Coaxial
ZX85-12G+
Bias-Tee
Wideband
0.2 to 12000 MHz
Features
Maximum Ratings
Operating Temperature
-55°C to 100°C
-55°C to 100°C
30dBm
• wideband, 0.2 to 12000 MHz
• low insertion loss, 0.6 dB typ.
• high current capability, 400 mA
• small size 0.74" x 0.75" x 0.46"
• rugged unibody construction
• protected by US patent 6,790,049
• additional patent pending
Storage Temperature
RF Power
CASE STYLE: GC957
Connectors
Model
Price
Qty.
Voltage at DC port
DC Current
25V
SMA
ZX85-12G-S+
$99.95
(1-9)
400mA
DC resistance from DC to RF&DC port 1.8Ω
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +suffix has been added in order to identify RoHS
Compliance. There has been no change to the model's
material, form, fit, or function. See our web site for RoHS
Compliance methodologies and qualifications.
Applications
• biasing amplifiers
• biasing of laser diodes
• biasing of active antennas
• DC return
Coaxial Connections
RF
OUT
IN
RF&DC
DC
V+
• DC blocking
• test accessory
Outline Drawing
Bias Tee Electrical Specifications
MODEL
NO.
FREQ.
(MHz)
INSERTION LOSS*
(dB)
VSWR
(:1)
L
M
U
L
M
U
f
L
f
U
Typ.
0.10
Max.
0.50
Typ.
0.60
Max.
1.50
Typ.
1.00
Max.
2.50
Typ.
1.10
Max.
1.50
Typ.
1.20
Max.
1.50
Typ.
1.20
Max.
1.50
ZX85-12G+
0.2
12000
L= low range(fL to 10 fL)
M=mid range(10 fL to fU/2)
U=upper range (fU/2 to fU)
*Insertion Loss and VSWR are guaranteed up to 20 dBm RF power and 200mA DC current.
ZX85-12G+
INSERTION LOSS vs. TEMPERATURE
ZX85-12G+
INSERTION LOSS vs CURRENT
2.0
2.00
-55°C
+25°C
100°C
0 mA
200 mA
1.5
1.0
0.5
0.0
1.50
1.00
0.50
0.00
0
0
0
2000
4000
6000
8000
10000 12000
0
2000
4000
6000
8000 10000 12000
FREQUENCY (MHz)
FREQUENCY (MHz)
ZX85-12G+
ZX85-12G+
VSWR RF vs TEMPERATURE
VSWR RF vs. CURRENT
1.3
1.2
1.1
1.0
1.3
1.2
1.1
1.0
-55°C
+25°C
100°C
0 mA
200 mA
inch
Outline Dimensions (
)
mm
A
B
C
D
E
.04
1.0
F
G
H
J
.33
8.4
.74
.75
.46 1.18
.17
.45
.59
18.8 19.1 11.7 30.0
4.3 11.4 15.0
2000
4000
6000
8000
10000 12000
0
2000
4000
6000
8000
10000 12000
K
.21
5.3
L
.22
5.6
M
N
P
.37
9.4
Q
.18
4.6
R
.09
2.3
wt
grams
23.0
FREQUENCY (MHz)
FREQUENCY (MHz)
.18 1.00
4.6 25.4
ZX85-12G+
ZX85-12G+
VSWR RF&DC vs TEMPERATURE
-55°C +25°C 100°C
VSWR RF&DC vs CURRENT
1.5
1.4
1.3
1.2
1.1
1.0
1.4
1.3
1.2
1.1
1.0
0 mA
200 mA
electrical schematic
DC
C
0
2000
4000
6000
8000
10000 12000
2000
4000
6000
8000
10000 12000
C
FREQUENCY (MHz)
FREQUENCY (MHz)
RF
RF&DC
®
INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
REV. OR
M101802
ZX85-12G
ED-12027/6
DJ/RS/CP
051228
Mini-Circuits
Distribution Centers NORTH AMERICA 800-654-7949 • 417-335-5935 • Fax 417-335-5945 •EUROPE 44-1252-832600 • Fax 44-1252-837010
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