IET電路設備和系統包括以下主題：電路理論與設計、電路分析與仿真、計算機輔助設計；濾波器（模擬和開關電容器）；電路實現、單元和集成架構，包括VLSI；可測試性、容錯設計、電路最小化和VLSI的CAD；傳統和電子設備的新型或改進型電子設備。合并技術包括納米電子學和MEMS、設備和工藝特性、設備參數提取方案；電路和系統理論的數學；涉及電子電路、工業應用電路、傳感器和傳感器的測試和測量技術。

IET Circuits Devices & Systems covers the following topics:Circuit theory and design, circuit analysis and simulation, computer aided design; filters (analogue and switched capacitor); circuit implementations, cells and architectures for integration including VLSI; testability, fault tolerant design, minimisation of circuits and CAD for VLSI; novel or improved electronic devices for both traditional and emerging technologies including nanoelectronics and MEMs, device and process characterisation, device parameter extraction schemes; mathematics of circuits and systems theory; test and measurement techniques involving electronic circuits, circuits for industrial applications, sensors and transducers.