PLL order

LO PLL ADF4350

PCB-LO-PLL-ADF4350 comes in two editions: with integrated 10 MHz TCXO on-board and edition that allow you to connect your own external reference oscillator. It works on 1 of 4 pre-programmed in microcontroller firmware (ATtiny13) fixed frequencies. Configuring one of four possible frequencies (that pre-installed in microcontroller firmware) is performed by setting S1 and S2 jumpers (0 ohm resistors) on the PLL board. Protection cover that included in this KIT should be solvered onto the PCB after S1 and S2 jumpers setup. Possible values are listed below (table 1).

Project schematic available here, PCB layout here.

ADF4350 documentation in PDF available here.
ATtiny13 documentation in PDF available here.

Possible frequencies range (for programming Attiny13 according to your order) is between 550 and 4400 MHz, minimal step is 10 kHz. Possible reference frequency range is between 10 and 25 MHz, multiple of 100 kHz (in case your want to order PLL without reference oscillator). For PLL edition with integrated 10 MHz TCXO on-board selection of this option is not needed.

Table 1. Pre-installed frequencies configuration
F, MHz S1 S2
F1 OFF OFF
F2 ON OFF
F3 OFF ON
F4 ON ON

Select 4 frequencies for ATtiny13 programming (in kHz, minimal step 10 kHz, for example 1296010 kHz):
kHz   kHz   kHz   kHz (required)

Your reference oscillator frequency (in kHz, multiple of 100 kHz, for example 10100 kHz):
kHz (optional, in case of ordering PLL without integrated TCXO)

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