This is a Sources Sought notice for market research to identify vendors capable of providing a Digital Phase Noise and Frequency Analyzer. The government is specifically seeking information on the country where the product is manufactured, with a preference for U.S. manufacturers. The results will be used to determine if the future acquisition can be set aside for small businesses under NAICS code 334515. Interested vendors must submit a capability statement of four pages or less, including details on the manufacturer and country of origin. No solicitation is currently available, and this notice does not commit the government to issue a contract.