The datasheet is not clear how to configure the HMC1044 and it's not very easy as this chip is write only.
Description of SPI link with 9 bits data, 4 bits reg_addr and 3 bits chip_addr :
Next page, description of unique register :
Where can I find the s2p files for the HMC1044 tunable filter?
I am using HMC1044 in one of my application. Using STM32F417 controller to configure HMC1044 through its SPI.
I tried with 1MHz to 20Mhz as SPI clock but not able to configure HMC1044. What is the supported SPI clock frequency ? in data sheet I see…