TC1-1T-75X+ [MINI]
RF Transformer;
| 型号： | TC1-1T-75X+ |
| 厂家： | 
MINI-CIRCUITS |
| 描述： | RF Transformer |
| 文件： | 总3页 (文件大小：345K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
top hat®
Surface Mount
RF Transformer
TC1-1T-75X+
75Ω
5 to 120 MHz
The Big Deal
• Supports DOCSIS® 3.1 upstream bandwidth
• Low insertion loss, 0.2 dB
• Good return loss, 28 dB
• Low amplitude / phase unbalance, 0.2 dB / 2°
• Small size, 0.15 x 0.15 x 0.16”
CASE STYLE: AT1521
Product Overview
TC1-1T-75X+ is a 75Ω surface-mount, DC-isolated transformer with a secondary center tap, covering the 5
to 120 MHz band, supporting upstream bandwidth requirements for DOCSIS 3.1 systems and equipment.
This model provides a 1:1 secondary/primary impedance ratio and is capable of handling up to 0.25W RF
input power. It provides 0.2 dB insertion loss, 28 dB return loss, 0.2 dB amplitude unbalance and 2° phase
unbalance. Featuring core and wire construction mounted on a 5-lead plastic base with tin over nickel
termination finish, the unit measures 0.15 x 0.15 x 0.16” to accommodate dense circuit board layouts. It also
incorporates Mini-Circuits’ Top Hat® feature for faster, more accurate pick-and-place assembly.
Key Features
Feature
Advantages
Supports DOCSIS 3.1 upstream bandwidth
requirements
This model is optimized for use over the upstream bandwidth for CATV and broadband fiber net-
works including DOCSIS 3.1 systems.
Low insertion loss, 0.2 dB
Good return loss, 28 dB
Provides excellent transmission of signal power from input to output.
Provides excellent matching for 75Ω systems.
Low unbalance:
- 0.2dB amplitude unbalance
- 2° phase unbalance
Low unbalance improves a system’s electromagnetic compatibility by rejecting unwanted common-
mode noise.
Provides DC isolation between circuits and efficient AC transmission, eliminating the need for
external DC biasing components.
DC isolation
Secondary center tap
Small footprint (0.15 x 0.15 x 0.16”)
Top Hat® feature
Allows DC feed up to 30 mA and DC bias without adding bias tees into the signal chain.
Accommodates tight space requirements for dense PCB layouts.
Improves speed and accuracy of pick and place assembly and provides clear device marking for
visual inspection.
®
Mini-Circuits
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
Page 1 of 3
top hat®
RSurfFace MTourntansformer
TC1-1T-75X+
75Ω
5 to 120 MHz
Features
• DOCSIS 3.1 suitable
• plastic base with leads
• aqueous washable
CASE STYLE: AT1521
Applications
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
• impedance matching
• unbalance to balance transformation
• cable/CATV and broadband fiber networks
Reel Size
7”
13”
Devices/Reel
20, 50, 100, 200, 500
1000, 2000
Electrical Specifications at 25°C
Parameter
Frequency (MHz)
Min.
Typ.
Max.
Unit
1
Ohm
MHz
Impedance Ratio
Frequency Range
5
—
120
5 - 75
75 - 120
5 - 75
—
—
—
—
—
—
25
23
20
0.1
0.3
0.1
0.2
1
0.4
0.6
0.2
0.3
4
dB
dB
Insertion Loss*
Amplitude Unbalance
Phase Unbalance
75 - 120
5 - 75
Degree
75 - 120
5 - 20
3
6
30
28
25
—
—
—
20-75
dB
Return Loss
75-120
*Insertion Loss is referenced to mid-band loss, 0.25 dB typ.
Pin Connections
Function
Maximum Ratings
Parameter
Pin Number
Ratings
-40°C to 85°C
-55°C to 100°C
0.25W
Operating Temperature
Storage Temperature
RF Power
PRIMARY DOT
PRIMARY
6
4
1
3
2
SECONDARY DOT
SECONDARY
DC Current
30mA
Permanent damage may occur if any of these limits are exceeded.
SECONDARY CT
Config. A
REV. OR
M151741
TC1-1T-75X+
ED-14501A/1
IG/CP/AM
151102
®
Mini-Circuits
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
Page 2 of 3
TC1-1T-75X+
inch
Outline Dimensions (
)
Outline Drawing
mm
A
.150
3.81
B
.150
3.81
C
.160
4.06
D
.050
1.27
E
.040
1.02
F
.025
0.64
G
.028
0.71
H
.065
1.65
J
.190
4.83
K
.030
0.76
wt
grams
0.15
PCB Land Pattern
Note:
1. Case Material Plastic
2. Termination Finish: Tin plate over Nickel plate.
3. Lead #1 identiꢀer shall be located in the
cross-hatched area shown, on bottom view.
Identiꢀer may be either a molded or marked feature.
4.Top-Hat total thickness: 0.13 inches max.
Suggested Layout,
Tolerance to be within .002
Typical Performance Data
FREQUENCY
(MHz)
INSERTION
LOSS
(dB)
INPUT
R. LOSS
(dB)
AMPLITUDE
UNBALANCE
(dB)
PHASE
UNBALANCE
(Deg.)
5.00
10.00
20.00
50.00
70.00
80.00
90.00
100.00
110.00
120.00
0.26
0.25
0.26
0.31
0.33
0.34
0.35
0.36
0.37
0.38
30.33
32.29
32.98
31.47
29.95
29.15
28.34
27.58
26.88
26.26
0.01
0.00
0.00
0.01
0.00
0.00
0.01
0.02
0.02
0.03
0.20
0.32
0.55
1.18
1.59
1.81
2.03
2.25
2.46
2.68
TC1-1T-75X+
INPUT RETURN LOSS
TC1-1T-75X+
INSERTION LOSS
1.0
0.8
0.5
0.3
0.0
40
35
30
25
20
0
40
80
120
0
40
80
120
FREQUENCY (MHz)
FREQUENCY (MHz)
TC1-1T-75X+
TC1-1T-75X+
AMPLITUDE UNBALANCE
PHASE UNBALANCE
6
4
2
0
0.05
0.04
0.03
0.02
0.01
0.00
0
40
80
120
0
40
80
120
FREQUENCY (MHz)
FREQUENCY (MHz)
®
Mini-Circuits
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
Page 3 of 3
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