Category: Telecommunications & 5G RF
Practical RF test planning for cellular radios, base stations, private 5G and modem development.
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Shielded Cellular Benches: Finding Leakage Around High Attenuation
High attenuation inside a conducted cellular path is useful only if…
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Cellular RF Accessory Procurement: A Clear Datasheet Request
Cellular RF Accessory Procurement: A Clear Datasheet Request. Engineering concepts, examples…
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Passive Intermodulation and Ordinary RF Accessories
Ordinary RF accessory ratings do not establish passive-intermodulation performance.
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Signal Splitting Versus Directional Sampling in Cellular Tests
Signal splitting distributes power among outputs, while directional sampling uses a…
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Setting a Cellular Receiver Level: Source Display Versus DUT Input
The level shown on a signal generator is not necessarily the…
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Connector Repeatability in 5G Prototype Testing
Connector repeatability is part of a 5G prototype measurement’s uncertainty.
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Comparing 5G Radio Chains Without Hiding Fixture Loss
Compare radio chains using delivered levels at consistent reference planes.
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Temperature Drift in a Cellular Attenuation Path
Temperature drift in a cellular attenuation path can change delivered level…
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Bias-Fed Cellular Test Paths: Where a DC Block Belongs
Place a DC block according to which device must be protected…
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FDD Duplexer Testing: Terminating the Unused Port
An unused duplexer port normally needs the termination specified by the…