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SMI 70-S(XX)

450 MHz Ceramic Microplexer

DESCRIPTION

Extremely small and lightweight ceramic duplexer (Extremely small: only

8 cm

!).

Ideal for integration in portable 450 MHz cellular radio telephones.

Low insertion loss by use of high-performance ceramic materials and

computer optimized interconnection networks.

Rugged mechanical design and low temperature drift.

High power handling – handles 30 W at 85° C when mounted on a

25 cm

heatsink!

Designed for direct drop-in on microstrip PCB.

Coplanar terminals save space and provide ease-of-manufacturing and a

non-discontinuity interface to the PCB.

Environment proof.

ORDERING DESIGNATIONS

TYPE PRODUCT NO.

SMI 70-S(XX) 200000643

FUNCTIONAL DIMENSIONS

Detailed installation drawing available upon request.

COMMON SPECIFICATIONS

ELECTRICAL

MODEL SMI 70-S(XX)

FREQUENCY RANGE 400 - 475 MHz

MAX. INPUT POWER 6 W without heatsink

30 W with heatsink

IMPEDANCE Nom. 50 Ω

MECHANICAL

TEMP. RANGE –30° C → +85° C

CONNECTIONS Drop-in, coplanar

TOTAL DIMENSIONS (L x W x H) 52.5 x 38 x 7.3 mm

HOUSING ONLY (L x W x H) 39.5 x 28 x 7.3 mm

WEIGHT Approx. 35 g

SPECIFICATIONS

PORT SEPARATION TX-RX 10 MHZ

PORT WIDTH 4.5 MHZ

BRANCH TX → Ant. Ant. → RX

INSERTION LOSS IN PASSBAND ≤ 2.3 dB ≤ 3.5 dB

ATTENUATION IN STOPBAND > 35 dB > 42 dB

SWR ≤ 1.5

PORT SEPARATION TX-RX 10 MHZ

PORT WIDTH 1 MHZ

BRANCH TX → Ant. Ant. → RX

INSERTION LOSS IN PASSBAND ≤ 1.5 dB ≤ 2.4 dB

ATTENUATION IN STOPBAND > 55 dB > 60 dB

SWR ≤ 1.4

PORT SEPARATION TX-RX 10 MHZ

PORT WIDTH SINGLE FREQUENCY

BRANCH TX → Ant. Ant. → RX

INSERTION LOSS IN PASSBAND ≤ 1.4 dB ≤ 2.2 dB

ATTENUATION IN STOPBAND > 60 dB > 70 dB

SWR ≤ 1.3

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Page 1 - SMI 70-S(XX)

SMI 70-S(XX)450 MHz Ceramic MicroplexerDESCRIPTIONExtremely small and lightweight ceramic duplexer (Extremely small: only8 cm3!).Ideal for integration

Page 2 - 04/03/14

TYPICAL RESPONSE CURVES @ 10 MHz DUPLEX SPACINGTYPICAL RESPONSE CURVES @ 4.5 MHz DUPLEX SPACINGPROCOM A/S reserve the right to amend specificationswit

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