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Coaxial
Bias-Tee
Wideband
Maximum Ratings
Operating Temperature Storage Temperature RF Power Voltage at DC port Input Current
ZFBT-4R2GW+ ZFBT-4R2GW
Features
* wideband, 0.1 to 4200 MHz * low insertion loss, 0.6 dB typ. * good isolation, 40 dB typ.
CASE STYLE: K18 Connectors Model SMA ZFBT-4R2GW BRACKET (OPTION "B") Price $79.95 $2.50 Qty. (1-9) (1+)
0.1 to 4200 MHz
-55C to 100C -55C to 100C 30dBm max. 30V max. 500mA
Applications
* * * * * * biasing amplifiers biasing of laser diodes biasing of active antennas DC return DC blocking test accessory
MODEL NO. FREQ. (MHz)
DC resistance from DC to RF&DC port 4.5 ohm typ.
+ RoHS compliant in accordance with EU Directive (2002/95/EC)
The +Suffix identifies 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
ISOLATION*(dB) (RF port to DC port) (RF&DC port to DC port)
M Typ. 40 Min. 20 Typ. 50 U
INSERTION LOSS* (dB)
VSWR** (:1)
fL
fU 4200
L M U L Typ. Max. Typ. Max. Typ. Max. Typ. Min. 0.15 0.8 0.6 1.2 0.6 1.6 25 15
L M U Min. Typ. Max. Typ. Max. Typ. Max. 20 1.06 1.6 1.13 1.3 1.13 1.3
Outline Drawing
ZFBT-4R2GW(+)
0.1
L= low range(fL to 10 fL) M=mid range(10 fL to fU/2) U=upper range (fU/2 to fU) * Insertion Loss 1 dB Max. and Isolation 7 dB Min. 0.1 to 0.3 MHz. 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
INSERTION LOSS (dB) with current Freq. Pin (MHz) (dBm) 0mA 20mA
0.10 0.27 0.53 1.06 10.00 114.75 324.25 743.25 952.75 1581.25 2000.25 2524.00 3047.75 3676.25 4200.00 4502.50 4802.00 5251.75 5550.75 6000.00 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 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
ISOLATION (dB) (Pin=-10dBm) with current 200mA
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
VSWR (:1) 200mA
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 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
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
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
150mA
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
0mA
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
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
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
150mA
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
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 H .125 1.000 3.18 25.40
2.0
ZFBT-4R2GW INSERTION LOSS WITH CURRENT
0mA
100mA
200mA
60
ZFBT-4R2GW ISOLATION WITH CURRENT
INSERTION LOSS (dB)
.07 grams 1.78 70.0
ISOLATION (dB)
Q
wt
1.6 1.2 0.8 0.4 0.0 0
50 40 30 20 10
0mA
100mA
200mA
1000
2000 3000 4000 FREQUENCY (MHz)
5000
6000
0
1000
2000
3000
4000
5000
6000
FREQUENCY (MHz)
ZFBT-4R2GW VSWR 1.20 1.16
electrical schematic
VSWR
1.12 1.08 1.04 1.00 0 1000 2000 3000 4000 5000 6000 FREQUENCY (MHz)
Distribution Centers NORTH AMERICA 800-654-7949 * 417-335-5935 * Fax 417-335-5945 * EUROPE 44-1252-832600 * Fax 44-1252-837010
Mini-Circuits
(R)
INTERNET http://www.minicircuits.com P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
REV. A M98898 ZFBT-4R2GW DJ/RS/CP 060211
Mini-Circuits ISO 9001 & ISO 14001 Certified

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