Trimble Outdoors SK8 - Manual (Page 192)

F-4 Lassen-SK8 Embedded GPS Module
Specifications and Mechanical Drawings
F.5 Pulse Per Second
F.5.1 Timing
• Rising edge of pulse synchronized to UTC within 100 ns, nominal
F.5.2 Pulse Width
• 10 microsecond wide pulse; rising edge is 20 nanoseconds or less, depending
upon distributed capacitance in cable
F.5.3 Output
• TTL level signal
F.6 RF Interference
F.6.1 Jamming
• Resistant to broadband noise jamming where jamming-to-signal power ratio is 20
dB or less, measured at the antenna/preamplifier interface when input signal is at -
160 dBW
F.6.2 Burnout
• Protected from damage by RF signals at frequencies 100 MHz or more from the
L1 frequency (1575.42 MHz) with received power up to one watt at the antenna