LH (Low Loss High Power)

Microwave Test Cable Assemblies

OSI’s Low Loss High Power Microwave Test Cable Assemblies are designed to offer optimal, durable, precision test & measurement interconnect solution up to 18Ghz where in application requirement with stable electrical performance are a key factor.

Interconnect solution are available in male types of 3.5mm, SMA and N connections with lower loss and handling higher power cover up to 18Ghz while guaranteed electrical performances.

Advantage of LH
  • Recommended where requiring Lower attenuation in higher power application up to 18Ghz.
  • Maximum VSWR 1.25 or below with stability of amplitude and phase are guaranteed while frequent flexure and broad range of temperature cycle environment.
  • Maintainable cost of ownership guarantees customer’s satisfaction. Your Guaranteed
Your Guaranteed Quality

All Low Loss high Power cable assemblies are fully tested and inspected prior to releasing to customers and OSI offers a warranty program within range of warranty policy for guaranteed quality. Materials and fabrication process are in progress under tight quality assurance program. ROHS compliant. Stock assemblies in length of 1.0m are available for next day shipment.

LH Specifications up to 18Ghz

Available connectors for LH21 and LH31:

  • 3.5mm Male, SMA Male, N Male
Maximum Frequency (Ghz) DC ~ 18Ghz
Typical VSWR 1.25:1
Impedance(Nominal) (Ohms) 50
Amplitude Stability in Insertion Loss < +/– 0.05dB
Dielectric Constant 1.7
Velocity of Propagation 76% (LH21) / 83% (LH31)
Shield Effectiveness (dB through 18Ghz) < 100
Time Delay (Nominal) ns/cm 0.04
Temperature Ranges (°c) –55° ~ +125°
Minimum Bend Radius 30mm (LH21) / 40mm (LH31)

* Data obtained from LH21 SMSM-1.0m (1m of LH21 cable assembly with SMA Male to Male)

* Data obtained from LH31 SMSM-1.0m (1m of LH31 cable assembly with SMA Male to Male)

LH Key Features
  • Slimmer interconnect construction in 3.5mm and 2.92mm connections
  • Velocity of Propagation : 83%
  • Insertion Loss @ 18GHz
    – LH21 → Minimum -1.60 dB/m
    (Refer to bulk cable LH21 for further loss information)
    – LH31 → Minimum -0.98 dB/m
    (Refer to bulk cable LH31 for further loss information)
  • Maximum VSWR : 1.25:1
  • Power Handling (w) ambient (Sea Level) @ 18GHz
    – LH21 → 235W
    (Refer to bulk cable LH21 for further power information)
    – LH31 → 380W
    (Refer to bulk cable LH31 for further power information)
  • Phase Stable Vs. Flexure : +/– 3 degree @ 18Ghz
  • Amplitude Stability : <+/– typical below 0.1dB @18Ghz

How to Order

Part Number Configuration
Connector Option
LH(LH21 or LH31) :
  • 3.5mm Male
  • N Male
  • SMA Male
  • LH21SMNM-1.0m = LH21 with SMA Male to N Male for 1 meter long covering up to 18Ghz

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