Whenever I want to type "A, the text is converted to Ä Whenever I want to type "A, the text is converted to Ä

For example, I want to type the following text:

"A wonderful letter"


When I start typing, I get this:

Ä wonderful letter"


How to fix the issue with the Ä letter appearing instead of "A?
I had "US International" keyboard selected. After replacing it with "US", the problem disappeared.