Giarratano J C
Med Phys. 1976 May-Jun;3(3):142-7. doi: 10.1118/1.594280.
This report describes several different techniques that have been used to determine the peak kilovoltage (kVp) of single- and three-phase diagnostic x-ray units operating in both the radiographic and fluoroscopic mode, from 60 to 110 kVp, using (1) a voltage divider with oxcilloscope display; (2) a voltage divider and special summing amplifier with digital display of the voltage utilizing a multichannel analyzer; (3) a version of the Ardran-Crooks cassette technique; and (4) a Ge(Li) spectrometer method. Each technique presents a distinct advantage: Method (1) enables the waveform to be viewed directly; method (2) is probably the most accurate and reproducible technique; method (3) has the greatest ease of operation; and method (4) provides the ability to visualize the x-ray spectrum.
本报告描述了几种不同的技术,这些技术用于确定在60至110千伏峰值(kVp)范围内,以放射摄影和透视模式运行的单相和三相诊断X射线装置的峰值千伏(kVp),使用的技术包括:(1)带有示波器显示的分压器;(2)带有分压器和特殊求和放大器的装置,该放大器利用多通道分析仪对电压进行数字显示;(3)一种改进版的阿德兰-克鲁克斯暗盒技术;以及(4)锗(锂)光谱仪法。每种技术都有其独特的优势:方法(1)能够直接观察波形;方法(2)可能是最准确且可重复的技术;方法(3)操作最为简便;方法(4)能够可视化X射线光谱。