FIELD: instrument making.
SUBSTANCE: invention relates to metrology and can be used for calibration of noise coefficient measurements. Proposed device comprises SHF generator, SHF frequency counter, gate, converter, first and second power supplies, switch and digital voltage metre. In compliance with the first version, the converter represents a coaxial system, while the second version proposes a micro strip system.
EFFECT: reduced instrumental error, simpler calibration, reduced local oscillator noise effects.
1 cl, 3 dwg
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