Surface Mount Circulator
FR31-Series
FR31-Series
Surface Mount Circulator
Features
•
•
•
•
•
24 dB Isolation Typical, 0.25 dB Insertion Loss Typical
Compatible with Pick-and-Place Manufacturing and Solder
Reflow Profiles
Custom Products Available with Alternate Configurations
such as Couplers, Attenuators, Higher Power Terminations,
Reverse Circulation and Termination on Ports 1 or 2
Available as Custom Product Without Flange for Surface
Mount Applications (Solder Reflow)
Designed for Wireless Telecommunications Systems:
AMPS, N-AMPS, D-AMPS, EGSM, GSM, DCS1800,
PCS1900
FR31
Description
M/A-COM’s surface mount circulators and isolators, designed for
cellular applications, feature high performance at low cost. These
designs offer the best isolation per insertion loss ratio in the
industry and are currently produced in the tens of thousands of
pieces per year. These units can be ordered so as to be compatible
with solder reflow manufacturing techniques. Both circulators and
isolators are in stock at all authorized M/A-COM distributors.
Part Number
FR31-0001
FR31-0002
FR31-0003
FR31-0004
FR31-0005
FR31-0006
FR31-0007
FR31-0008
Frequency Range (MHz)
869 – 894
925 – 960
1805 – 1880
1930 – 1990
824 – 849
880 – 915
1710 – 1785
1850 – 1910
Electrical Specifications
Parameter
Isolation
Insertion Loss
Forward Power
VSWR
Units
dB
dB
Watts
—
Min.
22
—
—
—
-10 to +60° C
Typ.
24
0.25
—
—
Max.
—
0.3
65
1.20
Min.
20
—
—
—
-30 to +85° C
Typ.
22
0.30
—
—
Max.
—
0.35
65
1.22
V2.00
M/A-COM Division of AMP Incorporated n North America: Tel. (800) 366-2266, Fax (800) 618-8883 n Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087
n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
www.macom.com
AMP and Connecting at a Higher Level are trademarks.
Specifications subject to change without notice.
Surface Mount Circulator
FR31-Series
Typical Performance, T = +25°C
FR31-0001
Isolation
0
-5
Insertion Loss
0
-0.1
-10
Insertion Loss (dB)
Isolation (dB)
-15
-20
-25
-30
-35
-0.2
-0.3
-0.4
-0.5
-40
819
852
884
819
852
884
917
Frequency (MHz)
Frequency (MHz)
FR31-0002
Isolation
0
-5
Insertion Loss (dB)
-1 0
Isolation (dB)
-1 5
-2 0
-2 5
-3 0
-3 5
-4 0
-4 5
875
908
940
F r e q u e n c y (M H z )
973
1005
-0 .1
-0 .2
-0 .3
-0 .4
-0 .5
-0 .6
875
908
940
F re q u e n c y (M H z )
973
1005
0
Insertion Loss
FR31-0003
Isolation
0
-5
Insertion Loss (dB)
0
-0 .0 5
- 0 .1
-0 .1 5
- 0 .2
-0 .2 5
- 0 .3
-0 .3 5
1750
Insertion Loss
-1 0
Isolation (dB)
-1 5
-2 0
-2 5
-3 0
-3 5
-4 0
-4 5
-5 0
1750
1795
1840
1885
1930
1795
1840
1885
917
1930
1975
-45
-0.6
F re q u e n c y (M H z )
F re q u e n c y (M H z)
FR31-0004
Isolation
0
-5
-1 0
Insertion Loss (dB)
-0 .0 5
-0 .1
-0 .1 5
-0 .2
-0 .2 5
-0 .3
-0 .3 5
1880
0
Insertion Loss
Isolation (dB)
-1 5
-2 0
-2 5
-3 0
-3 5
-4 0
-4 5
-5 0
1880
1912
1943
1975
2006
1912
1943
F re q u e n c y (M H z)
2006
F re q u e n c y (M H z )
V2.00
M/A-COM Division of AMP Incorporated n North America: Tel. (800) 366-2266, Fax (800) 618-8883 n Asia/Pacific: Tel.+85 2 2111 8088, Fax +85 2 2111 8087
n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
www.macom.com
AMP and Connecting at a Higher Level are trademarks.
Specifications subject to change without notice.
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