Ferrite Devices. BB4003 Datasheet

BB4003 Devices. Datasheet pdf. Equivalent

BB4003 Datasheet
Recommendation BB4003 Datasheet
Part BB4003
Description (BB4xxx) Ferrite Devices
Feature BB4003; www.DataSheet4U.com FERRITE DEVICES Contents FERRITE DEVICES CONTENTS CONTENTS w e N f o t i y Sp.
Manufacture Temex Components
Datasheet
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Temex Components BB4003
www.DataSheet4U.com
FERRITE DEVICES
Contents
FERRITE DEVICES
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PAGE
CIRCULATORS AND ISOLATORS SPECIFIC REQUEST . . . . . . . . . . . . . . . . . . 15-2
TECHNICAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-3
DROP-IN CIRCULATORS & ISOLATORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-9
COAXIAL DEVICES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15-19
WAVEGUIDE DEVICES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15-34
DESIGN AID 15-50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HOW TO ORDER? 15-56. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
wwwQ.UDaAtLaISThYeeAtS4SUU.cRoAmNCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15-57
SALES OFFICES: VISIT OUR WEB SITE AT
http://www.temex.net
15-1
Vol. 1



Temex Components BB4003
www.DataSheet4U.com
FERRITE DEVICES
Specific request
CIRCULATOR AND ISOLATOR SPECIFIC REQUEST
ISOLATOR
CIRCULATOR
TECHNOLOGY (drop-in, waveguide, etc.)
PART NUMBER (if existing)
OPERATING FREQUENCY
PACKAGE/DIMENSIONS
INPUT POWER (CW/Peak)
REVERSE POWER for isolator (CW/Peak)
:
:
:
:
:
:
INSERTION LOSS
ISOLATION
V.S.W.R.
OPERATING TEMPERATURE RANGE
:
:
:
dB
dB
°C
COAXIAL
WAVEGUIDE
Waveguide reference:
CONNECTORS (or flanges) ANDTERMINATIONS
Port # 1:
Port # 2:
Port # 3:
Port # 4:
PORT CONFIGURATION
Please, indicate the direction of circulation (outline):
ENVIRONMENTAL
CONDITIONS
SPACE
MILITARY
COMMERCIAL
AIRBORNE
NAVAL
Please fax this sheet to the sales office it may concern
FM: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Company: . . . . . . . . . . . . . . . . . . . . . . . . . . .
Phone: . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fax: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TO:TEMEX
Attention of M.: . . . . . . . . . . . . . . . . . . . . . . .
COMMENTS: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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15-2
Vol. 1
SALES OFFICES: VISIT OUR WEB SITE AT
http://www.temex.net



Temex Components BB4003
www.DataSheet4U.com
FERRITE DEVICES
Technical information /Technology
TECHNICAL INFORMATION
TECHNOLOGY
Y-Junction circulator
PORT 1
PORT 2
The Y-junction circulator uses spinel ferrites or garnet ferrites
in the presence of a magnetic bias field, to provide a non-reciprocal
effect. A 3-port circulator (shown in figure 1) is the basic model,
which can be used to explain how it operates.
PORT 3
FIG. 1
If a signal is applied at port # 1, it will emerge from port # 2 with a loss
characteristic called “insertion loss”. Typical values of insertion loss:
0.1 to 0.5 dB.
In the reverse direction, there will be leakage at port # 3 from
the incoming signal at port # 1.This leakage called isolation is typically
20 dB below incoming power at port # 1.
Due to the “3rd order symmetry” of the Y-junction, the behavior is the same for the other ports, with
respect to port # 1 to port # 2, port # 2 to port # 3 and port # 3 to port # 1.The circulator's role is to pass
energy, for instance, in the RF-head of a radar, assuring high isolation between the high power
transmitter and the sensitive low power receiver (figure 2).
The Y-junction exists in three main technologies:
Coaxial devices: these feature triplate technology with coaxial connectors.
Drop-in circulators: in triplate or microstrip technology.
Waveguide devices: it consist of three waveguides forming an H-plane junction in either a "T"
or a "Y"-symmetrical structure.
When very high power is needed, the technology uses a four-port differential phase shift duplexer.
ANTENNA
TRANSMITTER
RECEIVER
www.DFIaGt.a2SheeCt4IRUCU.cLAoTmOR
POWER
SOURCE
LOAD
MISMATCH
~v
ISOLATOR
FIG. 3
SALES OFFICES: VISIT OUR WEB SITE AT
http://www.temex.net
15-3
Vol. 1





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