Surface Mount
50Ω
RF Transformer
0.1 to 130 MHz
-20°C to 85°C
-55°C to 100°C
0.5W
30mA
ADT8-1T+
ADT8-1T
Maximum Ratings
Operating Temperature
Storage Temperature
RF Power
DC Current
Features
• excellent amplitude unbalance, 0.05 dB typ. in
1 dB bandwidth
• excellent return loss, 20 dB typ. in 1 dB bandwidth
• aqueous washable
• protected under US patent 6,133,525
CASE STYLE: CD637
PRICE: $4.50 ea. QTY (10-49)
PRIMARY DOT
PRIMARY
SECONDARY DOT
SECONDARY
SECONDARY CT
NOT USED
Pin Connections
+ 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.
3
1
4
6
5
2
• impedance matching
• balanced amplifiers
Applications
Transformer Electrical Specifications
Ω
RATIO
FREQUENCY
(MHz)
INSERTION LOSS*
PHASE
UNBALANCE
(Deg.)
Typ.
1 dB
bandwidth
1
2 dB
bandwidth
2
Outline Drawing
AMPLITUDE
UNBALANCE
(dB)
Typ.
1 dB
bandwidth
0.5
2 dB
bandwidth
0.1
3 dB
MHz
8
0.1-130
0.1-130
2 dB
MHz
0.15-110
1 dB
MHz
0.2-75
* Insertion Loss is referenced to mid-band loss, 0.4 dB typ.
PCB Land Pattern
Typical Performance Data
FREQUENCY
(MHz)
Suggested Layout,
Tolerance to be within ±.002
INERTION
LOSS
(dB)
0.47
0.40
0.40
0.37
0.47
0.72
1.08
1.40
1.66
1.80
INPUT
R. LOSS
(dB)
15.05
23.55
29.96
32.82
31.20
16.98
11.97
9.71
8.44
7.87
AMPLITUDE
UNBALANCE
(dB)
0.04
0.04
0.04
0.04
0.04
0.01
0.04
0.09
0.14
0.17
PHASE
UNBALANCE
(Deg.)
0.00
0.00
0.03
0.04
0.91
2.34
3.69
4.78
5.67
6.17
Outline Dimensions (
inch
)
mm
A
.272
6.91
B
.310
7.87
C
.220
5.59
D
.100
2.54
E
.206
5.23
F
.055
1.40
G
.100
2.54
H
.030
0.76
J
.026
0.66
K
.065
1.65
L
.300
7.62
wt
grams
0.40
0.09
0.24
0.57
1.00
35.50
75.00
100.00
115.00
125.00
130.00
Demo Board MCL P/N: TB-42
ADT8-1T
INSERTION LOSS
2.0
INSERTION LOSS (dB)
Config. A
1.6
1.2
0.8
0.4
0.0
0
26
52
78
104
130
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. B
M98898
ADT8-1T
ED-7827/3
WZ/TD/CP
060614
MINI [ MINI-CIRCUITS ]
