Category: DC Blocks & Bias Protection
Practical dc blocks & bias protection guides with product links, examples and specification checks.
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Does a DC Block Protect Against Lightning?
A DC block is not a substitute for a specified coaxial…
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DC Block Insertion Loss: How to Account for It
Include the DC block’s measured insertion loss in the complete RF…
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Can a DC Block Pass a Pulsed RF Signal?
A DC block can pass a pulsed RF carrier within its…
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DC Block Voltage Ratings: What Must Be Specified
The block’s rated voltage must cover the voltage across its blocking…
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Measuring a DC Block with a VNA
Measure a DC block’s RF transmission and reflection with a calibrated…
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Checking DC Isolation Without Misreading the Result
A continuity check can indicate whether the intended conductor is blocked,…
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Where to Place a DC Block in a Measurement Chain
Place the block where it interrupts the unwanted DC path before…
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SMA Versus N-Type DC Blocks
Choose SMA or N-type interfaces to match the system mechanically and…
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Can a DC Block Solve a Ground Loop?
Only a block that interrupts the relevant conductor can affect that…
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RF Power Handling in a DC Block
DC block power handling depends on capacitor voltage and current stress,…