No.AX7DBF1-150.0000C
BrandAbracon
$9.597
Each (On a Tape of 50)
units
XO - - - - - - - - - - - - -
RS Stock No. 171-2854
Mfr. Part No.ASFL1-50.000MHZ-EK-T
BrandAbracon
$2.54
Each (In a Pack of 5)
units
Clock 50 MHz HCMOS, TTL ±30ppm Surface Mount SMD 2.97 V 3.63 V - - -20 °C - 1.3mm +70 °C
RS Stock No. 171-2885
Mfr. Part No.ASH7K-32.768KHZ-T
BrandAbracon
$3.73
Each (In a Pack of 2)
units
XO 32.768 kHz CMOS -170 → +10ppm Surface Mount SMD 1.5 V 3.6 V - - -40 °C - 1mm +85 °C
RS Stock No. 171-0358
Mfr. Part No.AX7DAF1-100.0000C
BrandAbracon
$10.53
Each
units
XO 100 MHz LVDS ±25ppm Surface Mount 6-SMD Compatible - 3.3 V - - - 40 °C - 1.9mm +85 °C
RS Stock No. 703-2385
Mfr. Part No.ASE-30.000MHz-LC
BrandAbracon
$3.10
Each
units
Clock 30 MHz CMOS ±50ppm Surface Mount SMD 3.14 V 3.46 V - - -40 °C - 1mm +85 °C
RS Stock No. 171-2359
Mfr. Part No.ASV-50.000MHZ-EJ-T
BrandAbracon
$1.53
Each (On a Reel of 1000)
units
Clock 50 MHz HCMOS, TTL ±20ppm Surface Mount SMD 2.97 V 3.63 V - - -20 °C - 1.8mm +70 °C
RS Stock No. 171-0394
Mfr. Part No.AX7DBF1-150.0000C
BrandAbracon
$10.53
Each
units
XO 150 MHz LVDS ±25ppm Surface Mount 6-SMD Compatible - 2.5 V - - -40 °C - 1.9mm +85 °C
RS Stock No. 171-2319
Mfr. Part No.ASCO-8.000MHZ-EK-T3
BrandAbracon
$1.65
Each (On a Reel of 3000)
units
Clock 8 MHz CMOS ±30ppm Surface Mount SMD 2.97 V 3.63 V - - -20 °C - 0.6mm +70 °C
RS Stock No. 703-2161
Mfr. Part No.ASFL1-3.6864MHz-EK
BrandAbracon
$3.13
Each
units
Clock 3.6864 MHz HCMOS, TTL ±30ppm Surface Mount SMD 2.97 V 3.63 V - - -20 °C - 1.3mm +70 °C
RS Stock No. 171-0297
Mfr. Part No.AX7DAF3-100.0000C
BrandAbracon
$10.53
Each
units
XO 100 MHz LVDS ±25ppm Surface Mount 6-SMD Compatible - 3.3 V - - -40 °C - 1.9mm +85 °C
RS Stock No. 180-7706
Mfr. Part No.ASAKMPD5-32.768KHZ-T3
BrandAbracon
$5.018
Each (On a Reel of 3000)
units
XO 32.76 kHz CMOS ±15ppm Surface Mount SMD 1.6 V 3.63 V - - -40 °C - 0.6mm +85 °C