Radio Crystal Identification: Difference between revisions
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Crystals must be custom tuned by cutting or grinding to exact dimensions and tolerances to achieve a highly accurate desired frequency. | Crystals must be custom tuned by cutting or grinding to exact dimensions and tolerances to achieve a highly accurate desired frequency. | ||
Crystals age over time and cause the frequency to drift from the original design. | |||
Crystals marked P-77 are for radio shack scanner with 10.7 IF | Crystals marked P-77 are for radio shack scanner with 10.7 IF | ||
Revision as of 12:49, 2 August 2017
In the radio world we use the quartz crystal to construct a crystal oscillator. The vibrating crystal generates a sinusoidal electronic signal on a precise frequency.
The modern radio receiver uses a 10 MHz quartz crystal as a reference for the frequency synthesizer for the tuned frequency.
Crystals must be custom tuned by cutting or grinding to exact dimensions and tolerances to achieve a highly accurate desired frequency.
Crystals age over time and cause the frequency to drift from the original design.
Crystals marked P-77 are for radio shack scanner with 10.7 IF