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參數(shù)資料
| 型號： | MAMUSM0008TR |
| 英文描述： | JT 3C 3#20 SKT RECP |
| 中文描述： | 數(shù)字交換延遲線，一月八日至二月四日吉赫 |
| 文件頁數(shù)： | 6/6頁 |
| 文件大?。?/td> | 730K |
| 代理商： | MAMUSM0008TR |
Digital Switched Delay Line, 1.8 - 2.4 GHz
MAMUSM0008
Specifications subject to change without notice.
n
North America:
Tel. (800) 366-2266
n
Asia/Pacific:
Tel.+81-44-844-8296, Fax +81-44-844-8298
n
Europe:
Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
Visit www.macom.com for additional data sheets and product information.
V 1.00
6
Measurement
The simplest way to measure the delay steps is with a vec-
tor network analyzer (VNA). For taking S-Parameter
data, perform a standard calibration and measure the pa-
rameters for the given state.
Below is a description of how to see the delay accurately.
M/A-COM recommends the following measurement pro-
cedure:
Set the delay line to the reference or insertion delay state.
With the two ports of the VNA connected to the “in” and
“out” on the test board, measuring S21, set display
à
memory, and display data/memory. This will normalize
your data to the reference insertion state.
Next, switch the measurement format to phase. This
should be flat and zero due to the normalization. Switch
in the first delay line. (50ps). The display will not remain
on zero, but will have an offset. Under the Scale/
Reference menu, select electrical delay, and dial that up
until the data reads zero again, across the band of interest.
That electrical delay will be 50ps.
Continue to switch in the delay lines, dialing in more
delay each time.
Other methods are possible, but this is the most straight-
forward approach. We do not recommend using the
‘delay’ format in the VNA. The VNA’s method of
measuring this results in a noisy response, and is less
accurate than the method outlined above.
Upon request, M/A-COM can provide a test control board
to ease stepping through the states.
Ordering Information
Part Number
Package
MAMUSM0008
Bulk Packaging
MAMUSM0008TR
Tape and Reel (1K Reel)
MAMUSM0008-TB
Units Mounted on Test Board
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