Coaxial
Bias-Tee
Wideband
Maximum Ratings
Operating Temperature
Storage Temperature
RF Power
Voltage at DC port
Input Current
-55°C to 100°C
-55°C to 100°C
30dBm max.
30V max.
500mA
ZFBT-6G-FT+
ZFBT-6G-FT
Features
• wideband, 10-6000 MHz
• low insertion loss, 0.6 dB typ
• feed through terminal per DC port
CASE STYLE: Y460
Connectors
Model
Price
SMA
ZFBT-6G-FT(+) $79.95
BRACKET (OPTION “B”)
$2.50
Qty.
(1-9)
(1+)
10 to 6000 MHz
Applications
•
•
•
•
•
•
biasing amplifiers
biasing of laser diodes
biasing of active antennas
DC return
DC blocking
test accessory
MODEL
NO.
FREQ.
(MHz)
INSERTION LOSS*
(dB)
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
GND
in (SMA female)
out (SMA male)
Bias Tee Electrical Specifications
ISOLATION*(dB)
(RF port to DC port)
(RF&DC port to DC port)
M
Typ.
—
Min.
—
Typ.
—
U
(feed-through pin)
GND
VSWR**
(:1)
Outline Drawing
f
L
ZFBT-6G-T
(+)
f
U
6000
L
M
U
L
Typ. Max. Typ. Max. Typ. Max. Typ. Min.
0.15
0.6
0.6
1.4
1.0
2.2
—
—
L
M
U
Min. Typ. Max. Typ. Max. Typ. Max.
—
1.06
1.2
1.13
1.3
1.13
1.5
10
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 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
B
C
D
1.25
1.25
.75
.63
31.75 31.75 19.05 16.00
L
M
2.18 1.688
55.37 42.88
E
F
.36 1.000
9.14 25.40
G
1.000
25.40
S
.45
11.43
H
.125
3.18
S
.29
7.37
J
K
.125
.46
3.18 11.68
wt.
grams
38
N
P
Q
R
.06
.750
.50
.80
1.52 19.05 12.70 20.32
ZFBT-6G-FT
INSERTION LOSS WITH CURRENT
2.0
ZFBT-6G-FT
ISOLATION WITH CURRENT
60
INSERTION LOSS (dB)
0mA
1.6
1.2
0.8
0.4
0.0
0
1000
100mA
200mA
ISOLATION (dB)
50
40
30
20
0mA
10
100mA
2000
3000
200mA
4000
5000
6000
2000
3000
4000
FREQUENCY (MHz)
ZFBT-6G-FT
VSWR
5000
6000
0
1000
FREQUENCY (MHz)
electrical schematic
1.20
1.16
VSWR
1.12
1.08
1.04
1.00
0
1000
2000
3000
4000
5000
6000
®
EW
ALL N
FREQUENCY (MHz)
Mini-Circuits
ISO 9001 ISO 14001
CERTIFIED
RF/IF MICROWAVE COMPONENTS
minicircuits.com
REV. A
M98898
ZFBT-6G-FT
DJ/RS/CP
070316
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
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