ISO 9001 ISO 14001 AS 9100 CERTIFIED
Mini-Circuits
®
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
The Design Engineers Search Engine Provides ACTUAL Data Instantly at
®
Notes: 1. Performance and quality attributes and conditions not expressly stated in this specification sheet are intended to be excluded and do not form a part of this specification sheet. 2. Electrical specifications
and performance data contained herein are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions. 3. The parts covered by this specification sheet are subject to
Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled to the rights and benefits contained therein. For a full statement of the Standard
Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp.
For detailed performance specs
& shopping online see web site
minicircuits.com
IF/RF MICROWAVE COMPONENTS
The Big Deal
• LowInsertionLoss(2.0dBtypical)
• Goodclose-inrejection
• Versatilesmallsize,coaxial,1.43"length
Product Overview
TheVBF-1445+BandPassFilterisconstructedusinginternalLTCCBandPassFilterstructuretoachieve
repeatableperformance.Covering1445MHz±25MHz,theseunitsofferlowinsertionlossandgoodrejec-
tionatthebandrejectedges.BuiltusingMini-CircuitsprovenunibodyconstructionwhichintegratestheRF
connectorswiththecasebody,theVBF-1445+takesverylittlespaceandmeetsruggedtestlabsystem
environment.
Feature Advantages
GoodRejectionclosetopassband Providesgoodrejectionofsignalsclosetothepassband,forimprovedsystemperformance.
CompactVersatileCase
(1.43"x0.41")
Enablesuseinavarietyofapplicationsincludingspaceconstrainedconnectorizedsystems.
Connectors:SMAFemale(1),SMAMale(1)
RuggedUnibodyConstruction Mini-CircuitsUnibodyconstructionallowssurvivabilityincriticalapplicationsincludingmilita-
rizedorindustrialsystems.
Key Features
VBF-1445+
50Ω1420to1470MHz
CASESTYLE:FF704
Page1
Coaxial
Bandpass Filter
ISO 9001 ISO 14001 AS 9100 CERTIFIED
Mini-Circuits
®
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
The Design Engineers Search Engine Provides ACTUAL Data Instantly at
®
Notes: 1. Performance and quality attributes and conditions not expressly stated in this specification sheet are intended to be excluded and do not form a part of this specification sheet. 2. Electrical specifications
and performance data contained herein are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions. 3. The parts covered by this specification sheet are subject to
Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled to the rights and benefits contained therein. For a full statement of the Standard
Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp.
For detailed performance specs
& shopping online see web site
minicircuits.com
IF/RF MICROWAVE COMPONENTS
50Ω1420to1470MHz
Coaxial
VBF-1445+
Bandpass Filter
Applications
•HarmonicRejection
•Transmitters/Receivers
Features
•Smallsize
•Temperaturestable
•Ruggedunibodyconstruction
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Sufx has been added in order to identify RoHS
Compliance. See our web site for RoHS Compliance
methodologies and qualications.
Functional Schematic
VBF-1445+
INSERTION LOSS
0
10
20
30
40
50
60
1000 1500 2000 2500 3000
FREQUENCY (MHz)
INSERTION LOSS (dB)
VBF-1445+
INSERTION LOSS
0
20
40
60
80
100
0 1000 2000 3000 4000 5000
FREQUENCY (MHz)
INSERTION LOSS (dB)
1.5
2.0
2.5
3.0
1420 1430 1440 1450 1460 1470
VBF-1445+
VSWR
1
100
10000
0 1000 2000 3000 4000 5000
FREQUENCY (MHz)
VSWR
1.0
2.0
3.0
1420 1430 1440 1450 1460 1470
*Passbandrating,deratelinearlyto0.25Wat100°Cambient
Permanentdamagemayoccurifanyoftheselimitsareexceeded.
REV.B
M129173
VBF-1445+
AD/CP/AM
111107
Maximum Ratings
OperatingTemperature -55°Cto100°C
StorageTemperature -55°Cto100°C
RFPowerInput* 1.5Wmax.at25°C
B D E wt
.410 1.43 .312 grams
10.41 36.32 7.92 10.0
Outline Dimensions ( )
inch
mm
Outline Drawing
CASESTYLE:FF704
Connectors Model Price Qty.
SMA VBF-1445+ $34.95ea. (1-9)
Frequency
(MHz)
Insertion Loss
(dB)
VSWR
(:1)
Typical Performance Data at 25°C
0.30 65.58 1781.84
300.00 37.88 99.19
700.00 38.27 70.89
1000.00 42.94 49.30
1075.00 39.44 40.47
1180.00 21.37 23.31
1300.00 6.24 3.89
1420.00 2.23 1.65
1470.00 2.03 1.31
2050.00 19.89 47.56
2400.00 26.38 60.68
2600.00 29.89 63.30
2800.00 33.65 62.92
3800.00 37.12 47.50
4900.00 32.50 32.93
Electrical Specications at 25°C
Typical Frequency Response
Parameter F# Frequency (MHz) Min. Typ. Max. Unit
Pass Band
CenterFrequency — — — 1445 —MHz
InsertionLoss F1-F2 1420-1470 — — 3.0 dB
VSWR F1-F2 1420-1470 — — 2.5 :1
Stop Band, Lower InsertionLoss DC-F3 DC-1140 —20 —dB
VSWR DC-F3 DC-1140 —25 —:1
Stop Band, Upper InsertionLoss F4-F5 2600-4900 —25 —dB
VSWR F4-F5 2600-4900 —20 —:1
F4F2F1F3
ATTENUATION (dB)
FREQUENCY (MHz)
DC F5
.312 Across Flats
in some models