Products

Our product development takes place in top professional
R&D-departments, where our engineers are always working
to develop new innovative products in co-operation with our customers.

SMI 70-C1-SN(50)-BU

450 MHz Ceramic Microplexer

  • Extremely small and lightweight ceramic duplexer (Extremely small:
    only 12 cm3!).
  • Ideal for integration in portable 450 MHz cellular radio telephones.
  • Rugged mechanical design and low temperature drift.

DESCRIPTION

  • High power handling – handles 20 W at 85° C when mounted on a
    40 cm2 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.
  • Rejection of image frequency of receiver.
  • Weather- and shockproof.
  • Request quotation for other systems.

ORDERING DESIGNATIONS

TYPEPRODUCT NO.
SMI 70-C1-SN(50)-BU200000647

COMMON SPECIFICATIONS

ELECTRICAL 
MODELSMI 70-C1-SN(50)-BU
MAX. INPUT POWER6 W without heatsink
20 W with heatsink
IMPEDANCENom. 50 Ω
MECHANICAL 
TEMP. RANGE–30° C → +85° C
CONNECTIONSDrop-in, coplanar
TOTAL DIMENSIONS (L x W x H)77.5 x 36 x 7.5 mm
HOUSING ONLY (L x W x H)64.5 x 26 x 7.5 mm
WEIGHTApprox. 50 g

 

SPECIFICATION

MODELSMI 70-C1-SN(50)-BU
TX FREQ.448.343 - 449.343 MHz
RX FREQ.454.843 - 455.843 MHz
BRANCHTX → Ant.Ant. → RX
INSERTION LOSS IN PASSBAND≤ 1.7 - 2.3 dB≤ 2.7 - 3.3 dB
ATT. IN STOPBAND> 55 dB> 60 dB
NOTCH DEPTH70 - 80 dB
SWR≤ 1.5 dB

FUNCTIONAL DIMENSIONS

 

TYPICAL RESPONSE CURVES

 

TYPICAL RESPONSE CURVES

See what we are up to

Connect with us online, to get latest news

and see where the next exhibition is going to take place

Exhibition Calendar

We are Social

APN Logo Blue