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Notes: 1. Performance and quality attributes and conditions not expressly stated in this specification sheet are intended to be excluded and do not form a part of this specification sheet. 2. Electrical specifications
and performance data contained herein are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions. 3. The parts covered by this specification sheet are subject to
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IF/RF MICROWAVE COMPONENTS
RF Transformer
Surface Mount
ADT1.5-122+
CASE STYLE: CD542
PRICE: $2.95 ea. QTY (10-49)
Maximum Ratings
Pin Connections
Features
Applications
Operating Temperature
-40°C to 85°C
Storage Temperature
-55°C to 100°C
RF Power
0.5W
DC Current
30mA
Outline Drawing
Transformer Electrical Specifications
REV. A
M108864
ADT1.5-122+
ED-12126B/4
DJ/TD/CP/AM
080627
Typical Performance Data
PCB Land Pattern
Suggested Layout,
Tolerance to be within ±.002
Outline Dimensions (
)
inch
mm
A
B
C
D
E
F
G
.272
.310
.220
.100
.112
.055
.100
6.91
7.87
5.59
2.54
2.84
1.40
2.54
H
J
K
L
wt
.030
.026
.065
.300
grams
0.76
0.66
1.65
7.62
0.20
excellent return loss, 19 dB typ. in 1 dB bandwidth
good amplitude unbalance, .25 dB typ. and
phase unbalance, 1.0 deg. typ in 1dB bandwidth
good insertrion loss flatness from 50 MHz to 850 MHz
aqueous washable
protected under US patent 6,133,525
impedance matching
balanced amplifier
cable TV
PRIMARY DOT, 50 unbalanced
3
PRIMARY
1 & 2 connect to GND
SECONDARY DOT, 75 balanced
4
SECONDARY, 75 balanced
6
NOT USED
5
50
20 to 1200 MHz
* Insertion Loss is referenced to mid-band loss, 1 dB typ.
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix has been added in order to identify RoHS
Compliance. See our web site for RoHS Compliance
methodologies and qualifications.
RATIO
(Secondary/Primary)
FREQUENCY
(MHz)
INSERTION LOSS*
PHASE
UNBALANCE
(Deg.)
Typ.
AMPLITUDE
UNBALANCE
(dB)
Typ.
3 dB
MHz
2 dB
MHz
1 dB
MHz
1 dB
bandwidth
2 dB
bandwidth
1 dB
bandwidth
2 dB
bandwidth
1.5
20-1200
—
20-1200
50-1000
1.0
1.2
.25
.35
FREQUENCY
(MHz)
INSERTION
LOSS
(dB)
INPUT
R. LOSS
(dB)
AMPLITUDE
UNBALANCE
(dB)
PHASE
UNBALANCE
(Deg.)
Config. C
Demo Board MCL P/N: TB-375
Suggested PCB Layout (PL-257)
ADT1.5-122+
INSERTION LOSS
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0
200
400
600
800
1000
1200
FREQUENCY (MHz)
INSERTION
LOSS
(dB)
ADT1.5-122+
INPUT RETURN LOSS
5
10
15
20
25
30
0
200
400
600
800
1000
1200
FREQUENCY (MHz)
R
E
TU
R
N
LO
S
(d
B
)
20.00
1.25
19.29
0.01
0.70
40.00
1.17
20.85
0.11
0.53
50.00
1.15
21.10
0.11
0.21
60.00
1.14
21.36
0.07
0.03
100.00
1.11
22.20
0.03
1.13
300.00
1.19
19.59
0.01
1.23
500.00
1.25
19.83
0.21
2.15
850.00
1.37
24.80
0.56
0.69
1000.00
1.51
19.14
0.76
1.45
1200.00
1.95
11.92
0.95
5.56
There is internal DC continuity between primary
and secondary (not shown in schematic)
Permanent damage may occur if any of these limits are exceeded.