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參數(shù)資料
| 型號： | 0810B50-100J |
| 廠商： | ANAREN INC |
| 元件分類： | 射頻變壓器 |
| 英文描述： | 800 MHz - 1000 MHz RF TRANSFORMER |
| 文件頁數(shù)： | 2/13頁 |
| 文件大小： | 682K |
| 代理商： | 0810B50-100J |
USA/Canada:
Toll Free:
Europe:
(315) 432-8909
(800) 411-6596
+44 2392-232392
Available on Tape and
Reel for Pick and Place
Manufacturing.
Model 0810B50-100J
Rev A
Evaluating the performance of a balun as logical 2-port
device
Many of the newer Agilents multiport Network analyzer
models have the capabilities to make balanced measurement
by transforming the analyzer from a 3-port network analyzer
into a 2-port analyzer with one or two balanced ports. The
transformations described in the previous section are now
done in firmware. This approach lets the user set up any type
of measurements of the balun and evaluate the actual
performance of the circuit in real-time on the screen of the
analyzer.
Evaluating balun performance of non 50 Ohm units
The discussion about deembedding from the previous
sections is also important for 3-port analyzers and will not be
discussed any further here.
Time Domain techniques
Anaren does not use the time Domain technique very often,
but some customers in their evaluations have employed it.
A part was tested using a 2.4 GHz source, driving an equal
split power divider. One of the power divider outputs was
connected to the trigger and the other was used to drive the
balun circuit (mounted on the test board). The two outputs of
the balun (two terminals of the differential port) were then
connected to the two oscilloscope channels via phase and
amplitude matched cables.
This technique is capable to get a indication of phase and
amplitude balance, but this technique is not capable of
measuring the return loss performance. Likewise, evaluating
the insertion loss is cumbersome and potentially inaccurate.
The following figure shows actual measurements performed
on a 2.45 GHz balun in a 50 Ohm system.
Figure 2 Time domain data taken on a Tektronix 20GS/s oscilloscope.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 0393570006 | 17.5 A, STRIP TERMINAL BLOCK, 1 ROW, 1 DECK |
| 0393570007 | 17.5 A, STRIP TERMINAL BLOCK, 1 ROW, 1 DECK |
| 0393570010 | 17.5 A, STRIP TERMINAL BLOCK, 1 ROW, 1 DECK |
| 0810B50-75J | 800 MHz - 1000 MHz RF TRANSFORMER |
| 0393570015 | 17.5 A, STRIP TERMINAL BLOCK, 1 ROW, 1 DECK |
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