Coaxial
Bias-Tee
Wideband
Maximum Ratings
Operating Temperature
Storage Temperature
RF Power
Voltage at DC port
Input Current
ZFBT-4R2GW-FT+
ZFBT-4R2GW-FT
Features
• wideband, 0.1-4200 MHz
• low insertion loss, 0.6 dB typ
• feed through terminal per DC port
CASE STYLE: Y460
Connectors
Model
SMA
ZFBT-4R2GW-FT
BRACKET (OPTION “B”)
Price
$79.95
$2.50
Qty.
(1-9)
(1+)
0.1 to 4200 MHz
-55°C to 100°C
-55°C to 100°C
30dBm max.
30V max.
500mA
Applications
•
•
•
•
•
•
DC resistance from DC to RF&DC port 4.5 ohm typ.
Coaxial Connections
RF
RF&DC
DC
GND
in (SMA female)
out (SMA male)
+15 (feed-through pin)
GND
biasing amplifiers
biasing of laser diodes
biasing of active antennas
DC return
DC blocking
test accessory
MODEL
NO.
FREQ.
(MHz)
+ 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.
Bias Tee Electrical Specifications
INSERTION LOSS*
(dB)
ISOLATION*(dB)
(RF port to DC port)
(RF&DC port to DC port)
M
Typ.
—
Min.
—
Typ.
—
U
VSWR**
(:1)
f
L
ZFBT-4R2GW-FT
(+)
0.1
f
U
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
—
—
L
M
U
Min. Typ. Max. Typ. Max. Typ. Max.
—
1.06
1.6
1.13
1.3
1.13
1.3
Outline Drawing
L= low range(f
L
to 10 f
L
)
M=mid range(10 f
L
to f
U
/2)
U=upper range (f
U
/2 to f
U
)
* 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 (
A
1.25
B
1.25
C
.75
D
.63
E
F
G
.36 1.000 1.000
9.14 25.40 25.40
Q
.50
R
.80
S
.45
inch
mm
H
)
INSERTION LOSS (dB)
2.0
ZFBT-4R2GW-FT
INSERTION LOSS WITH CURRENT
0mA
100mA
200mA
60
ZFBT-4R2GW-FT
ISOLATION WITH CURRENT
J
.125
K
.46
.125
3.18
S
.29
7.37
ISOLATION (dB)
1.6
1.2
0.8
0.4
0.0
0
50
40
30
20
10
0mA
100mA
200mA
31.75 31.75 19.05 16.00
L
M
N
.06
P
.750
3.18 11.68
wt.
grams
38
2.18 1.688
55.37 42.88
1.52 19.05 12.70 20.32 11.43
1000
2000
3000
4000
FREQUENCY (MHz)
5000
6000
0
1000
2000
3000
4000
5000
6000
FREQUENCY (MHz)
ZFBT-4R2GW-FT
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
®
INTERNET
http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Mini-Circuits
ISO 9001 & ISO 14001
Certified
REV. A
M98898
ZFBT-4R2GW-FT
DJ/RS/CP
060211