Surface Mount Circulator FR31-Series
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.
V2.00
Features
• 24 dB Isolation Typical, 0.25 dB Insertion Loss Typical
• Compatible with Pick-and-Place Man ufacturing and So lder
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
Description
M/A-COM’s surface mount circulators and isolators, designed for
cellular applicatio ns, feature h igh 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 o rdered so as to b e compatib le
with solder reflow manufacturing techniques. Both circulators and
isolators are in stock at all authorized M/A-COM distributors.
FR31
Part Number Frequency Range (MHz)
FR31-0001
FR31-0002
FR31-0003
FR31-0004
FR31-0005
FR31-0006
FR31-0007
FR31-0008
869 – 894
925 – 960
1805 – 1880
1930 – 1990
824 – 849
880 – 915
1710 – 1785
1850 – 1910
Electrical Specifications
-10 to +60° C -30 to +85° C
Parameter Units Min. Typ. Max. Min. Typ. Max.
Isolation dB 22 24 —2022—
Insertion Loss dB — 0.25 0.3 — 0.30 0.35
Forward Powe r Watts — — 65 — — 65
VSWR — — — 1.20 — — 1.22
Surface Mount Circulator
FR31-Series
Surface Mount Circulator FR31-Series
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.
V2.00
Typical Performance, T = +25°C
FR31-0001
Isolation Insertion Loss
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
819
852
884
917
Frequency (MHz)
Isolation (dB)
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
819
852
884
917
Frequency (MHz)
Ins e rtio n Los s (d B)
FR31-0002
Isolation
FR31-0003 Insertion Loss
FR31-0004
Isolation Insertion Loss
Insertion Loss
Isolation
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
875 908 940 973 1005
Frequency (M Hz)
Insertion Loss (dB)
-0.35
-0.3
-0.25
-0.2
-0.15
-0.1
-0.05
0
1750 1795 1840 1885 1930
Frequency (MHz)
Insertion L oss (dB)
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
1750 1795 1840 1885 1930
Frequency (M Hz)
Isolation (dB)
-50
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
1880 1912 1943 1975 2006
Frequency (M Hz)
Isolation (dB)
-0.35
-0.3
-0.25
-0.2
-0.15
-0.1
-0.05
0
1880 1912 1943 1975 2006
Frequency (M H z)
Inserti o n Loss (dB)
-45
-40
-35
-30
-25
-20
-15
-10
-5
0
875 908 940 973 1005
Frequency (M Hz)
Isolation (dB)
