Trimble Outdoors SK8 - Manual (Page 193)

Lassen-SK8 Embedded GPS Module F-5
Specifications and Mechanical Drawings
F.7 Lassen-SK8 Crystal Specifications
F.7.1 Electrical
• Operating Frequency:16.368MHz
• Crystal Frequency: 16.368MHz, Fundamental Mode
• Load Capacitance, C
L
:32.8pF ± 0.5pF
• Tolerance: Calibration ± 10 ppm max @ 25°C
Stability ± 05 ppm max @ -20°C to +70°C
± 10 ppm max @ -40°C to +85°C
Aging: ± 01 ppm max first year
± 05 max for 10 years
• Motional: Capacitance
Inductance
Resistance
• Drive Level: 0,100 mW Method of measurement: IEC Standard 444
Transmission line method.
• Short Term Frequency-to-
Temperature stability:
0.07 ppm/°C (Proposed Specification)
F.7.2 Environmental
• Temperature: Operational -40°C to +85°C
Storage -55°C to +105°C
• SMDevice Reflow ± 0.5 ppm max change after 240°C for 20 seconds
• Shock: ± 0.5 ppm max change after 5000G 6 msec, .5 sine
• G Sensitivity: ± 0.100 5 ppm max per G
• Vibration: ± 0.5 ppm max change — 0.008g
2
/Hz to 20Hz
± 0.5 ppm max change — 0.05g
2
/Hz to 100Hz
-3 dB/octave — 100Hz to 900 Hz
F.7.3 Mechanical
• Enclosure: HC-45/U-SMD — Lead length 12.7 mm
• Enclosure Style: Resistance weld
• Electrodes: Gold
• Markings on Top: 5-digit Crystal Frequency
Manufacturer Name or Logo
Date Code or Lot Number