FREQUENCY
(MHz)
INSERTION
LOSS
(dB)
INPUT
R. LOSS
(dB)
AMPLITUDE
UNBALANCE
(dB)
PHASE
UNBALANCE
(Deg.)
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
2.5 0.04-80 0.04-80 0.05-60 0.1-30 1 2 0.05 0.2
* Insertion Loss is referenced to mid-band loss, 0.2 dB typ.
0.03 0.33 14.60 0.01 0.13
0.05 0.22 18.75 0.01 0.09
0.07 0.19 21.58 0.01 0.06
0.10 0.18 24.55 0.01 0.05
1.00 0.16 34.88 0.01 0.08
10.00 0.22 23.43 0.00 0.42
16.75 0.29 19.49 0.01 0.66
20.00 0.33 18.11 0.01 0.78
60.00 1.07 9.71 0.14 2.45
80.00 1.65 7.72 0.26 3.54
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Mini-Circuits
®
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
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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.
For detailed performance specs
& shopping online see web site
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IF/RF MICROWAVE COMPONENTS
A
B
C
D
E
F
G
.280
.310
--
.100
.225
.055
.100
7.11 7.87 -- 2.54 5.72 1.40 2.54
H
J
K
L
wt
.047
.065
.065
.300
grams
1.19 1.65 1.65 7.62
0.45
50Ω 0.04 to 80 MHz
RF Transformer JT-1975+
JT-1975
CASE STYLE: BH292
PRICE: $2.49 ea. QTY (10-49)
Outline Dimensions ( )
inch
mm
Maximum Ratings
Pin Connections
Operating Temperature -20°C to 85°C
Storage Temperature -55°C to 100°C
RF Power 0.25W
DC Current 30mA
Outline Drawing
Transformer Electrical Specications
REV. B
M98898
JT-1975
EDR-1975
WZ/TD/CP/AM
070718
Typical Performance Data
PRIMARY DOT 1
PRIMARY 3
SECONDARY DOT 6
SECONDARY 4
SECONDARY CT 5
NOT USED 2
Features
• excellent return loss, 20 dB typ. in 1 dB bandwidth
• excellent amplitude unbalance, 0.05 dB typ.
and phase unbalance, 1.0 deg. typ. in 1 dB bandwidth
Applications
• impedance matching
• balanced ampliers
Surface Mount
Cong. A
PCB Land Pattern
Suggested Layout,
Tolerance to be within ±.002
JT-1975
INSERTION LOSS
0.0
0.5
1.0
1.5
2.0
2.5
0 16 32 48 64 80
FREQUENCY (MHz)
INSERTION LOSS (dB)
JT-1975
INPUT RETURN LOSS
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
0 16 32 48 64 80
FREQUENCY (MHz)
RETURN LOSS (dB)
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
