Category: DC Blocks & Bias Protection
Practical dc blocks & bias protection guides with product links, examples and specification checks.
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DC Blocks and Very-Low-Frequency Signals
A coaxial DC block may attenuate or distort signals near or…
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What Is a Coaxial RF DC Block?
An RF DC block uses capacitive coupling to interrupt DC continuity…
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DC Block Troubleshooting: No Signal After Installation
Check whether the signal frequency is inside the block’s passband and…
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Inner, Outer and Inner-Outer DC Blocks Explained
Inner blocks interrupt the center-conductor DC path; outer blocks interrupt the…
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Attenuator and DC Block Together: What Each Adds
An attenuator lowers RF level; a DC block interrupts specified DC…
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How to Choose a DC Block for an RF Instrument
Choose a DC block from the instrument’s permitted DC input, the…
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Documenting a DC Block Requirement for Procurement
Specify construction type, impedance, connector genders, RF passband, maximum insertion loss,…
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Why a DC Block Has a Lower Frequency Limit
The series capacitance of a DC block has greater reactance at…
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DC Block Phase Response and Measurement Accuracy
A DC block can affect phase as well as amplitude, especially…
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DC Block Versus Bias Tee: Different Functions
A DC block interrupts a DC path; a bias tee combines…