Abstract
Based on the open-circuited slotline to realise capacitive compensation, a microstrip directional coupler with high isolation is investigated. Meanwhile, by adding external matching networks at the input/output ports, bandwidth is enhanced and a flat coupling is obtained. Centred at 2.4GHz, a 3dB directional coupler is designed, fabricated and examined. Both simulated results and measured data are presented, and good agreement between them is observed. © The Institution of Engineering and Technology 2007.
| Original language | English |
|---|---|
| Pages (from-to) | 228-229 |
| Journal | Electronics Letters |
| Volume | 43 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 2007 |
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