检测认证人脉交流通讯录
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ZVRE销售ZVRE回收ZVRE出售ZVRE ZVRE销售ZVRE回收ZVRE出售ZVRE ZVRE销售ZVRE回收ZVRE出售ZVRE ZVRE销售ZVRE回收ZVRE出售ZVRE ZVRE销售ZVRE回收ZVRE出售ZVRE ZVRE销售ZVRE回收ZVRE出售ZVRE
Rohde&Schwarz ZVRE 4G网络分析仪|罗德与施瓦茨 9KHz至4GHz
品牌：罗德与施瓦茨 Rohde&Schwarz
The family comprises the five Vector Network Analyzers ZVRL, ZVRE and ZVR as well as ZVCE and ZVC which extend the frequency range to 8 GHz. All models are compact instruments with integrated generator, test set and receiver, each tailored to a different field of application. All analyzers can be subsequently upgraded to the higher-class models.ZVRE and ZVCE : the economy modelsThe test set of these models comprises two SWR bridges (ZVRE) or directional couplers (ZVCE), an RF switch, two measurement channels and one reference channel. They measure the magnitude and phase of all four S-parameters of a DUT, allow a full two-port calibration (TOSM) and have an exceptionally high accuracy and wide dynamic range.
ZVRE, ZVCE (bidirectional, 3 channels)ZVR and ZVC : the universal modelsZVR and ZVC comprise a test set with two SWR bridges (ZVR) or directional couplers (ZVC), an RF switch, two measurement channels and - unlike ZVRE and ZVCE - two reference channels. With this configuration a variety of novel calibration procedures, eg TNA, can be performed, which considerably improve the accuracy particularly in non-coaxial applications. ZVR and ZVC are the allrounders of the family and suitable for applications in R&D and production no matter how sophisticated.
ZVR, ZVC (bidirectional, 4 channels)Test setsThe network analyzers can be provided with different test set options so that an optimally configured test setup is available to suit the applications.For the 4 GHz analyzers "active" or "passive" test sets with a characteristic impedance of 50 W or 75 W are available. A 50 W passive test set is standard equipment. With active test sets, the DUT can be biased directly via the inner conductor of the test port. The 8 GHz models ZVCE and ZVC are always equipped with 50 W active test sets. Depending on the model, the test sets comprise one or two power splitters, an electronic switch and one or two SWR bridges or directional couplers. Additional step attenuators (0 dB to 70 dB, components marked red in the drawings below) can be inserted into the generator paths and the two measurement channels to extend the power range of the receivers to +27 dBm and to lower minimum output power to -95 dBm. When the test sets are fitted with attenuators and the External Measurements option (components marked green in the drawings below), generator and receiver can be alternatively switched to three ports on the front panel (OUTPUT a1, INPUT b1, INPUT b2). This increases output power, sensitivity and dynamic range, and measurements down to 10 Hz can be performed with the 4 GHz models. In addition, the flexibility on external test sets, e.g. using an external pre-amplifier, is enhanced. The Reference Channel Ports (components marked blue in the drawings below) allow to feed the signal for the reference channel a1 from outside. This feature facilitates e.g. phase measurements on frequency converting devices. The test ports are fitted with female N connectors.
Test Set ZVRE and ZVCE
Test Set ZVR and ZVC
Features
Excellent dynamic range>130 dB (IF bandwidth 10 Hz)
Low inherent noise<-130 dBm (measurement bandwidth 3 kHz)
Broad frequency range for universal use10 Hz to 4 GHz (ZVRE, ZVR)
20 kHz to 8 GHz (ZVCE, ZVC)
High measurement speed<125 µs/point (normalized)
<240 µs/point (fully calibrated)
Fast data transfer via IEC/IEEE busTransfer time <15ms (200 points)
Customized, upgradable family conceptModular design using options
High sweep rate>>25 sweeps/s (200 points)
Manual calibration techniquesTOM, TRM, TRL, TNA, TOM-X, TOSM
Automatic calibration AutoKal
Compatibility with PC, CAEInternal PC with Windows NT operating system suitable for PC applications
Speed >>25 sweeps/s
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