Oscillators

Oscillators are a type of circuit that produces output without using an AC input signal. The repetitive discharges of signals are managed by oscillators. These signals are found in devices that have a continuous measured motion, like the pendulum of a Grandfather Clock. Computers also need oscillators, especially when performing computing tasks, which counts clock speed as an important feature. The clock speed’s frequency, which is expressed in gigahertz or megahertz, is set by oscillators.

There are two main types of oscillators:

  1. Harmonic
  2. Relaxation

Harmonic Oscillators

Also called linear oscillators and sinusoidal oscillators, harmonic oscillators discharge signals that have simple sine waveforms. These signals decrease and increase at specified times. The energy flows from the active components then to the passive components.

There are two categories of harmonic oscillators, namely:

  1. Resistor capacitor or RC circuit
  2. Inductor capacitor or LC circuit

RC circuits are intended for lower frequency signals while LC circuits are best suited for higher frequencies.

Crystal oscillators are also harmonic oscillators, the ones that generate stabilized signals by using quartz crystals. The most popular example of a crystal oscillator is the piezoelectric oscillator.

Likewise, there are harmonic oscillators that utilize negative-resistance. These are called negative-resistance oscillators. A good example is tuned diode oscillator.

Relaxation Oscillators

Alternatively called non-sinusoidal oscillators, relaxation oscillators exchange energy between active and passive components, but the oscillation frequency is dependent on the discharging and charging time-constants. It generates non-sinusoidal outputs of varying types. Common examples are sawtooth signals and rectangular or square waves.

Relaxation oscillators’ output frequencies range from 0 Hz to 20MHz as compared to harmonic oscillators’ 20Hz to 1 GHz.

Common Oscillator Applications

Oscillators are used for different applications and purposes, including the following:

  • For quartz wristwatches
  • In different communication, TV, and radio devices
  • In various types of video and audio systems
  • In buzzers and alarms
  • In metal detectors, computers, RF and ultrasonic applications, inverters, and stun guns
  • For dancing lights and other decorative lights

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Parts from Oscillators Category

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ASEMCC1-ZR from Abracon
Abracon

PIN CONFIG, MEMS, 3.2MM X 2.5MM, CMOS; Configurable Frequency Min:24MHz; Configurable Frequency Max:148.5MHz; Frequency Stability + / -:25ppm; Oscillator Case:SMD, 3.2mm x 2.5mm; Product Range:ASEMCC Series; Supply Voltage Min:2.25V RoHS Compliant: Yes

ASEMCC2-ZR from Abracon
Abracon

PIN CONFIG, MEMS, 3.2MM X 2.5MM, CMOS; Configurable Frequency Min:106.25MHz; Configurable Frequency Max:156.25MHz; Frequency Stability + / -:25ppm; Oscillator Case:SMD, 3.2mm x 2.5mm; Product Range:ASEMCC Series; Frequency Max:100MHzRoHS Compliant: Yes

ASEMCC3-ZR from Abracon
Abracon

PIN CONFIG, MEMS, 3.2MM X 2.5MM, CMOS; Configurable Frequency Min:25MHz; Configurable Frequency Max:150MHz; Frequency Stability + / -:25ppm; Oscillator Case:SMD, 3.2mm x 2.5mm; Product Range:ASEMCC Series; Supply Voltage Min:2.25V RoHS Compliant: Yes

ASEMCHC from Abracon
Abracon

PIN CONFIG, MEMS, 3.2MM X 2.5MM, CMOS; Configurable Frequency Min:100MHz; Configurable Frequency Max:156.25MHz; Frequency Stability + / -:50ppm; Oscillator Case:SMD, 3.2mm x 2.5mm; Product Range:ASEMCHC Series; Frequency Max:460MHz RoHS Compliant: Yes

ASEMCLP-LR from Abracon
Abracon

PIN CONFIG, MEMS, 3.2MM X 2.5MM, CMOS; Configurable Frequency Min:106.25MHz; Configurable Frequency Max:212.5MHz; Frequency Stability + / -:25ppm; Oscillator Case:SMD, 3.2mm x 2.5mm; Product Range:ASEMCLP Series; Frequency Max:460MHzRoHS Compliant: Yes

ASEMCLV from Abracon
Abracon

PIN CONFIG, MEMS, 3.2MM X 2.5MM, CMOS; Configurable Frequency Min:74.17582MHz; Configurable Frequency Max:1488.5MHz; Frequency Stability + / -:50ppm; Oscillator Case:SMD, 3.2mm x 2.5mm; Product Range:ASEMCLV Series RoHS Compliant: Yes

ASEMDC1-LR from Abracon
Abracon

PIN CONFIG, MEMS, 3.2MM X 2.5MM, CMOS; Configurable Frequency Min:24MHz; Configurable Frequency Max:125MHz; Frequency Stability + / -:25ppm; Oscillator Case:SMD, 3.2mm x 2.5mm; Product Range:ASEMDC Series; Supply Voltage Min:2.25V RoHS Compliant: Yes

ASEMDC1-ZR from Abracon
Abracon

PIN CONFIG, MEMS, 3.2MM X 2.5MM, CMOS; Configurable Frequency Min:24MHz; Configurable Frequency Max:125MHz; Frequency Stability + / -:25ppm; Oscillator Case:SMD, 3.2mm x 2.5mm; Product Range:ASEMDC Series; Supply Voltage Min:2.25V RoHS Compliant: Yes

ASEMDC2-LR from Abracon
Abracon

PIN CONFIG, MEMS, 3.2MM X 2.5MM, CMOS; Configurable Frequency Min:25MHz; Configurable Frequency Max:156.25MHz; Frequency Stability + / -:25ppm; Oscillator Case:SMD, 3.2mm x 2.5mm; Product Range:ASEMDC Series; Supply Voltage Min:2.25VRoHS Compliant: Yes

ASEMDC2-ZR from Abracon
Abracon

PIN CONFIG, MEMS, 3.2MM X 2.5MM, CMOS; Configurable Frequency Min:25MHz; Configurable Frequency Max:156.25MHz; Frequency Stability + / -:25ppm; Oscillator Case:SMD, 3.2mm x 2.5mm; Product Range:ASEMDC Series; Supply Voltage Min:2.25VRoHS Compliant: Yes

ASEMDHC-LR from Abracon
Abracon

PIN CONFIG, MEMS, 3.2MM X 2.5MM, HCSL; Configurable Frequency Min:25MHz; Configurable Frequency Max:156.25MHz; Frequency Stability + / -:25ppm; Oscillator Case:SMD, 3.2mm x 2.5mm; Product Range:ASEMDHC Series; Frequency Max:460MHz RoHS Compliant: Yes

ASEMDLC-LR from Abracon
Abracon

PIN CONFIG, MEMS, 3.2Mm x 2.5MM, CMOS/LVDS; Configurable Frequency Min:25MHz; Configurable Frequency Max:156.25MHz; Frequency Stability + / -:25ppm; Oscillator Case:SMD, 3.2mm x 2.5mm; Product Range:ASEMDLC Series; Frequency Max:170MHzRoHS Compliant: Yes

ASEMDLP-LR from Abracon
Abracon

PIN CONFIG, MEMS, 3.2MM X 2.5MM, LVPECL; Configurable Frequency Min:25MHz; Configurable Frequency Max:156.25MHz; Frequency Stability + / -:25ppm; Oscillator Case:SMD, 3.2mm x 2.5mm; Product Range:ASEMDLP Series; Frequency Max:460MHz RoHS Compliant: Yes

ASEMCC3-LR from Abracon
Abracon

PIN CONFIG, MEMS, 3.2MM X 2.5MM, CMOS; Configurable Frequency Min:25MHz; Configurable Frequency Max:150MHz; Frequency Stability + / -:25ppm; Oscillator Case:SMD, 3.2mm x 2.5mm; Product Range:ASEMCC Series; Supply Voltage Min:2.25V RoHS Compliant: Yes

ASEMCC1-LR from Abracon
Abracon

PIN CONFIG, MEMS, 3.2MM X 2.5MM, CMOS; Configurable Frequency Min:24MHz; Configurable Frequency Max:148.5MHz; Frequency Stability + / -:25ppm; Oscillator Case:SMD, 3.2mm x 2.5mm; Product Range:ASEMCC Series; Supply Voltage Min:2.25V RoHS Compliant: Yes

ASEMCC2-LR from Abracon
Abracon

PIN CONFIG, MEMS, 3.2MM X 2.5MM, CMOS; Configurable Frequency Min:106.25MHz; Configurable Frequency Max:156.25MHz; Frequency Stability + / -:25ppm; Oscillator Case:SMD, 3.2mm x 2.5mm; Product Range:ASEMCC Series; Frequency Max:170MHzRoHS Compliant: Yes

ASEMDLV-LR from Abracon
Abracon

PIN CONFIG, MEMS, 3.2MM X 2.5MM, LVDS; Configurable Frequency Min:25MHz; Configurable Frequency Max:400MHz; Frequency Stability + / -:25ppm; Oscillator Case:SMD, 3.2mm x 2.5mm; Product Range:ASEMDLV Series; Supply Voltage Min:2.25V RoHS Compliant: Yes

AMJDAFJ-A11 from Abracon
Abracon

MEMS OSC, CONFIG, 50/100MHZ, 2 X 1.6MM; Configurable Frequency Min:50MHz; Configurable Frequency Max:100MHz; Frequency Stability + / -:25ppm; Oscillator Case:SMD, 2mm x 1.6mm; Product Range:AMJD Series; Operating Temperature Max:85°CRoHS Compliant: Yes

AMJDDFH-A11 from Abracon
Abracon

MEMS OSC, CONFIG, 50/100MHZ, 2.5 X 2MM; Configurable Frequency Min:50MHz; Configurable Frequency Max:100MHz; Frequency Stability + / -:25ppm; Oscillator Case:SMD, 2.5mm x 2mm; Product Range:AMJD Series; Operating Temperature Max:85°CRoHS Compliant: Yes

AMJDDFJ-A11 from Abracon
Abracon

MEMS OSC, CONFIG, 50/100MHZ, 2.5 X 2MM; Configurable Frequency Min:50MHz; Configurable Frequency Max:100MHz; Frequency Stability + / -:25ppm; Oscillator Case:SMD, 2.5mm x 2mm; Product Range:AMJD Series; Operating Temperature Max:85°CRoHS Compliant: Yes

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