David Swinscoe's Electronics Pages                 Crystals

Components Resistors Capacitors Inductors Crystals Diodes Transistors
FETs Triacs Infra-red ICs LEDs Speakers and microphones Sensors
Crystals are used to produce an exact frequency of oscillation. Electronics watches and clocks use a quartz crystal to keep precise time.

We keep 32kHz crystals for timekeeping and 4MHz, 8MHz and 10MHz crystals to use in microcontroller and microprocessor clocks.