Conversation so far:
What is the synthesizer period?
a return towards a simpler guitar-driven blues sound with less synthesizer and pop bounce than the previous two albums.
Did they release any albums during this time?
Recycler, released in 1990.
Did they release any albums/?
the release of The ZZ Top Sixpack, a three-disc collection of ZZ Top's albums from 1970 to 1981, with the exception of Deguello.

Question: Did they win any awards during this time?
Self-contained rewrite: Did ZZ Top win any awards during 1983 to 1991?