Model 3A412
Rev. B
Balun Transformers
50 to 12.5 Balanced
The 3A412 is a low profile balanced to unbalanced transformer designed for push-
pull amplifiers in an easy to use surface mount package for AMPS and GSM.
These compact Xinger
廬
surface mount baluns are ideal for high volume
manufacturing and are more reliable and repeatable than traditional baluns. The
3A412 has an unbalanced port impedance of 50鈩?and balanced port impedances
of 12.5鈩?to ground with a 25鈩?balance between outputs. This eases the matching
of the push-pull amplifier鈥檚 power transistors, which have low impedance levels.
The output ports have equal amplitude (-3dB) with 180 degree phase differential.
The Xinger
廬
balun is a result of years of research and development culminating
with a solution so unique, a patent is pending on the design approach. The 3A412
is available on tape and reel for pick and place high volume manufacturing.
Description
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Features:
ELECTRICAL SPECIFICATIONS***
Frequency
MHz
800 鈥?1000 MHz
180擄 Transformer
擄
50 Ohm to 2 x 12.5+j Ohm
Low Insertion Loss
High Power
Even Order Suppression
Input to Output DC Isolation
Surface Mountable
Tape & Reel
Convenient Package
Unbalanced
Port
Impedance
Ohms
Balanced
Port
Impedance*
Ohms
Return
Loss
dB min
Insertion
Loss
dB max
800-1000
869-894
925-960
Amplitude
Balance
dB max
50
50
50
Phase
Balance
Degrees max
12.5+j
12.5+j
12.5+j
Power
Handling
Watts
15
15
15
螛
JC
潞C / Watt
0.48
0.35
0.40
Operating
Temp.
潞C
0.40
0.40
0.40
180鹵 5.0
180鹵 5.0
180鹵 5.0
250
250
250
3.8
3.8
3.8
-55 to +85
-55 to +85
-55 to +85
Outline Drawing
Top View (Near-side)
1.000
鹵.010
[25.40
鹵0.25
]
***Specification based on performance of unit properly installed on microstrip printed circuit
boards with 50
鈩?/div>
nominal impedance. Specifications subject to change without notice.
**Insertion Loss excludes reflected power. * 12.5
鈩?/div>
reference to ground
Side View
.075
鹵.008
[1.91
鹵0.20
]
Pin 3
Bottom View (Far-side)
.060
鹵.004
[1.52
鹵0.10
]
Pin 3
.400
鹵.004
[10.16
鹵0.10
]
.070
鹵.008
[1.78
鹵0.20
]
Pin 2
.030
鹵.004
TYP
[0.76
鹵0.10
]
.050
鹵.008
[1.27
鹵0.20
]
Pin 2
.750
鹵.010
[19.05
鹵0.25
]
GND
Pin 1
Denotes
Array Number
.050
鹵.008
[1.27
鹵0.20
]
.030
鹵.004
[0.76
鹵0.10
]
GND
Pin 1
.358
鹵.008
[9.09
鹵0.20
]
.115
鹵.004
[2.92
鹵0.10
]
Dimensions are in Inches [Millimeters]
3A412 Rev A Mechanical Outline
Available on Tape
and Reel For Pick and
Place Manufacturing.
USA/Canada:
Toll Free:
Europe:
(315) 432-8909
(800) 544-2414
+44 2392-232392
3A412相關(guān)型號PDF文件下載
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廠商
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英文版
Balun Transformers 50 to 12.5 Balanced
ANAREN
-
英文版
Balun Transformers 50 to 12.5 Balanced
ANAREN [An...
-
英文版
Balun Transformers 50 to 12.5 Balanced
ANAREN
-
英文版
Balun Transformers 50 to 12.5 Balanced
ANAREN [An...
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