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RENT or BUY a Rohde & Schwarz ZRA SWR Bridge, 40 kHz to 150 MHz from TMG

Rohde & Schwarz


SWR Bridge, 40 kHz to 150 MHz

Specifications:Download Specifications


  • Small low-end cutoff frequency
  • High directivity
  • Excellent matching
  • High power-handling capacity
  • Rugged construction

The R&S®ZRA SWR bridge is used to measure the magnitude and phase of the reflection coefficient of RF circuits and components, e.g. filters, amplifiers, mixers, or antennas. The output signal a from the signal source, e.g. a signal generator, is applied to the DUT via the SWR bridge. Depending on the reflection coefficient r of the DUT, part of this signal is reflected to the SWR bridge and then routed to the receiver, which may be a voltmeter, a power meter, or a spectrum or network analyser connected to the bridge output. The output signal b is a measure of the complex reflection coefficient r of the DUT. Some of the measuring instruments convert the measured reflection coefficient into other parameters, e.g. into the impedance or admittance of the DUT. In this case, magnitude and phase as well as real and imaginary components can be displayed. The reflection coefficient stated in percent can also be converted into the return loss in dB or the standing-wave ratio SWR.


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Need to send your Rohde & Schwarz ZRA for calibration or repair assessment?

Our temperature and static controlled Calibration Laboratory and Repair Facilites are staffed by fully credentialed professionals who are meticulous in their attention to detail, operates in full compliance with strict NATA (National Association of Testing Authorities) standards of measurement and reporting (ISO/IEC 17025:2005).

TMG provides a uniquely single point to send all of your RF, AC, DC, Optical and Video related test equipment for careful checking.

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