RT Journal Article ID 34a113bd5cc40880 A1 Bondarenko, I. N. T1 Cryogenic Resonators for Frequency Fluctuation Measurement of the High Stability Microwave Oscillators JF Telecommunications and Radio Engineering JO TRE YR 2001 FD 2001-01-20 VO 55 IS 1 OP 7 AB Possibility of using cooled and superconducting resonators in the low-noise microwave oscillators frequency fluctuation measuring circuits is considered. The frequency fluctuation transformer circuits based on cryogenic resonators are suggested. PB Begell House LK https://www.dl.begellhouse.com/journals/0632a9d54950b268,6055906c51f9abda,34a113bd5cc40880.html