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TFS1225D-SAW-Filter

更新时间： 2024-10-01 14:52:03
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美国微芯 - MICROCHIP /
页数 文件大小 规格书
5页 341K
描述
Surface Acoustic Wave (SAW) devices are compact, cost competitive radio frequency (RF) solutions t

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TFS1225D-SAW-Filter 数据手册

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Filename: tfs1225d.doc  
Version 1.1  
08.08.2017  
Microchip  
Filter specification  
TFS1225D  
1/5  
Measurement condition  
Ambient temperature TA:  
Input power level:  
Terminating impedance:  
Input:  
23  
0
°C  
dBm  
200  
200  
Ω
Ω
Output:  
Characteristics  
Remark:  
The maximum attenuation in the passband is defined as the insertion loss a . The nominal frequency fN is fixed at 1225.5 MHz without any tolerance  
e
or limit. The values of absolute attenuation a  
are guaranteed for the whole operating temperature range. The frequency shift of the filter in the  
abs  
operating temperature range is included in the production tolerance scheme.  
D a t a  
typ. value  
tolerance / limit  
Insertion loss in PB  
Nominal frequency  
a
3.4  
-
dB  
max.  
5.0  
dB  
e
fN  
1225.5  
MHz  
MHz  
dB  
Passband  
PB  
-
fN  
±
28.5  
2.5  
Passband variation  
Absolute attenuation  
1.3  
dB  
max.  
a
abs  
0.3  
1145  
MHz … 1145  
MHz  
MHz  
MHz  
MHz  
MHz  
MHz  
MHz  
MHz  
32  
dB  
dB  
min.  
min.  
min.  
min.  
min.  
min.  
min.  
min.  
30  
25  
10  
5
dB  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
MHz … 1150  
MHz … 1160  
MHz … 1170  
MHz … 1298  
MHz … 1306  
MHz … 1310  
MHz … 3000  
35  
25  
12  
14  
30  
42  
34  
dB  
dB  
dB  
dB  
dB  
dB  
1150  
1160  
1290  
1298  
1306  
1310  
5
10  
25  
30  
Group delay ripple  
1197  
1237  
MHz … 1228  
MHz … 1254  
MHz  
MHz  
6
5
ns  
ns  
max.  
max.  
10  
10  
ns  
ns  
Group delay variation (unit to unit)  
*)  
1197  
1237  
MHz … 1228  
MHz … 1254  
MHz  
MHz  
+/-4  
+/-3  
ns  
ns  
max.  
max.  
+/-6  
+/-6  
ns  
ns  
Return loss within PB  
13  
dB  
min.  
7
dB  
Input power level in PB  
Operating temperature range  
Storage temperature range  
-
-
max.  
10  
dBm  
OTR  
-40 °C ... +85 °C  
-55 °C ... +125 °C  
-
Temperature coefficient of frequency  
TC **)  
-73  
ppm/K  
f
*) measured at: fN , fN + 28.5 MHz , fN – 28.5 MHz  
(
)
**) ∆푓 = 푇퐶ꢀ 푇 − 푇 푓푁  
퐴
Generated:  
Checked / Approved:  
Microchip Frequency Technology GmbH  
Potsdamer Straße 18  
D 14 513 TELTOW / Germany  
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30  
Microchip Frequency Technology GmbH reserves the right to make changes to the product(s) and/or information contained herein  
without notice. No liability is assumed as a result of their use or application. No rights under any patent accompany the sale of any  
such product(s) or information.  
12345

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