Coaxial Bandpass Filter VBF-1945+ 50 1850 to 2040 MHz The Big Deal * Low Insertion Loss (2.0 dB typical) * Good close-in rejection * Versatile small size, coaxial, 1.43" length CASE STYLE: FF704 Product Overview The VBF-1945+ Band Pass Filter is constructed using internal LTCC Band Pass Filter structure to achieve repeatable performance. Covering 1945 MHz 95 MHz, these units offer low insertion loss and good rejection at the band reject edges. Built using Mini-Circuits proven unibody construction which integrates the RF connectors with the case body, the VBF-1945+ takes very little space and meets rugged test lab system environment. Key Features 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 militarized or industrial systems. Mini-Circuits (R) ISO 9001 ISO 14001 AS 9100 CERTIFIED P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 The Design Engineers Search Engine For detailed performance specs & shopping online see web site (R) Provides ACTUAL Data Instantly at minicircuits.com IF/RF MICROWAVE COMPONENTS 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. Page 1 Coaxial Bandpass Filter VBF-1945+ 50 1850 to 2040 MHz Maximum Ratings Features Operating Temperature -55C to 100C Storage Temperature -55C to 100C RF Power Input* 1.5W max. at 25C *Passband rating, derate linearly to 0.25W at 100C ambient Permanent damage may occur if any of these limits are exceeded. * Small size * Temperature stable * Rugged unibody construction CASE STYLE: FF704 Connectors SMA Model VBF-1945+ Price Qty. $34.95 ea. (1-9) + RoHS compliant in accordance with EU Directive (2002/95/EC) Applications * Harmonic Rejection * Transmitters / Receivers The +Suffix has been added in order to identify RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications. Electrical Specifications at 25C Outline Drawing Parameter Pass Band Stop Band, Lower Stop Band, Upper .312 Across Flats in some models Center Frequency Insertion Loss VSWR Insertion Loss VSWR Insertion Loss VSWR F# Frequency (MHz) Min. Typ. Max. Unit -- F1-F2 F1-F2 -- 1850-2040 1850-2040 -- -- -- 1945 -- -- -- 3.0 2.5 MHz dB :1 DC-F3 DC-F3 DC-1500 DC-1500 -- -- 20 25 -- -- dB F4-F5 F4-F5 3600-5700 3600-5700 -- -- 25 20 -- -- dB :1 Typical Frequency Response :1 ATTENUATION (dB) Functional Schematic DC Outline Dimensions ( inch mm ) B .410 10.41 D 1.43 36.32 E wt .312 grams 7.92 10.0 F5 Typical Performance Data at 25C VBF-1945+ INSERTION LOSS 100 F3 F1 F2 F4 FREQUENCY (MHz) Frequency (MHz) Insertion Loss (dB) VSWR (:1) 0.30 300.00 1000.00 1400.00 1550.00 67.55 29.47 35.80 52.82 23.37 3349.77 107.34 69.99 46.90 28.71 1800.00 1850.00 1900.00 2040.00 2200.00 2.50 2.02 1.88 1.76 5.25 1.58 1.58 1.69 1.29 5.68 2500.00 2900.00 4500.00 4900.00 5700.00 13.24 20.02 46.92 37.86 32.47 27.99 53.43 47.55 44.11 27.83 VBF-1945+ INSERTION LOSS 60 VBF-1945+ VSWR 1000000 3.0 2.0 1.0 1850 1900 1950 2000 2050 2100 60 40 20 0 0 1000 2000 3000 4000 FREQUENCY (MHz) 5000 6000 2.0 10000 40 VSWR 3.0 INSERTION LOSS (dB) INSERTION LOSS (dB) 4.0 80 100 20 0 1400 1.0 1850 1900 1950 2000 2050 2100 1 1900 2400 2900 FREQUENCY (MHz) 3400 0 3900 Mini-Circuits (R) ISO 9001 ISO 14001 AS 9100 CERTIFIED P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 The Design Engineers Search Engine 1000 2000 3000 4000 FREQUENCY (MHz) 5000 6000 For detailed performance specs & shopping online see web site (R) Provides ACTUAL Data Instantly at minicircuits.com IF/RF MICROWAVE COMPONENTS 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. REV. B M129173 VBF-1945+ AD/CP/AM 111107