Fixed standing-wave ratio (SWR) mismatch load

The invention discloses a fixed standing-wave ratio (SWR) mismatch load, including outer conductors, inner conductor, a microstrip sheet and an end cap, the outer conductor is a tubular part, the inner conductor is mounted and fixed in the inner hole of the outer conductor, the rear end of the inner conductor is provided with a blind hole, the blind hole is adapted to the front end of the pin, theend cap is detachably connected with the outer conductor, the substrate of the microstrip sheet is an alumina ceramic substrate, the alumina ceramic substrate is coated with a thin film resistor. Theinvention has the advantages that mismatched loads with different standing wave ratios can be obtained by changing the square resistance of the thin film resistor, the working frequency range of themismatched loads can reach DC - 50GHz, and the standing wave flatness of the mismatched loads is higher than that of the prior art. The size of the structure is small, and the length is reduced by about half compared with the mismatch load using the column resistor, which greatly reduces the size of the structure. In addition, the adjusting screw can be not used or used for debugging, so that thedebugging is easier.