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

DIMENSIONS

Miniature footprint: 2.0 x 1.2mm

Low profile: 1.0mm max.

Integrated ceramic structure

Operating temperature: - 55

°C to + 125°C

Reflow solderable

3GND

2

IN

1

GND

Units: mm

4OUT25

GND

6

OUT1

ELECTRICAL SPECIFICATIONS

TOKO Part Number

LTF2012D-F17S

LTF2012D-F25S

OUT1 (AMPS)

OUT2 (PCS)

OUT1 (GSM)

OUT2 (DCS)

Frequency Range

824-894 MHz

1850-1990 MHz

880-960 MHz

1710-1880 MHz

Attenuation @ Low Band (dB)

0.45 max.

19.0 min.

0.5 max.

20.0 min.

Attenuation @ High Band (dB)

20.0 min.

0.5 max.

16.0 min.

0.55 max.

Passband Return Loss (dB)

12.0 min.

12.0 min.

12.0 min.

12.0 min.

Impedance

50

Ω

50

Ω

50

Ω

50

Ω

April 2003

1

 2003 TOKO America, Inc.

CF-210-LTF2012D

All Rights Reserved

Printed in USA