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Mini-Circuits
®
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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
Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled to the rights and benefits contained therein. For a full statement of the Standard
Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp.
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IF/RF MICROWAVE COMPONENTS
RF Transformer
Surface Mount
ADT1.5-122+
CASE STYLE: CD542
PRICE: $2.95 ea. QTY.(20)
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 Specications
REV. A
M108864
ADT1.5-122+
ED-12126B/4
DJ/TD/CP/AM
120718
Typical Performance Data
PCB Land Pattern
Suggested Layout,
T
oler
a
nce 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
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 atness from 50 MHz to 850 MHz
• aqueous washable
• protected under US patent 6,133,525
• impedance matching
• balanced amplier
• cable TV
PRIMARY DOT, 50Ω unbalanced 3
PRIMARY 1 & 2 connect to GND
SECONDARY DOT, 75Ω balanced 4
SECONDARY, 75Ω balanced 6
NOT USED 5
50Ω 20 to 1200 MHz
* Insertion Loss is referenced to mid-band loss, 1 dB typ.
Ω
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.)
Cong. K
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)
RETURN LOSS (dB)
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
Permanent damage may occur if any of these limits are exceeded.
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Available Tape and Reel
at no extra cost
Reel Size Devices/Reel
7” 20, 50, 100, 200, 500
13” 500,1000