LADP-17 Microwave characteristics experiments

Experiment items: 1. Frequency measurement experiment; 2. Power measurement experiment; 3. Standing wave measurement experiment; 4. Basic characteristics measurement experiment of directional coupler; 5. Attenuation measurement experiment. Specifications 1. Microwave signal source: frequency range 8-12ghz, output power ≥ 5MW 2. Digital display power meter: frequency range 8.2-12.4ghz, measurement range 0.1-100mw 3. Microwave measuring line: effective stroke ≥ 90mm, residual voltage standing wave coefficient ≤ 1.03 4. Microwave frequency meter: calibration error ≤± 0.3%. 5. Directional coupler: center frequency coupling degree 22 ± 2dB; standing wave coefficient ＜ 1.25 6. Variable attenuator: maximum attenuation ≥ 15dB, initial attenuation < 0.5dB 7. Crystal detector: VSWR adjustment range 20:1.05.