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 Surface Mount 50
RF Transformer
2 to 775 MHz
-20C to 85C -55C to 100C 0.25W 30mA
ADT4-1WT+ ADT4-1WT
Maximum Ratings
Operating Temperature Storage Temperature RF Power DC Current
Features
* excellent return loss, 20 dB typ. in dB bandwidth * excellent amplitude unbalance, 0.1 dB typ. and phase unbalance, 1 deg. typ. in 1 dB bandwidth * aqueous washable * protected under US patent 6,133,525
CASE STYLE: CD542 PRICE: $2.95 ea. QTY (10-49)
+ 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.
PRIMARY DOT PRIMARY SECONDARY DOT SECONDARY SECONARY CT NOT USED
Pin Connections
3 1 4 6 5 2
* impedance matching * baluns
Applications
Transformer Electrical Specifications
(Secondary/Primary)
Outline Drawing
RATIO
FREQUENCY (MHz)
INSERTION LOSS*
PHASE UNBALANCE (Deg.) Typ.
1 dB bandwidth 1 2 dB bandwidth 3
AMPLITUDE UNBALANCE (dB) Typ.
1 dB bandwidth 0.1 2 dB bandwidth 0.3
3 dB MHz 4 2-775 2-775
2 dB MHz 3-600
1 dB MHz 6-250
* Insertion Loss is referenced to mid-band loss, 0.8 dB typ.
PCB Land Pattern
Typical Performance Data
FREQUENCY (MHz)
Suggested Layout, Tolerance to be within .002
INSERTION LOSS (dB)
1.53 1.02 0.75 0.80 0.98 1.10 1.44 1.81 2.12 2.51
INPUT R. LOSS (dB)
13.65 17.61 21.91 22.05 19.93 18.41 10.74 8.91 7.73 7.38
AMPLITUDE UNBALANCE (dB)
0.02 0.00 0.00 0.01 0.03 0.03 0.18 0.23 0.27 0.28
PHASE UNBALANCE (Deg.)
0.03 0.03 0.00 0.26 0.89 1.48 6.98 10.48 14.36 14.98
Outline Dimensions ( inch ) mm
A .272 6.91 B .310 7.87 C .220 5.59 D .100 2.54 E .112 2.84 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 0.20
1.00 3.00 10.00 50.00 175.00 250.00 600.00 700.00 775.00 800.00
Demo Board MCL P/N: TB-42
2.4 INSERTION LOSS (dB)
ADT4-1WT INSERTION LOSS
50 RETURN LOSS (dB) 40 30 20 10 0 0 155
ADT4-1WT INPUT RETURN LOSS
2.0 1.6 1.2 0.8 0.4 0.0 0 155 310 465 620 775 FREQUENCY (MHz)
Config. A
310
465
620
775
FREQUENCY (MHz)
Mini-Circuits
ISO 9001 ISO 14001 CERTIFIED RF/IF MICROWAVE COMPONENTS
(R)
minicircuits.com
REV. B M98898 ADT4-1WT ED-6920/1 HY/TD/CP/AM 070714
EW ALL N
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 The Design Engineers Search Engine Provides ACTUAL Data Instantly From MINI-CIRCUITS At: www.minicircuits.com


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