The problem of constructing a new class physically unclonable functions (PUF) based on controlled ring oscillator (CRO) has beeb solved. relevance the creation CROPUF is associated with active development physical cryptography used for purposes identifying electronic products and generating cryptographic keys. It shown that classical oscillators (ROPUF) are characterized by large hardware redun...

This article presents a current-mode biquadratic filter and quadrature oscillator circuit based on current differencing transconductance amplifiers (CDTAs). The proposed does not require changing the topology. In addition to low-pass filter, high-pass band-pass sinusoidal signal, has pole frequency that can be controlled independently from quality factor, while oscillation non-interactively. im...