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-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 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-1945+ 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-1945+ 50? 1850 to 2040 mhz case style: ff704 page 1 coaxial bandpass filter iso 9001 iso 14001 as 9100 certified min i-cir cuits ? p . o . b ox 3 50166, b r ooklyn, new y ork 1 1 2 3 5-0 003 ( 7 18) 9 3 4-4 500 fax ( 7 1 8 ) 332-4661 the design engi ne ers search engi ne provides actual d ata in stantly a t ? notes: 1. performance and quality attributes and conditions not expr essly stated in this specification sheet ar e intended to be excluded and do not form a part of this specification sheet. 2. electrical specifications and performance data contained her ein ar e based on mini-cir cuit? s applicable established test performance criteria and measur ement instructions. 3. the parts cover ed by this specification sheet ar e subject to mini-cir cuits standar d limited warranty and terms and conditions (collectively , ?standar d t erms?) ; pur chasers of this part ar e entitled to the rights and benefits contained ther ein. for a full statement of the standar d t erms and the exclusive rights and r emedies ther eunder , please visit mini-cir cuits? website at www .minicir cuits.com/mclstor e/terms.jsp. for detailed performance specs & shopping online see web site min icir cuits.c o m if/rf microw a ve components
50? 1850 to 2040 mhz coaxial VBF-1945+ 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 +suffx has been added in order to identify rohs compliance. see our web site for rohs compliance methodologies and qualifcations. VBF-1945+ insertion loss 0 20 40 60 1400 1900 2400 2900 3400 3900 frequency (mhz) insertion loss (db) VBF-1945+ 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 1850 1900 1950 2000 2050 2100 VBF-1945+ vswr 1 100 10000 1000000 0 1000 2000 3000 4000 5000 6000 frequency (mhz) vswr 1.0 2.0 3.0 1850 1900 1950 2000 2050 2100 *passband rating, derate linearly to 0.25w at 100c ambient permanent damage may occur if any of these limits are exceeded. rev. b m129173 VBF-1945+ ad/cp/am 101007 maximum ratings operating temperature -55c to 100c storage temperature -55c to 100c rf power input* 1.5w max. at 25c 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-1945+ $34.95 ea. (1-9) frequency (mhz) insertion loss (db) vswr (:1) typical performance data at 25 c 0.30 67.55 3349.77 300.00 29.47 107.34 1000.00 35.80 69.99 1400.00 52.82 46.90 1550.00 23.37 28.71 1800.00 2.50 1.58 1850.00 2.02 1.58 1900.00 1.88 1.69 2040.00 1.76 1.29 2200.00 5.25 5.68 2500.00 13.24 27.99 2900.00 20.02 53.43 4500.00 46.92 47.55 4900.00 37.86 44.11 5700.00 32.47 27.83 typical frequency response functional schematic rf in rf out parameter f# frequency (mhz) min. typ. max. unit pass band center frequency 1945 mhz insertion loss f1-f2 1850-2040 3.0 db vswr f1-f2 1850-2040 2.5 :1 stop band, lower insertion loss dc-f3 dc-1500 20 db vswr dc-f3 dc-1500 25 :1 stop band, upper insertion loss f4-f5 3600-5700 25 db vswr f4-f5 3600-5700 20 :1 f 4 f 2 f 1 f 3 a t ten uati o n (db) f r equenc y ( mhz) dc f 5 electrical specifcations at 25c outline drawing . 31 2 a c r o ss f l a t s i n s o m e m o de l s iso 9001 iso 14001 as 9100 certified min i-cir cuits ? p . o . b ox 3 50166, b r ooklyn, new y ork 1 1 2 3 5-0 003 ( 7 18) 9 3 4-4 500 fax ( 7 1 8 ) 332-4661 the design engi ne ers search engi ne provides actual d ata in stantly a t ? notes: 1. performance and quality attributes and conditions not expr essly stated in this specification sheet ar e intended to be excluded and do not form a part of this specification sheet. 2. electrical specifications and performance data contained her ein ar e based on mini-cir cuit? s applicable established test performance criteria and measur ement instructions. 3. the parts cover ed by this specification sheet ar e subject to mini-cir cuits standar d limited warranty and terms and conditions (collectively , ?standar d t erms?) ; pur chasers of this part ar e entitled to the rights and benefits contained ther ein. for a full statement of the standar d t erms and the exclusive rights and r emedies ther eunder , please visit mini-cir cuits? website at www .minicir cuits.com/mclstor e/terms.jsp. for detailed performance specs & shopping online see web site min icir cuits.c o m if/rf microw a ve components
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