A 400 MHz reconfigurable injection-locking based RC oscillator for ASK/FSK modulation. - Karolinne Brito; Fernando Rangel de Sousa; Victor Ariel Leal Sobral; Robson Nunes de Lima; Raimundo Carlos Silvério Freire (SBCCI, 2013)

A 2.45 GHz CMOS active quasi-circulator with a built-in rectifier. - Karolinne B. Brito; Robson Nunes de Lima; Volker Kible; Raimundo C. S. Freire (LASCAS, 2018)

Quadrature Block for UHF Reflection Coefficient Measurements Using a Directional Coupler and Injection Locking. - Volker Kible; Robson Nunes de Lima; Karolinne B. Brito; André Bülau; André Zimmermann (IEEE Trans. Instrum. Meas., 2020)