I'm not new to electronics, but I am fairly new to Arduino and very new to Teensy.
For my first real project, I'm working on this in stages. The plan is start with a frequency counter with a GPS module as a reference/calibration standard, then that controls a DDS like the AD8951. The Teensy will check the output of the DDS and correct it as needed.
I see the Teensy 3.0/1/2 uses a 16MHz crystal. I think I could replace that with a TCXO with +-2.5ppm temp and +-1.5ppm initial accuracy.
But what does the Teensy 3.6 have on it? I see the clock is no longer a multiple of 16.
I may also borrow an idea from another thread here, and stick a Dallas 18B20 on board, but I'm worried about the complexity of changing the crystal register.
Please forgive my ignorance.
For my first real project, I'm working on this in stages. The plan is start with a frequency counter with a GPS module as a reference/calibration standard, then that controls a DDS like the AD8951. The Teensy will check the output of the DDS and correct it as needed.
I see the Teensy 3.0/1/2 uses a 16MHz crystal. I think I could replace that with a TCXO with +-2.5ppm temp and +-1.5ppm initial accuracy.
But what does the Teensy 3.6 have on it? I see the clock is no longer a multiple of 16.
I may also borrow an idea from another thread here, and stick a Dallas 18B20 on board, but I'm worried about the complexity of changing the crystal register.
Please forgive my ignorance.