This is an electronic oscillator circuit. It uses the mechanical resonance of a vibrating crystal of piezoelectric material. And then create an electrical signal with a precise frequency. This frequency is often used to keep track of time to provide a stable clock signal.

Technical Specification:

• Frequency Range: 16MHz
• Load Capacitance: 18pF
• Frequency Tolerance: ± 30ppm
• Frequency Temperature Stability: ±50ppm
• Resonance Resistance: 40ohms (max)
• Shunt Capacitance: <7pF
• Drive Level: <100µW
• Operating Temperature Range: -20 to + 70°C
• Operable Temperature Range: -25 to + 85°C
• Storage Temperature Range: -55 to + 125°C
• Insulation Resistance: 500M?

Features:

• Accuracy, compactness
• Low cost, low power consumption
• High-frequency generation
• Low phase noise
• High Q factor
• Automatic amplitude control and frequency drift