是德科技86205A / B和86207A高方向性射频电桥在各种通用应用中提供了无与伦比的性能。它们是精确反射测量和信号调平应用的理想选择。它们结合了定向桥的方向性和宽带频率范围以及定向耦合器的低插入损耗和平坦耦合因子。
40 dB方向性
出色的方向性使您可以测量高回波损耗设备,良好的端口匹配度可以使您测量低回波损耗设备。当使用标量网络分析仪,矢量网络分析仪和频谱分析仪进行反射测量时,这一点尤其重要。
宽频率范围
桥具有异常宽的RF频率范围:50Ω86205A / B为300 kHz至3/6 GHz,而75Ω86207A为300 kHz至3 GHz。当与ENA系列网络分析仪的E5061 / 71系列一起使用时,它们是理想的附件。
低插入损耗
这些电桥具有低插入损耗(标称值为1.5 dB),大大低于通常与RF电桥相关的典型6至8 dB。低插入损耗意味着被测设备的功率更高。这是测量大功率固态放大器和行波管放大器所必需的。
平坦的耦合系数
这些桥的耦合臂的频率响应非常平坦,在标称值16 dB的±0.2 dB范围内。这在外部功率均衡等应用中很重要,在该应用中,功率计或二极管检测器用于远程均衡来自RF源的输出功率,并且在测量与功率电平相关的设备(例如混频器的LO输入或混频器的RF输入)时压缩测试期间的放大器。
The Keysight Technologies, Inc. 86205A/B and 86207A high directivity RF bridges offer unparalleled performance in a variety of general purpose applications. They are ideal for accurate reflection measurements and signal-leveling applications. They combine the directivity and broad-band frequency range of directional bridges and the low insertion loss and flat coupling factor of directional couplers.
40 dB directivity
Excellent directivity allows you to measure high return loss devices and good port match lets you measure low return loss devices. This is especially important when making reflection measurements with scalar network analyzers, vector network analyzers and spectrum analyzers.
Wide frequency range
The bridges have an exceptionally wide RF frequency range: 300 kHz to 3/6 GHz for the 50 Ω 86205A/B and 300 kHz to 3 GHz for the 75 Ω 86207A. They are ideal accessories when used with the E5061/71 family of the ENA series network analyzers.
Low insertion loss
These bridges offer low insertion loss, (nominally 1.5 dB), which is significantly less than the typical 6 to 8 dB normally associated with RF bridges. Low insertion loss means more power to the device under test. This is required for the measurement of high-power solid state amplifiers and traveling wave tube amplifiers.
Flat coupling factor
The frequency response of the coupled arm for these bridges is very flat, within ±0.2 dB of the nominal value of 16 dB. This is important in applications such as external power leveling where a power meter or diode detector is used to remotely level the output power from an RF source and when measuring power level dependent devices such as the LO input to a mixer or the RF input to an amplifier during compression testing.
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