Reference Clock
The LimeSDR Mini clock system is based on a high stability 40 MHz VCTCXO (Voltage Controlled Temperature Compensated Crystal Oscillator) which can be tuned by on-board 10 bit DAC or 16 bit DAC (unpopulated).
The board provides both reference clock input and output U.FL connectors.
Function |
Specification |
Notes |
|---|---|---|
On-board Oscillator |
40 MHz VCTCXO |
Rakon E7355LF, ±0.5 ppm stability |
External Clock Input |
U.FL (J8) |
10-52 MHz, 1.8V - 3.3V |
Clock Output |
U.FL (J7) |
3.3V CMOS |
Warning
When using external clock references, ensure signal levels and frequencies match specifications.
Improper clock signals may cause unstable operation and potential damage to the device.