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PICOTEST仪鼎仪器测试讯号转换器

简要描述:PICOTEST仪鼎仪器测试讯号转换器,J2100A,J2101A,J2102A,J2110,J2111A,J2111AS,J2112,J2112AS,J22120A,J2130A,J2140A,J2150A,J2160A,J2170A,J2180A,J2180AS,J2190A

  • 产品型号:J2102A
  • 厂商性质:代理商
  • 更新时间:2023-06-11
  • 访  问  量:1961

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品牌PICOTEST/台湾仪鼎

PICOTEST仪鼎仪器测试讯号转换器

J2101A Injection Transformer 

10MHz~45MHz 

 
 
PICOTEST仪鼎仪器测试讯号转换器
 
 
iconLow band corner frequency 達10Hz,可支援一般離線式電源供應器(off-line power supplies)之測量
icon45MHz之超高頻寬,足以對應目前及未來zui先進之穩壓器量測需求
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.

 
Detailed Specifications:
中国台湾仪鼎PICOTEST专业级测试讯号转换器
Performance at -10dBm input level
CharacteristicRating
DCR 
Ratio1:1
Termination Impedance5 Ohms
Nominal 3dB Bandwidth10Hz ~ 45MHz
Isolation Voltage600V
Isolation Capacitance150pF@1KHz
DC Current10mA
Temperature Range0 ~ 50°C
Maximum Altitude6000 Ft

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