available on tape and reel for pick and place manufacturing. usa/canada: toll free: europe : (315) 4328909 (800) 4116596 +44 2392232392 model b d 0 205 f 50 50 a00 rev a ultra low profile 1608 balun 50 to 50 balanced description the BD0205F5050A00 is a low profile subm iniature balanced to unbalanced transformer designed for differential input locatio ns on data conversion devices such as a to d and d to a converters. in an easy to use surface mount package covering 200 mhz to 500 mhz and with cmrr performances over 2x that of the incumbent wire wound products, this transformer is optimized to offer improved sfdr management during operation of the data converter d evice. the BD0205F5050A00 is ideal for high volume manufacturing and is highe r performance and smaller form factor than traditional wire wound transformers. th e BD0205F5050A00 has an unbalanced port impedance of 50 and a 50 balanced port impedance. this transformation enables single ended signals to be a pplied to differential ports on the data converter devices. the output ports have equal amplitude (3db) with 180 degree phase differential. the BD0205F5050A00 is av ailable 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 200 500 mhz unbalanced port impedance 50 balanced port impedance 50 return loss 11 13 db insertion loss* 0.9 1.1 db amplitude balance 0.2 0.6 db phase balance 1 3 degrees cmrr 36 db power handling 2 watts features: ? 200 C 500 mhz ? 0.74 mm height profile ? 50 ohm to 2 x 25 ohm ? excellent cmrr ? input to output dc isolation ? surface mountable ? tape & reel ? nonconductive surface ? rohs compliant ? cascadable ? configurable as unun transformer 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
usa/canada: toll free: europe: (315) 4328909 (800) 4116596 +44 2392232392 available on tape and reel for pick and place manufacturing. mod el b d 0 2 0 5 f 50 50 a00 rev. a typical broadband performance: 0 8.0 ghz. return loss input 36 33 30 27 24 21 18 15 12 9 6 3 0 0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 frequency [mhz] [db] insertion loss 36 33 30 27 24 21 18 15 12 9 6 3 0 0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 frequency [mhz] [db] amplitude balance 2 1.5 1 0.5 0 0.5 1 1.5 2 0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 frequency [mhz] [db] phase balance 20 15 10 5 0 5 10 15 20 0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 frequency [mhz] deg cm rr 36 33 30 27 24 21 18 15 12 9 6 3 0 0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 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 b d 0 205 f 50 50 a00 rev a typical performance: 100 mhz. to 600 mhz. return loss input 36 33 30 27 24 21 18 15 12 9 6 3 0 100 150 200 250 300 350 400 450 500 550 600 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 0 100 150 200 250 300 350 400 450 500 550 600 frequency [mhz] [db] amplitude balance 2 1.5 1 0.5 0 0.5 1 1.5 2 100 150 200 250 300 350 400 450 500 550 600 frequency [mhz] [db] phase balance 20 15 10 5 0 5 10 15 20 100 150 200 250 300 350 400 450 500 550 600 frequency [mhz] deg cm rr 72 66 60 54 48 42 36 30 24 18 12 6 0 100 200 300 400 500 600 frequency [mhz] [db]
usa/canada: toll free: europe: (315) 4328909 (800) 4116596 +44 2392232392 available on tape and reel for pick and place manufacturing. mod el b d 0 2 0 5 f 50 50 a00 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. if desired, dc biasing through the part may be acco mplished by the addition of an inductor on pin #7. pins #6 and #8 are dc connected to pin #7. the inductor should be of sufficient value to provide rf isolation on pin #7. no dc bias with dc bias
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