available on tape and reel for pick and place manufacturing. usa/canada: toll free: europe : (315) 4328909 (800) 4116596 +44 2392232392 model BD4859N5050AHF rev a ultra low profile 0404 balun 50 to 50 balanced description the b4859n5050ahf is a low cost, low prof ile subminiature unbalanced to balanced transformer designed for differential inpu ts and output locations on modern chipsets in an easy to use surface mount package co vering 802.11a uniband ii & iii and the japanese ism band (4.9 ghz). the b4859n 5050ahf is ideal for high volume manufacturing and delivers higher performanc e than traditional ceramic baluns. the b4859n5050ahf has an unbalanced port im pedance of 50 and a 50 balanced port impedance. this transformation enabl es single ended signals to be applied to differential ports on modern integrat ed chipsets. the output ports have equal amplitude (3db) with 180 degree phase differ ential. the b4859n5050ahf is available on tape and reel for pick and place high volume manufacturing. detailed electrical specifications: specifications subject to change without notice. room (25 c) parameter min. typ. max unit frequency 4800 5900 mhz unbalanced port impedance 50 balanced port impedance 50 return loss 16 22 db insertion loss* 0.5 0.7 db amplitude balance 0.7 1.2 db phase balance 3 7 degrees cmrr 27 db power handling 1.0 watts features: ? 4800 C 5900 mhz ? 0.56 mm height profile ? 50 ohm to 2 x 25 ohm ? low insertion loss ? 802.11a uniband ii & iii ? home cordless compliant ? surface mountable ? tape & reel ? nonconductive surface ? rohs compliant ? halogen free operating temperature 55 +85 oc * insertion loss stated at room temperature (insert ion loss is approximately 0.1 db higher at +85 oc) outline drawing mechanical outline dimensions are in inches [millimeters] tolerances are noncumulative bottom view (farside) side view top view (nearside) unbalanced port gnd / dc feed + rf gnd 4 3 designation pin 1 2 1 2 3 4 balanced port .041 .004 [1.04 0.10 ] .041 .004 [1.04 0.10 ] .022 .002 [0.56 0.05 ] .020 [0.51] .020 [0.51] 3x.010 [0.25] 3x.010 [0.25] balanced port .012 [0.30] .012 [0.30]
usa/canada: toll free: europe: (315) 4328909 (800) 4116596 +44 2392232392 available on tape and reel for pick and place manufacturing. model BD4859N5050AHF rev a typical performance:4700 mhz. to 6000 mhz. return loss input 36 33 30 27 24 21 18 15 12 9 6 3 0 4700 4800 4900 5000 5100 5200 5300 5400 5500 5600 5700 5800 5900 6000 frequency [mhz] [db] insertion loss 3.6 3.3 3 2.7 2.4 2.1 1.8 1.5 1.2 0.9 0.6 0.3 0 4700 4800 4900 5000 5100 5200 5300 5400 5500 5600 5700 5800 5900 6000 frequency [mhz] [db] amplitude balance 2 1.5 1 0.5 0 0.5 1 1.5 2 4700 4800 4900 5000 5100 5200 5300 5400 5500 5600 5700 5800 5900 6000 frequency [mhz] [db] phase balance 20 15 10 5 0 5 10 15 20 4700 4800 4900 5000 5100 5200 5300 5400 5500 5600 5700 5800 5900 6000 frequency [mhz] deg cmrr 36 33 30 27 24 21 18 15 12 9 6 3 0 4700 4800 4900 5000 5100 5200 5300 5400 5500 5600 5700 5800 5900 6000 frequency [mhz] [db]
available on tape and reel for pick and place manufacturing. usa/canada: toll free: europe : (315) 4328909 (800) 4116596 +44 2392232392 model BD4859N5050AHF rev a wide band performance: 500 mhz. to 8500 mhz. return loss input 36 33 30 27 24 21 18 15 12 9 6 3 0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 8500 frequency [mhz] [db] insertion loss 3.6 3.3 3 2.7 2.4 2.1 1.8 1.5 1.2 0.9 0.6 0.3 0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 8500 frequency [mhz] [db] amplitude balance 2 1.5 1 0.5 0 0.5 1 1.5 2 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 8500 frequency [mhz] [db] phase balance 20 15 10 5 0 5 10 15 20 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 8500 frequency [mhz] deg cmrr 36 33 30 27 24 21 18 15 12 9 6 3 0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 8500 frequency [mhz] [db]
usa/canada: toll free: europe: (315) 4328909 (800) 4116596 +44 2392232392 available on tape and reel for pick and place manufacturing. model BD4859N5050AHF rev a mounting configuration: in order for xinger surface mount components to wor k optimally, the proper impedance transmission line s must be used to connect to the rf ports. if this condition is not satisfied, insertion loss, isolation and vs wr may not meet published specifications. all of the xinger components are constructed from c eramic filled ptfe composites which possess excelle nt electrical and mechanical stability having x and y thermal coe fficient of expansion (cte) of 17 ppm/ o c. an example of the pcb footprint used in the testing of these parts is shown below. an example of a dc biased footprint is also shown below. in specific designs , the transmission line widths need to be adjusted to the unique dielectric coefficients and thicknesses as well as varying pick and place equipment tolerances with no dc bias with dc bias solder resist footprint pad (s) circuit pattern dimensions are in inches [millimeters] mounting footprint plated thru hole to ground 3x transmission line .020 [0.51] .014 [0.36] .008 [0.20] 3x .011 [0.28] sq plated thru hole to ground 3x transmission line 3x .011 [0.28] 3x .011 [0.28] .020 [0.51] .014 [0.36] .008 [0.20] .008 [0.20] solder resist footprint pad (s) circuit pattern dimensions are in inches [millimeters] .020 [0.51]
available on tape and reel for pick and place manufacturing. usa/canada: toll free: europe : (315) 4328909 (800) 4116596 +44 2392232392 model BD4859N5050AHF rev a packaging and ordering information parts are available in reel and are packaged per ei a 4812. parts are oriented in tape and reel as sh own below. minimum order quantities are 4000 per reel. see model numbers be low for further ordering information . b ?a ?c reel dimensions (inches [mm]) ?a b ?c 0.32 [8.0] 2.0 [50.8] 7.00 [177.8] 4000 quantity/reel table 1 ?d 0.512 [13.0] ?d
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