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