Difference between revisions of "Frequency Calibration via GPS"
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Revision as of 15:22, 28 November 2020
8 Mhz Output synchronized to GPS satellites
Contents
Features
- U-Blox NEO-7M GPS Module
- Remote Amplified GPS Antenna
- SMA Male connector
- FTDI-49MM
- Used to program the GPS module
- Pulse Generator modified to provide 50 Ohms, 5V drive
- Mini-360 Switching Power Supply
- 5V out
- 7-23V in
Parts
GPS
- U-Blox NEO-7M GPS Module
- SMA Female connector
U-Center Programming Software
- U-Blox website
- Set to 8 MHz on GPS PPS pin when locked
- Set to 2 Hz on GPS PPS pin when not locked
FTDI
50 Ohm Driver
- Used modified PulseGen card to drive 50 Ohms, 5V level output
Videos
