Abstract
It has been conducted research to determine the effect of X-ray tube voltage variation (kV) on Signal to Noise Ratio (SNR) values by applying the Anode Heel Effect using stepwedge with the addition of 1.5 mm thickness each step. The stepwedge used was 1.5-31.5 mm. The X-ray tube voltage variations used were 40, 50, 60, 70, 80, and 90 kV. Analysis of the effect of X-ray tube voltage variation on SNR values is determined using IMB SPSS Statistics 26 with a simple regression test. The test results showed that variations in X-ray tube voltage affect SNR values, where the greater the variation in X-ray tube voltage then the SNR value would get smaller. The optimal SNR value of 72.685 was obtained at a tube tension of 40 kV and a stepwedge thickness of 27.0 mm.
Highlights
conducted research to determine the effect of X-ray tube voltage variation
The test results showed that variations in X-ray tube voltage affect Signal to Noise Ratio (SNR) values
Noise pada perangkat elektronik yang menangkap dan memproses sinyal serta menampilkan citra digital juga dapat mempengaruhi hasil citra
Summary
It has been conducted research to determine the effect of X-ray tube voltage variation (kV) on Signal to Noise Ratio (SNR) values by applying the Anode Heel Effect using stepwedge with the addition of 1.5 mm thickness each step. Salah satu karakteristik tabung sinar-X yang digunakan adalah kemiringan anoda yang dirancang untuk mengarahkan berkas sinar-X ke objek. Anoda terdapat di dalam tabung sinar-X dan merupakan fokus target elektron yang dipancarkan dari katoda. Kemiringan anoda akan menyebabkan penyebaran intensitas sinar-X yang tidak merata dan berpengaruh pada kualitas radiograf yang dihasilkan meskipun objek mempunyai ketebalan yang sama, hal ini disebut dengan Anode Heel Effect.
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