Procom SMI-70-s(xx) User Manual
Smi 70-s(xx)

SMI 70-S(XX)
450 MHz Ceramic Microplexer
DESCRIPTION
Extremely small and lightweight ceramic duplexer (Extremely small: only
8 cm
3
!).
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
2
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