LTF3216D Series
MULTILAYER CERAMIC DIPLEXER
DESCRIPTION
TOKO’s LTF3216D 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 most common dual band
systems, such as AMPS-PCS and EGSM-
DCS.
FEATURES
Miniature footprint: 3.2 x 1.6mm
Low profile: 1.0mm max.
Integrated ceramic structure
Operating temperature: - 55°C to + 125°C
Reflow solderable
DIMENSIONS
ELECTRICAL SPECIFICATIONS
AMPS/PCS
TOKO Part Number
Frequency Range
Attenuation @ Low Band (dB)
Attenuation @ High Band (dB)
Passband Return Loss (dB)
Impedance
LTF3216D-F17K
OUT1 (AMPS)
824-894 MHz
0.4 max.
20.0 min.
12.0 min.
50
Ω
OUT2 (PCS)
1850-1990 MHz
20.0 min.
0.45 max.
12.0 min.
50
Ω
LTF3216D-F17S
OUT1 (AMPS)
824-894 MHz
0.5 max.
20.0 min.
11.0 min.
50
Ω
OUT2 (PCS)
1850-1990 MHz
20.0 min.
0.55 max.
11.0 min.
50
Ω
EGSM/DCS
TOKO Part Number
Frequency Range
Attenuation @ Low Band (dB)
Attenuation @ High Band (dB)
Passband Return Loss (dB)
Impedance
LTF3216D-F25F
OUT1 (EGSM)
880-960 MHz
0.5 max.
19.0 min.
12.0 min.
50
Ω
OUT2 (DCS)
1710-1880 MHz
20.0 min.
0.55 max.
12.0 min.
50
Ω
LTF3216D-F25S
OUT1 (GSM)
880-960 MHz
0.5 max.
16.0 min.
11.0 min.
50
Ω
OUT2 (DCS)
1710-1880 MHz
20.0 min.
0.55 max.
11.0 min.
50
Ω
November 2001
2001 TOKO America, Inc.
All Rights Reserved
Printed in USA
CF-233-LTF3216D
1
LTF3216D Series
MULTILAYER CERAMIC DIPLEXER
TYPICAL CHARACTERISTICS
LTF3216D-F17K
Attenuation at AMPS
Attenuation at PCS
LTF3216D-F25F
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 form 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
November 2001
2001 TOKO America, Inc.
All Rights Reserved
Printed in USA
CF-233-LTF3216D
2
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