A CMOS gyrator low-IF filter for a dual-mode Bluetooth/ZigBee transceiver [mobile phone applications]. - Brian Guthrie; Tony Sayers; Adrian Spencer; John B. Hughes (CICC, 2004)

A CMOS gyrator low-IF filter for a dual-mode Bluetooth/ZigBee transceiver. - Brian Guthrie; John B. Hughes; Tony Sayers; Adrian Spencer (IEEE J. Solid State Circuits, 2005)

A Multirate Switched-Current Filter Using Class-AB Cascoded Memory. - Apisak Worapishet; Rungsimant Sitdhikorn; Adrian Spencer; John B. Hughes (IEEE Trans. Circuits Syst. II Express Briefs, 2006)

Application of the PODFS method to inlet turbulence generated using the digital filter technique. - Nicholas C. W. Treleaven; M. Staufer; Adrian Spencer; Andrew Garmory; Gary J. Page (J. Comput. Phys., 2020)