GX9/4H 高频高Q型十进电感箱
产品概述
GX9/4H高频高Q型十进电感箱是一款专为高频电路设计的精密电感调节设备，采用十进制步进调节方式，可提供稳定且精确的电感值变化。该产品适用于实验室、科研机构及电子工程领域，可用于构建电桥桥臂、调谐电路、振荡电路及滤波电路等应用场景。其核心特点在于高频性能优异，品质因数（Q值）较高，能够在较宽频率范围内保持稳定的电气特性。12
技术特性
GX9/4H的电感可调范围为(0～10)×100mH，最小步进为100mH，最大电感可达1000mH。工作频率范围覆盖30kHz至50kHz，额定工作电流为0.5A，建议在1/2最大电流以下长期工作以确保稳定性。产品采用ABS塑料外壳封装，面板设计简洁，转换开关与接线端钮布局合理，操作便捷。电感线圈采用高频高Q材料绕制，残余电感≤5μH，在+5℃～+35℃环境温度下性能稳定。179
应用领域
本产品主要应用于300Hz～100kHz频率范围内的交流电路，可作为自感可变标准器使用。在实验室环境中，常用于构建精密测量电桥的桥臂元件，或作为振荡器、滤波器的核心调谐组件。其高频特性使其特别适合射频电路调试、通信设备研发等对信号纯度要求较高的场合。此外，该电感箱还可用于电子教学演示，帮助学生理解电感参数对电路特性的影响。29
使用注意事项
使用时应确保环境温度在+5℃～+35℃之间，相对湿度30%～80%。安装位置需远离金属物体以避免电感量精度受影响。连续工作时间建议不超过2小时，长期工作时应控制电流不超过额定值的50%。存放时应置于干燥通风环境中，避免腐蚀性气体侵蚀。产品采用十进制开关调节，转换时需确保档位到位以避免接触电阻引入误差。914
Product Overview
The GX9/4H High-Frequency High-Q Decade Inductance Box is a precision adjustable inductor designed for high-frequency circuits. With its decade stepping mechanism, it provides stable and accurate inductance value variation. Ideal for laboratories, research institutions, and electronic engineering applications, this unit can be used to construct bridge arms, tuning circuits, oscillators, and filters. Its outstanding feature lies in excellent high-frequency performance and high quality factor (Q), maintaining stable electrical characteristics across broad frequency ranges. 12
Technical Specifications
The GX9/4H offers adjustable inductance range of (0-10)×100mH with minimum step of 100mH and maximum inductance of 1000mH. Operating frequency ranges from 30kHz to 50kHz, with rated current of 0.5A (recommended working below half of maximum current for prolonged stability). The ABS plastic enclosure houses specially wound high-Q coils with residual inductance ≤5μH, showing consistent performance within +5℃～+35℃ ambient temperature. The front panel features clearly marked terminals and rotary switch for intuitive operation. 7914
Typical Applications
This inductance box serves as variable standard inductor in AC circuits from 300Hz to 100kHz. Common applications include precision measurement bridges, oscillator tank circuits, and RF filter networks in laboratory settings. Its high-frequency characteristics make it particularly suitable for RF circuit debugging and communication equipment development requiring high signal purity. Additionally, it serves as effective educational tool for demonstrating inductance parameters impact on circuit behavior in electronics training. 29
Operational Guidance
Operate within +5℃～+35℃ environment with 30%-80% relative humidity. Maintain sufficient distance from metal objects to prevent inductance deviation. Limit continuous operation to 2 hours maximum, keeping current below 50% of rated value for extended use. Store in dry, ventilated area away from corrosive substances. When adjusting decade switches, ensure positive engagement to minimize contact resistance effects. 914
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十 进 电 感 箱( 高频高 Q 型 )
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序号
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型号
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开关
数
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小步进mH
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大电感mH
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可调范围mH
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工作频率kHz
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Q值
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准确
度%
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额定电流A
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出厂价￥
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4-27
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GX9/0H
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1
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0.01
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0.1
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(0～10)×0.01
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≤35
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30～60
|
5
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≤5
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2800
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4-28
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GX9/1H
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1
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0.1
|
1
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(0～10)×0.1
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≤30
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50～150
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2
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≤3
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2800
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4-29
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GX9/2H
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1
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1
|
10
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(0～10)×1
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≤20
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90～140
|
1
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≤2
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2800
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4-30
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GX9/3H
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1
|
10
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100
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(0～10)×10
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≤15
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90～140
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1
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≤1
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2800
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4-31
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GX9/4H
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1
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100
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1000
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(0～10)×100
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≤5
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30～50
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2
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≤0.5
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2800
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4-32
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GX9/5H
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1
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1000
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10000
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(0～10)×1000
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≤0.3
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≤20
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5
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≤0.05
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2800
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