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| Dielectric Filter (PF Type) Features * * * * * * Small and light size Low insertion loss for using high Q-value resonators Excellent temperature stability Excellent mechanical structure Good selectivity Suitable for reflow soldering LJ Series Electronic Characteristics Part Number LJ LJ LJ LJ LJ LJ LJ LJ LJ LJ LJ LJ LJ LJ LJ LJ E30B-A E40B-A E50B-A E60B-A E24B-B E30B-B E35B-B E40B-B E15B-C E20B-C E25B-C E30B-C E15B-D E20B-D E25B-D E30B-D Center Freq. fO (MHz) 800 ~ 1000 1000 ~ 1200 1200 ~ 1500 1500 ~ 1800 800 ~ 1000 1000 ~ 1200 1200 ~ 1500 1500 ~ 1800 800 ~ 1000 1000 ~ 1200 1200 ~ 1500 1500 ~ 1800 800 ~ 1000 1000 ~ 1200 1200 ~ 1500 1500 ~ 1800 -1dB Bandwidth (MHz) fO 15 fO 20 fO 25 fO 30 fO 12 fO 15 fO 17.5 fO 20 fO 7.5 fO 10 fO 12.5 fO 15 fO 7.5 fO 10 fO 12.5 fO 15 Insertion Loss (dB max) 1.8 1.8 1.8 1.8 2.0 2.0 2.0 2.0 2.4 2.4 2.4 2.4 3.0 3.0 3.0 3.0 Ripple in Pass Band (dB max) 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 VSWR max 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 Stop Band Attenuation (dB min) 60 (fO 160) 60 (fO 160) 50 (fO 160) 50 (fO 160) 60 (fO 120) 60 (fO 120) 50 (fO 120) 50 (fO 120) 60 (fO 100) 60 (fO 100) 50 (fO 100) 50 (fO 100) 70 (fO 100) 70 (fO 100) 60 (fO 100) 60 (fO 100) Operation Temperature Range (C) -55 ~ +85 -55 ~ +85 -55 ~ +85 -55 ~ +85 -55 ~ +85 -55 ~ +85 -55 ~ +85 -55 ~ +85 -55 ~ +85 -55 ~ +85 -55 ~ +85 -55 ~ +85 -55 ~ +85 -55 ~ +85 -55 ~ +85 -55 ~ +85 Note: Please consult VTC support for other frequencies and specifications that are not listed above. Method of Definition Outline Drawing L L J C J 1800 E 60 B - A LJ1800E60B A01 : Dielectric Filter : Dielectric material : SMD type 1800 : Center frequency in MHz E 30 B A : Dimensions : Bandwidth in MHz : Max. operating temperature : Product series Phone: +86 10 6301 4184 Fax: +86 10 6301 9167 Email: sales@vanlong.com Web: http://www.vanlong.com LJ Series (c) April 2004 by Vanlong Technology Co., Ltd. |
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