參數(shù)資料
型號(hào): B4690
英文描述: Analog IC
中文描述: 模擬IC
文件頁(yè)數(shù): 6/7頁(yè)
文件大?。?/td> 97K
代理商: B4690
6
Apr 04, 2001
SAW Components
Low-Loss Filter
Data Sheet
B4690
836,50 MHz
Remarks on power durability of SAW filter B4690:
The power durability of SAW filter B4690 depends on ambient temperature and time. Measure-
ments have shown that for an ambient temperature of 85C and a CW input power P
in
=-1.5 dBm at
849 MHz the filter has a TTF of more than 100 000 h. The allowed input power for other parameters
is given in the following table:
T
amb
[C]
TTF [h]
P
in
[dBm]
85
55
25
85
55
25
100 000
100 000
100 000
10 000
10 000
10 000
-1.5
1.9
5.9
1.8
5.2
9.1
TTF: time to failure (frequency shift of 1 MHz and/or increase of
α
max
by 0,5 dB)
T
amb
: ambient temperature
These results are based on extrapolations of measured results. The statistical uncertainty is about
±
3dB.
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