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簡要描述:PICOTEST儀鼎儀器專業(yè)測試訊號轉(zhuǎn)換器專業(yè)代理銷售現(xiàn)貨供應INJB01,INJB02,INGB03,J2100A.J2101A,J2102A,J2110A,J2111A,J2112A,J2120A,J2130A,J2140A,J2160A,J2180A,J2180A-20,J2190A
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PICOTEST儀鼎儀器專業(yè)測試訊號轉(zhuǎn)換器
What's included:J2100A Injection Transformer 1Hz - 5MHzJ2101A Injection Transformer 10Hz - 45MHzJ2110A Solid State InjectorJ2120A Line InjectorJ2130A DC Bias InjectorJ2111A Current Injector J2170A High PSRR Power Adapter (Shipped Separay)User manual
What's included:J2110A Solid State InjectorJ2111A Current InjectorJ2120A Line InjectorJ2130A DC Bias InjectorJ2140A Attenuator J2170A High PSRR Power AdapterUser manual
What's included:J2111A Current InjectorJ2101A Injection Transformer 10Hz - 45MHzJ2120A Line InjectorJ2140A Attenuator J2170A High PSRR Power AdapterUser manual
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.
J2100A測試訊號轉(zhuǎn)換器
J2100A 1 hz - 5 mhzJ2101A 10 hz - 45 mhzJ2110AJ2120AJ2130A
J2140A
J2160A
J2180A
J2190A
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