The phrase "a source of unlimited" is correct and usable in written English.
It can be used to describe something that provides an endless or boundless supply of a particular resource or quality.
Example: "The internet is a source of unlimited information, allowing users to access knowledge on virtually any topic."
Alternatives: "an endless supply of" or "a boundless resource of".
For her family she was a source of unlimited love, strength, grace and humor.
Luckily, life handed him a source of unlimited capital in the form of heirloom black-stemmed mint that had taken over a wet area of the farm.
Cloud not only provides a source of unlimited and dynamic capacity, but also helps users consume innovation faster.
On the other hand, simulator training can fulfill the individual training demands, as a source of unlimited training while the training possibilities on real patients in the OR are scarcer.
You tap into a source of unlimited energy - both for your team and yourself.
The player assumes the role of George Stobbart, an American patent lawyer who flies to the Congo to write a patent for a scientist who claims to have found a source of unlimited energy.
The recombinant expression of poplar GS genes also provided a good source of unlimited amounts of the isoenzymes for the comparative analysis of their biochemical properties.
AI is a potential savior at a time of diminishing market returns; AI is a source of unknown and possibly unlimited risks.
The advantages of solar power are obvious: every minute, the sun pounds the surface of the earth with more energy than the entire world consumes in a year-a potential source of virtually unlimited, clean and free electricity.
Germany and the European Central Bank (ECB) have ruled out the only source of unlimited support: the central bank itself.
"These 'over the counter' derivatives created, sold and serviced behind closed doors by consenting adults who don't tell anybody what they're doing are also a major source of the almost unlimited leverage that brought the world financial system to the brink of disaster last fall," he wrote, referring to the market turmoil of 1998.
