Thurlby Thandar Instruments Ltd.

Thurlby Thandar instruments Ltd dates from the late 1970s when two companies, Thurlby Electronics Ltd and Thandar Electronics Ltd (formerly Sinclair) were both manufacturing electronic test equipment in Cambridgeshire, England. The two companies merged to form Thurlby Thandar Instruments Ltd (TTI) in 1989. The Aim brand was added when TTi products were introduced to the USA market. All products now sell under the Aim-TTi brand.

Aim-TTi are best known for being innovative leaders in PowerFlex, multi-range and precision power supplies. The full range of products extends to function and arbitrary generators, RF spectrum analyzers and generators and precision measurement instruments.