urgentcomm » SMT

RF samplers and directional couplers

Published Thursday, March 01, 2001

To performance-test radio communications equipment, many small RF test devices are necessary. I carry a little toolbox reserved for small RF test devices that I often need in performing test and measurement procedures. RF sampling and coupling devices are some of those small tools that are needed in certain test procedures. Isotee connector Perhaps the simplest signal-sampling device is the homemade UHF tee connector that has been modified to form an isolated tee, often called the isotee. Figure 1 above shows how an isotee is used to sample a small portion of the transmitter RF output signal to ...

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