KMW Inc. (Korea) KMW Communications (USA) KMW Japan Inc. Xi ...
KMW Inc. (Korea) KMW Communications (USA) KMW Japan Inc. Xi ...
KMW Inc. (Korea) KMW Communications (USA) KMW Japan Inc. Xi ...
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Advanced Technology<br />
• Triple Mode Resonance & Triple Notches from<br />
One Ceramic DR.<br />
• Ceramic Resonator fabrication with maximum Q<br />
factor, accurate resonant frequency and<br />
temperature coefficient.<br />
• Extremely sharp rejection & high power handling.<br />
Key Benefits<br />
• Frequency full utilization<br />
• Low Insertion Loss<br />
• Small Size & Light Weight<br />
• Low Inter Modulation Distortion<br />
• Cast Design & High Productivity<br />
Triple Mode Technology (Black Hole Filter)<br />
Compared Conventional vs. Black Hole Filter<br />
Cavity Filter<br />
(TEM mode)<br />
Handling Power O O O × O<br />
www.kmwcomm.com<br />
<strong>KMW</strong> <strong>Communications</strong><br />
Base Station Antennas<br />
For Mobile <strong>Communications</strong><br />
<br />
Freq: 860MHz Q: Single Cavity Size (90 x 90 x 90mm)<br />
Ceramic Filter<br />
(TM mode)<br />
Ceramic Filter<br />
(TEσ01 mode)<br />
Super<br />
Conductor<br />
Black Hole Filter<br />
Q Factor 7500 11000 18000 45000 24000×3= 72000<br />
Size Δ Δ Δ Δ O<br />
Weight Δ Δ × × O<br />
Insertion Loss × Δ O O O<br />
Attenuation × Δ O O O<br />
Reliability O O O × O<br />
PIMD O O O ‐ O<br />
Performance vs Cost Δ Δ Δ × O<br />
Bad : ×, Normal : Δ, Good : O, Very Good : O
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