5.85-8.2GHz WR-137 WAVEGUIDE LOAD

• Low VSWR (Voltage Standing Wave Ratio)
• High power handling capability
• Broadband operation

A WAVEGUIDE LOAD is a passive, non-radiating termination device used in waveguide transmission systems. Its primary electrical characteristic is to present a matched impedance (typically 50 ohms equivalent or the waveguide’s characteristic impedance) to the source, thereby absorbing incident microwave energy with minimal reflection.

• Absorption of Microwave Energy:
  A WAVEGUIDE LOAD converts electromagnetic wave energy into heat, preventing standing waves. Any high‑power system requires a WAVEGUIDE LOAD to terminate unused ports.

• Reduction of Voltage Standing Wave Ratio (VSWR):
  By absorbing nearly all incident power, a WAVEGUIDE LOAD maintains a low VSWR (typically <1.05), ensuring signal source stability and measurement accuracy.

• Protection of Sensitive Components:
  During transmitter testing or amplifier tuning, a WAVEGUIDE LOAD acts as a dummy antenna. Without a WAVEGUIDE LOAD, reflected power could destroy expensive devices such as magnetrons or solid‑state amplifiers.

                                  VN-WGLD-0508-WR137.pdf