9kW Wide Band (HF) High Power +45dB CMR Line Isolator 1.5-30MHz

All our products are handmade, and fulfilment times may vary depending on order volume. Please allow 2–3 weeks for your order to be completed and shipped.

Why ?

Why Choose a +45 dB Line Isolator? The Benefits Over Standard Chokes
The Importance of a High-Quality Common-Mode Choke or Line Isolator
What Is the Biggest Effect of a Line Isolator?

Function

• Low Loss High power Common-Mode Choke type 1/1 UNUN. 
• We advice to use it before entering the shack or before the transceiver output

Mechanical Characteristics

• Professional 50 Ohms N-connector or SO239 connector. (IP66 after sealing with self- vulcanizing tape or equivalent).

Deployable frequency range: 1.5 to 30 MHz

• Optimized for 1,5 - 30 MHz > 30dB Rejection
  
• Less than 0.30dB insertion loss
• Less than 1.2:1 SWR

Optional Grounding terminal, allowing for connection of one side of the isolator to a clean RF ground, thus forming an “L” configuration filter for sheath currents, and providing additional (secondary) lightning protection. This configuration results in higher TX common-mode current rejection ratios and higher RX noise rejection characteristics.

Maximum power: 9000 W PeP (ICAS) / 5000 W PeP (CCS) / 3000 W DIGITAL (FT8/FT4) (@ antenna VSWR of < 2/1). More info

General LINE ISOLATORS user installation guide & safety instructions

Common mode rejection

The common mode rejection performance was measured using two Tekbox current clamps in a differential setup. A wideband noise source was injected, and the resulting signal was analyzed with a spectrum analyzer. The test setup confirmed a wideband common mode rejection of more than +45 dB across the HF spectrum.

Insertion Loss 

VSWR