Model BD0205F5050A00 Rev A Ultra Low Profile 1608 Balun 50Ω to 50Ω Balanced Description The BD0205F5050A00 is a low profile sub-miniature balanced to unbalanced transformer designed for differential input locations 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 device. The BD0205F5050A00 is ideal for high volume manufacturing and is higher performance and smaller form factor than traditional wire wound transformers. The BD0205F5050A00 has an unbalanced port impedance of 50Ω and a 50Ω balanced port impedance. This transformation enables single ended signals to be applied to differential ports on the data converter devices. The output ports have equal amplitude (-3dB) with 180 degree phase differential. The BD0205F5050A00 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) Features: • • • • • • • • • • • 200 – 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 Non-conductive Surface RoHS Compliant Cascadable Configurable as UnUn Transformer Parameter Min. Frequency Unbalanced Port Impedance Balanced Port Impedance Return Loss Insertion Loss* Amplitude Balance Phase Balance CMRR Power Handling 200 Operating Temperature -55 11 Typ. 50 50 13 0.9 0.2 1 36 Max Unit 500 2 MHz Ω Ω dB dB dB Degrees dB Watts +85 ºC 1.1 0.6 3 * Insertion Loss stated at room temperature (Insertion Loss is approximately 0.1 dB higher at +85 ºC) Outline Drawing Available on Tape and Reel for Pick and Place Manufacturing. USA/Canada: Toll Free: Europe: (315) 432-8909 (800) 411-6596 +44 2392-232392 Model BD0205F5050A00 Rev. A Typical Broadband Performance: 0 - 8.0 GHz. Insertion Loss 0 0 -3 -3 -6 -6 -9 -12 -12 -15 -15 CM RR -3 -6 -9 -12 -15 -18 -21 -24 -27 -30 -33 8000 7500 7000 6500 6000 5500 5000 4500 4000 3500 3000 2500 -36 2000 6500 7000 7500 8000 6500 7000 7500 8000 4500 4000 3500 3000 2500 2000 1500 Frequency [MHz] 0 1500 1000 8000 7500 7000 6500 6000 5500 5000 4500 -20 4000 -15 -2 3500 -1.5 3000 -10 2500 -1 2000 -5 1500 -0.5 0 0 500 0 500 6000 5 1000 5500 0.5 1000 6000 10 0 5500 1 500 5000 15 deg 2 1.5 0 [dB] 4500 Phase Balance 20 Frequency [MHz] [dB] 4000 Frequency [MHz] Amplitude Balance Frequency [MHz] USA/Canada: Toll Free: Europe: 5000 Frequency [MHz] 3500 3000 2500 2000 0 8000 7500 7000 6500 6000 5500 5000 4500 4000 3500 3000 -36 2500 -33 -36 2000 -30 -33 1500 -27 -30 1000 -24 -27 0 -21 -24 1500 -18 -21 1000 -18 500 [dB] -9 500 [dB] Return Loss - Input (315) 432-8909 (800) 411-6596 +44 2392-232392 Available on Tape and Reel for Pick and Place Manufacturing. Model BD0205F5050A00 Rev A Typical Performance: 100 MHz. to 600 MHz. Return Loss - Input Insertion Loss 0 0 -0.3 -6 -0.6 -9 -0.9 -12 -1.2 -15 -1.5 [dB] -18 -1.8 -21 -2.1 -24 -2.4 -27 -2.7 -30 -3 -33 -3.3 550 600 550 600 400 350 300 250 -20 100 -2 600 -15 550 -1.5 500 -1 450 -5 -10 400 -0.5 200 0 150 0 350 500 5 300 500 10 0.5 250 450 15 1 deg 1.5 200 400 Phase Balance 20 150 450 Amplitude Balance 2 100 350 Frequency [MHz] Frequency [MHz] [dB] 300 250 100 600 550 500 450 400 350 300 250 200 150 100 200 -3.6 -36 150 [dB] -3 Frequency [MHz] Frequency [MHz] CM RR 0 -6 -12 -18 -24 -36 -42 -48 -54 -60 -66 600 500 400 300 200 -72 100 [dB] -30 Frequency [MHz] Available on Tape and Reel for Pick and Place Manufacturing. USA/Canada: Toll Free: Europe: (315) 432-8909 (800) 411-6596 +44 2392-232392 Model BD0205F5050A00 Rev. A Mounting Configuration: In order for Xinger surface mount components to work optimally, the proper impedance transmission lines must be used to connect to the RF ports. If this condition is not satisfied, insertion loss, Isolation and VSWR may not meet published specifications. All of the Xinger components are constructed from ceramic filled PTFE composites which possess excellent electrical o and mechanical stability having X and Y thermal coefficient of expansion (CTE) of 17 ppm/ 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 accomplished 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 USA/Canada: Toll Free: Europe: (315) 432-8909 (800) 411-6596 +44 2392-232392 With DC Bias Available on Tape and Reel for Pick and Place Manufacturing.