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參數(shù)資料
| 型號： | 3w525 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Surface Mount Balun |
| 中文描述： | 表面貼裝巴倫 |
| 文件頁數(shù)： | 1/3頁 |
| 文件大?。?/td> | 258K |
| 代理商： | 3W525 |
3W525
Surface Mount Balun
VER9/ 22/ 00
Available on Tape and
Reel For Pick and
Place Manufacturing.
USA/Canada:
Toll Free:
(315) 432-8909
(801) 544-2414
3W525
Features:
·
1.8 – 2.5 GHz
·
180
°
Transformer
·
50 Ohm to 25 Ohm
·
Broad Band
·
Low Insertion Loss
·
High Power
·
Even Order Harmonic
Suppression
·
Input to Output
DC Isolation
·
Surface Mountable
·
Tape & Reel
·
Convenient Package
Description:
The 3W525 is a low profile balanced to unbalanced transformer
designed for push-pull amplifiers in an easy to use surface
mount package for PCS, DCS, . These compact Xinger
surface
mount baluns are ideal for high volume manufacturing and are
more reliable and repeatable than traditional baluns. The
3W525 has an unbalanced port impedance of 50
and
balanced port impedances of 25
to ground with a 50
balance
between outputs. This eases the matching of the push-pull
amplifier’s power transistors, which have low impedance levels.
The output ports have equal amplitude (-3dB) with 180 degree
phase differential. The Xinger
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 3W525
is available on tape and reel for pick and place high volume
manufacturing.
MECHANICAL OUTLINE:
ELECTRICAL SPECIFICATIONS:
3W525 - Surface Mount Balun
Parameter
Operating Frequency
Unbalanced Port Impedance
Balanced Port Impedance (2
ó
3)
Unbalanced Port Return Loss
Insertion Loss (max)
Output Amplitude Balance (p-p)
Phase Balance
Power Rating (max)
Θ
JC
Specifications based on performance of units installed in an RF microstrip test fixture. 50 ohms nominal input impedance, and 25 ohm nominal
output impedance. Temperature of operation, -55
C to +85
C. Unit will operate to +125
C with minor degradation in Insertion Loss performance.
Specifications subject to change without notice.
Specification
1.8-2.5 GHz
50
50
(25
to Ground)
-15dB
0.30 dB
0.40 dB
180 + 5 degrees
150 Watts CW
11.3
o
C/Watt
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