default or selected kernelversion does not have config value CONFIG_ADMV4420.
Result is shown for kernelversion 5.18-rc7

Analog Devices ADMV4420 K Band Downconverter

modulename: admv4420.ko
configname: CONFIG_ADMV4420

Linux Kernel Configuration
└─> Device Drivers
└─> Industrial I/O support
└─> Frequency Synthesizers DDS/PLL
└─> Phase-Locked Loop (PLL) frequency synthesizers
└─> SPI support
└─> Analog Devices ADMV4420 K Band Downconverter

Say yes here to build support for Analog Devices K Band
Downconverter with integrated Fractional-N PLL and VCO.

To compile this driver as a module, choose M here: the
module will be called admv4420.

source code: