Difference between revisions of "Frequency Calibration via GPS"
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* [[FTDI-49MM]] | * [[FTDI-49MM]] | ||
| − | == 50 Ohm Driver === | + | === 50 Ohm Driver === |
* Used modified [[PulseGen]] card to drive 50 Ohms, 5V level output | * Used modified [[PulseGen]] card to drive 50 Ohms, 5V level output | ||
Revision as of 13:34, 28 November 2020
8 Mhz Output synchronized to GPS satellites
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
- U-Center Programming Software
- Set to 8 MHz on PPS pin when locked
- Set to 2 Hz on PPS pin when not locked
- SMA Female connector
FTDI
50 Ohm Driver
- Used modified PulseGen card to drive 50 Ohms, 5V level output
Videos
