Kenji Arai
Very simple but enough accuracy "Frequency Counter". Using GPS 1PPS signal for 1sec gate. CPU is F746, F446 and F411.
Dependencies: fc_GPS1PPS_f746_f4xx iSerial mbed
Please refer following.
/users/kenjiArai/notebook/frequency-counters/
Concept block are follows.
F746
/media/uploads/kenjiArai/block_diagram_fc_f746_wo_oven.pdf
F411&F446
/media/uploads/kenjiArai/block_diagram_fc_f411_wo_oven.pdf
Hardware Circuit(common F746,F446 and F411)
/media/uploads/kenjiArai/fc_f746ng_circuit.pdf
Changes
| Revision | Date | Who | Commit message |
|---|---|---|---|
| 0:da29cdc50643 | 2016-11-16 | kenjiArai | Frequency counter program. Using GPS 1PPS signal. ; Frequency measurement range 0.01 Hz to Over 1.5GHz (F746 & F446) or 0.8GHz.; This is very simple way but enough accuracy. |