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 GSM-
DCS.
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
OUT2
2
5
IN
GND
1
6
GND
OUT1
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
1
TOKO [ TOKO, INC ]
