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-1855+BandPassFilterisconstructedusinginternalLTCCBandPassFilterstructuretoachieve
repeatableperformance.Covering1855MHz±65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-1855+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-1855+
50Ω1790to1920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1790to1920MHz
Coaxial
VBF-1855+
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.
VBF-1855+
INSERTION LOSS
0
20
40
60
1300 1820 2340 2860 3380 3900
FREQUENCY (MHz)
INSERTION LOSS (dB)
VBF-1855+
INSERTION LOSS
0
20
40
60
80
100
0 1000 2000 3000 4000 5000 6000
FREQUENCY (MHz)
INSERTION LOSS (dB)
1.0
2.0
3.0
4.0
5.0
1800 1850 1900 1950
VBF-1855+
VSWR
1
100
10000
0 1000 2000 3000 4000 5000 6000
FREQUENCY (MHz)
VSWR
1.0
2.0
3.0
1800 1850 1900 1950
*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-1855+
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
CASESTYLE:FF704
Connectors Model Price Qty.
SMA VBF-1855+ $34.95ea. (1-9)
Frequency
(MHz)
Insertion Loss
(dB)
VSWR
(:1)
Typical Performance Data at 25°C
0.30 67.54 1012.60
300.00 29.56 96.71
500.00 39.87 80.77
1000.00 34.53 59.27
1200.00 37.32 48.68
1400.00 26.13 29.80
1500.00 14.77 15.06
1800.00 1.74 1.53
1920.00 1.94 1.56
2410.00 14.03 29.22
2802.00 20.15 47.26
3900.00 35.44 43.70
4200.00 43.45 40.72
4800.00 39.10 36.62
5700.00 26.57 20.16
Electrical Specications at 25°C
Typical Frequency Response Functional Schematic
Parameter F# Frequency (MHz) Min. Typ. Max. Unit
Pass Band
CenterFrequency — — — 1855 —MHz
InsertionLoss F1-F2 1790-1920 — — 3.0 dB
VSWR F1-F2 1790-1920 — — 2.5 :1
Stop Band, Lower InsertionLoss DC-F3 DC-1400 —20 —dB
VSWR DC-F3 DC-1400 —25 —:1
Stop Band, Upper InsertionLoss F4-F5 3700-5500 —25 —dB
VSWR F4-F5 3700-5500 —20 —:1
F4F2F1F3
ATTENUATION (dB)
FREQUENCY (MHz)
DC F5
Outline Drawing
.312 Across Flats
in some models