Coaxial Bias-Tee 50Ω Wideband ZFBT-4R2G+ 10 to 4200 MHz Maximum Ratings Features Operating Temperature -55°C to 100°C Storage Temperature -55°C to 100°C RF Power 30 dBm max. Voltage at DC port 30 V max. Input Current 500 mA DC resistance from DC to RF&DC port 4.5 ohm typ. Coaxial Connections RF 1 (SMA female) RF&DC 2 (SMA male) DC • wideband, 10 to 4200 MHz • low insertion loss, 0.6 dB typ. • good isolation, 40 dB typ. Applications Price $59.95 $2.50 Qty. (1-9) (1+) + RoHS compliant in accordance with EU Directive (2002/95/EC) • biasing amplifiers • biasing of laser diodes • biasing of active antennas • DC return • DC blocking • test accessory The +Suffix has been added in order to identify RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications. Bias-Tee Electrical Specifications 3 (SMA female) FREQUENCY (MHz) Outline Drawing CASE STYLE: K18 Connectors Model SMA ZFBT-4R2G+ BRACKET (OPTION “B”) INSERTION LOSS* (dB) ISOLATION* (dB) (RF port to DC port) (RF&DC port to DC port) VSWR** (:1) L M U L M U L M U fL fU Typ. Max. Typ. Max. Typ. Max. Typ. Min. Typ. Min. Typ. Min. Typ. Max. Typ. Max. Typ. Max. 10 4200 0.15 0.6 0.6 0.6 1.06 1.2 1.13 1.3 1.13 1.3 1.2 1.6 32 20 40 20 50 20 M= mid range (10 fL to fU/2) U= upper range (fU/2 to fU) L= low range (fL to 10 fL) * Insertion Loss and Isolation are guaranteed up to 20 dBm-RF power and 200mA DC current. **VSWR measured with open and short at DC port. Typical Performance Data Freq. (MHz) Outline Dimensions ( inch mm ) A 1.25 31.75 B 1.25 31.75 C .75 19.05 D .63 16.00 E .38 9.65 F 1.00 25.40 G .125 3.18 H 1.000 25.40 J --- K --- L .125 3.18 M 1.688 42.88 N 2.18 55.37 P .75 19.05 Q wt .07 grams 1.78 70.0 Pin (dBm) INSERTION LOSS (dB) with Current 0mA 20mA 50mA ISOLATION (dB) (Pin= -10dBm) with current 100mA 150mA 200mA 10mA 20mA 50mA VSWR (:1) 100mA 150mA 200mA 0.10 0.27 0.53 1.06 10.00 19.80 19.80 19.80 19.80 18.50 0.17 0.13 0.12 0.13 0.16 0.17 0.13 0.12 0.13 0.17 0.16 0.13 0.12 0.12 0.17 0.17 0.14 0.11 0.11 0.16 0.20 0.14 0.11 0.12 0.16 0.24 0.15 0.11 0.12 0.16 19.46 25.86 29.17 30.81 30.06 19.04 25.53 28.98 30.74 30.07 17.83 24.52 28.36 30.56 30.07 14.58 21.43 26.18 29.62 30.20 12.66 19.31 24.40 28.62 30.38 11.75 18.16 23.37 27.92 30.56 1.16 1.07 1.04 1.02 1.04 114.75 324.25 743.25 952.75 1581.25 19.50 19.70 18.70 18.20 18.00 0.22 0.50 0.28 0.31 0.46 0.25 0.55 0.31 0.33 0.48 0.24 0.53 0.30 0.33 0.47 0.22 0.52 0.29 0.31 0.46 0.22 0.53 0.29 0.32 0.48 0.22 0.56 0.29 0.33 0.49 34.45 44.65 51.19 40.75 42.58 34.49 44.61 50.50 40.80 42.59 34.27 44.25 50.16 40.97 43.94 33.99 43.90 50.65 40.97 43.77 33.83 43.91 51.69 40.93 44.36 33.59 43.34 52.47 40.95 44.17 1.07 1.06 1.06 1.11 1.13 2000.25 2524.00 3047.75 3676.25 4200.00 17.10 14.40 14.20 15.10 17.90 0.46 0.40 0.45 0.73 1.04 0.48 0.42 0.48 0.74 1.07 0.47 0.41 0.47 0.75 1.07 0.46 0.42 0.46 0.75 1.06 0.46 0.43 0.46 0.75 1.05 0.47 0.44 0.49 0.75 1.06 45.46 53.15 52.46 46.32 28.42 45.57 53.72 52.25 47.19 28.36 45.73 52.19 51.55 46.36 28.24 45.48 53.17 51.33 45.53 28.14 46.14 52.67 51.46 46.19 28.01 45.28 53.67 50.99 45.65 27.92 1.12 1.12 1.09 1.07 1.09 4502.50 4802.00 5251.75 5550.75 6000.00 -0.60 -0.70 -1.10 -2.00 -2.40 1.17 1.26 1.19 1.65 1.70 1.19 1.26 1.17 1.63 1.71 1.18 1.27 1.16 1.60 1.65 1.19 1.25 1.13 1.56 1.59 1.17 1.22 1.11 1.54 1.54 1.16 1.20 1.09 1.51 1.50 28.15 37.95 49.68 38.44 34.37 28.10 38.01 51.04 38.56 34.36 28.05 38.19 49.12 38.36 34.23 27.96 37.93 49.37 38.07 34.40 27.84 37.58 49.13 37.85 34.49 27.87 37.51 48.19 38.19 34.48 1.14 1.12 1.11 1.10 1.12 Electrical Schematic ® Mini-Circuits EW ALL N minicircuits.com ISO 9001 ISO 14001 CERTIFIED P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 For detailed performance specs & shopping online see Mini-Circuits web site The Design Engineers Search Engine Provides ACTUAL Data Instantly From MINI-CIRCUITS At: www.minicircuits.com RF/IF MICROWAVE COMPONENTS REV. B M108294 ZFBT-4R2G+ DJ/RS/CP 080220 Page 1 of 2 ZFBT-4R2G+ Performance Charts ZFBT-4R2G+ INSERTION LOSS WITH CURRENT ZFBT-4R2G+ ISOLATION WITH CURRENT 60 0mA 100mA 200mA 1.6 ISOLATION (dB) INSERTION LOSS (dB) 2.0 1.2 0.8 50 40 30 20 0.4 10mA 100mA 200mA 10 0.0 0 1000 2000 3000 4000 FREQUENCY (MHz) 5000 6000 5000 6000 0 1000 2000 3000 4000 FREQUENCY (MHz) 5000 6000 ZFBT-4R2G+ VSWR 1.20 VSWR 1.16 1.12 1.08 1.04 1.00 0 1000 2000 3000 4000 FREQUENCY (MHz) ® Mini-Circuits EW ALL N minicircuits.com ISO 9001 ISO 14001 CERTIFIED P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 For detailed performance specs & shopping online see Mini-Circuits web site The Design Engineers Search Engine Provides ACTUAL Data Instantly From MINI-CIRCUITS At: www.minicircuits.com RF/IF MICROWAVE COMPONENTS Page 2 of 2