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                  产品展示您现在的位置: 首页 > 产品展示 > 台湾仪鼎PICOTEST > PICOTEST测试讯号转换器 > J2100A中国台湾仪鼎PICOTEST测试讯号转换器

                  中国台湾仪鼎PICOTEST测试讯号转换器

                  更新时间:2017-08-09
                  浏览次数:1215
                  简要描述:

                  中国台湾仪鼎PICOTEST测试讯号转换器J2100A Injection Transformer (5MHz
                  Low band corner frequency達1Hz,可 支援功率因數控制器J2100A,J2101A,J2102A,J2110A,J2111AJ2112A,J2120A,J2130A,J2140A,J2180A,J2090A

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                  中国台湾仪鼎PICOTEST测试讯号转换器

                  J2100A Injection Transformer 1Hz~5MHz 

                   
                    
                  中国台湾仪鼎PICOTEST测试讯号转换器
                   
                   
                  iconLow band corner frequency 達1Hz,可支援 功率因數控制器(PFC)之穩定性測試
                  icon5MHz帶寬足以量測大多數電源和穩壓器
                  icon超高頻寬,可達23 Octave
                  icon優異精確的低失真表現
                  icon5Ω終端,對待測電路的影響降至zui小
                  icon包括衰減功能來確保小信號的測量正確性
                  icon詳細規格
                   

                  The injection transformer is presently the prevalent method for connecting the network analyzer to the circuit being tested, and is primarily used for control loop stability measurements. The goal of the transformer is to inject a signal into the control loop being measured, without impacting the performance of the loop. In order to accomplish this to a reasonable degree, The transformer is isolated and therefore is capable of floating on a high voltage, such as a Power Factor Corrector (PFC), which is often close to 400VDC. Measuring voltages that exceed the voltage rating of the FRA inputs require attenuation probes.

                  The usable bandwidth of an injection transformer is generally significantly greater than the 3dB frequency limits. This is because the transformer itself is outside of the measurement, leading many to incorrectly believe that the transformer is a non-critical element.

                  The bandwidth of the transformer is strongly related to the terminating impedance. The most network analyzers provide a 50 Ohm oscillator source impedance. Assuming this impedance the optimal termination resistor is 5 Ohms. This significantly attenuates the injection signal, which is generally beneficial, as a common error in Bode measurements is using a signal which is too large, and therefore not a small signal measurement. An added benefit of this low value is that it can generally be left in circuit at all times, simplifying the connection to the network analyzer without appreciably impacting the output voltage of the circuit being tested.

                  J2100
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