LTF2012D Series
MULTILAYER CERAMIC DIPLEXER
DESCRIPTION
TOKO’s LTF2012D is a multilayer ceramic diplexer for dual band mobile communication systems. It has low passband loss in both high and low bands. TOKO’s proprietary ceramic multilayer material and process is utilized for excellent performance and exceptional reliability. Specific parts have been designed for common dual band systems, such as AMPS-PCS and GSMDCS.
FEATURES
Miniature footprint: 2.0 x 1.2mm Low profile: 1.0mm max. Integrated ceramic structure Operating temperature: - 55°C to + 125°C Reflow solderable
DIMENSIONS
3 4
GND OU T 2
2 5
IN GND
1 6
GND OU T 1
Units: mm
ELECTRICAL SPECIFICATIONS
TOKO Part Number Frequency Range Attenuation @ Low Band (dB) Attenuation @ High Band (dB) Passband Return Loss (dB) Impedance LTF2012D-F17S
OUT1 (AMPS) 824-894 MHz 0.45 max. 20.0 min. 12.0 min. 50 Ω OUT2 (PCS) 1850-1990 MHz 19.0 min. 0.5 max. 12.0 min. 50 Ω
LTF2012D-F25S
OUT1 (GSM) 880-960 MHz 0.5 max. 16.0 min. 12.0 min. 50 Ω OUT2 (DCS) 1710-1880 MHz 20.0 min. 0.55 max. 12.0 min. 50 Ω
April 2003
2003 TOKO America, Inc. All Rights Reserved Printed in USA CF-210-LTF2012D
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LTF2012D Series
MULTILAYER CERAMIC DIPLEXER
TYPICAL CHARACTERISTICS
LTF2012D-F17S
Attenuation at AMPS Attenuation at PCS
LTF2012D-F25S
Attenuation at EGSM Attenuation at DCS
The information furnished by TOKO, Inc., is believed to be accurate and reliable. However, TOKO reserves the right to make changes or improvements in the design, specification, or manufacture of its products without further notice. TOKO does not assume any liability arising from the application or use of any product or circuit described herein, nor for infringements of patents or other rights of third parties which may result from the use of its products. No license is granted by implication or otherwise under any patent or patent rights of TOKO, Inc.
TOKO America, Inc. 1250 Feehanville Drive, Mt. Prospect, IL 60056 Tel: 800-PIK-TOKO or 847-297-0070 Fax: 847-699-7864 Web: http:// www.tokoam.com
April 2003
2003 TOKO America, Inc. All Rights Reserved Printed in USA CF-210-LTF2012D
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