The Various parameters that are specified by a manufacturer for an oscillator
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Frequency : At what frequency should the oscillator work. e.g. 40 MHz
Type of signal generated : Sine wave or square wave. If square wave TTL or CMOS etc.
Stability: The most important specification is stability. Stability is how well an oscillator remains at the desired frequency. The measurement of stability is the deviation or change in frequency from the desired value. The stability is typically measured in parts-per-million (ppm) . High performance oscillator’s stability will be specified in scientific notation
e.g. 1x10 -6 is 1ppm.
Temperature range of operation : Oscillators are measured according to their intended use, which means the temperature range may be 0 to 50 ºC for indoor applications, –40 to +70 ºC for outdoor applications, or some other range.
Power supply voltage : e.g. 5V±5% or 15 V ±10%
Current drawn : e.g. 30 mA
Package of the oscillator : type of package
Dimensions : Height, length and width in mm. Spacing between crystal leads.
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