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Broadband Blocking Components

DLI offers many options for your broadband blocking needs that range from DC to greater than 40 GHz.  Please see the below spectrum reference chart for your needs.


Product Brochure Application Notes Corporate Brochure Electrical Test Data Data Sheets



MLC Broadband Blocks 

Applications Benefits
  • Applications
  • Fiber Optic Links
  • High Isolation Decoupling
  • VCO Frequency Stabilization
  • Instruments and Test Equipment
  • LAN’s
  • RF/Microwave Modules, Diplexers
  • Resonance free DC Blocking/Decoupling
  • Less than 0.25 dB loss @ 4 GHz (typical)
  • Surface Mountable




Ultra Broadband DC Blocking


Applications Benefits
  • Improved Low Frequency Stability over Temperature
  • Very Low Series Inductance
  • X7R Temperature and Voltage Stability
  • Resonance Free DC Blocking to > 40 GHz
  • Surface Mountable by Solder or Epoxy Bonding
  • Improved Low Frequency Stability over Temperature



Milli-Cap® SMD Millimeter Wave Capacitor

Ideal SMT Capacitor

Applications Benefits
  • EIA Standard Footprints
  • Very Low Series Inductance
  • Ultra High Series Resonance
  • Low Loss High Q Parts
  • Behaves like an Ideal Capacitor
  • Matches typical 50Ω Line Widths
  • More usable bandwidth
  • Preserves board space




RF Blocking Networks (AKA “E-Field Choke™)

  • High Speed Digital
  • Mixed Signal IC’s
  • Suppression of Noise on DC Supply Lines
  • MCM and Hybrid Modules
  • Eliminates Noise at I/O Pins
  • Replaces Large Decoupling Capacitor with Superior Performance
  • Clean DC Lines Beyond 18 GHz


DLI’s standard RF Blocking Networks come in 1, 2, 3 and 4 segments for your needs.  Custom variations can be accommodated to adjust capacitance and resistance to your requirements.