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001-01 / 20100301 / e751_atb2012_75011.fm
• All specifications are subject to change without notice.
Wound Chip Baluns
ATB Series ATB2012-75011
FEATURES
• ATB2012-75011 is chip BALUN transformer developed for 75Ω
impedance system.
• Input impedance is 75Ω.
• Impedance ration is 1:1.
• Frequency band width is 50MHz to 1.2GHz.(IL=1.2dB typ.)
• It is a product conforming to RoHS directive.
APPLICATIONS
• Tuner for TV, mobile devices(e.g. DVB-T/H, ISDB-T)
• Power divider for STB and tuner
PRODUCT IDENTIFICATION
(1) Series name
(2) Case size
(3) Input impedance
750: 75Ω
(4) Impedance ratio
11: 1:1
(5) Packing style
T: Taping ø180mm reel
TL: Taping ø330mm reel
(6) Control mark
PACKAGING STYLE AND QUANTITIES
SHAPES AND DIMENSIONS
RECOMMENDED PC BORARD PATTERN
CIRCUIT DIAGRAM
ELECTRICAL CHARACTERISTICS
Conformity to RoHS Directive
ATB 2012 - 750 - 11 - T
(1) (2) (3) (4) (5) (6)
Packaging style Reel Quantity
Taping ø180mm 2000 pieces/reel
ø330mm 10000 pieces/reel
2.0±0.2
1.2±0.21.2±0.1
0.4
0.4 1.2 0.4
0.35 0.5 0.35
41
32
Weight: 0.01g
Dimensions in mm
1.2
2.7
0.35
0.85
Dimensions in mm
1
2
4
3
1
2
4
3
Unbalanced Port
75Ω
Balanced Port
75Ω
Part No.
Frequency
range
(MHz)
UB/B
Impedance
(Ω)
Insertion loss
(dB)
max.
CMRR
min.
DC
resistance
(Ω)
Rated
current
(mA)
Rated
voltage
(V)
Insulation
resistance
(MΩ)
Withstanding
voltage
(V)
ATB2012-75011-T000 50 to 1200 75/75 1.2 20 0.7 280 20 10 125
• Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific
bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.
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001-01 / 20100301 / e751_atb2012_75011.fm
• All specifications are subject to change without notice.
FREQUENCY CHARACTERISTICS
INSERTION LOSS
AMPLITUDE IMBALANCE
RETURN LOSS
PHASE BALANCE
0 400 600 800 1000 1200200
Frequency(MHz)
–6.0
–4.0
–3.0
–1.0
–5.0
–2.0
0.0
Insertion loss(dB)
Frequency(MHz)
1.0
–1.0
0
2.0
–2.0
3.0
–3.0
Amplitude imbalance(dB)
0 400 600 800 1000 1200200
Frequency(MHz)
–40
–35
–30
–15
–10
–25
–20
–5
0
Return loss(dB)
0 400 600 800 1000 1200200
Frequency(MHz)
170
174
178
184
176
172
182
180
186
190
188
Phase balance(deg.)
0 400 600 800 1000 1200200
