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TFS125L-SAW-Filter

更新时间： 2024-10-03 14:55:39
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美国微芯 - MICROCHIP /
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5页 283K
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Surface Acoustic Wave (SAW) devices are compact, cost competitive radio frequency (RF) solutions t

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TFS125L-SAW-Filter 数据手册

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Filename: tfs 125l.doc  
Version 2.0  
14.01.2020  
Microchip  
Filter specification  
TFS 125L  
1/5  
Measurement condition  
Ambient temperature TA:  
Input power level:  
Terminating impedance: *  
Input:  
23  
0
°C  
dBm  
650 Ω || -14.5 pF  
750 Ω || -12.8 pF  
Output:  
Characteristics  
Remark:  
The reference level for the relative attenuation arel of the TFS 125L is the minimum of the pass band attenuation. This value is defined as the insertion loss  
ae. The nominal frequency fN is fixed at 125 MHz without any tolerance. The values of relative attenuation arel are guaranteed over the whole operating  
temperature range. The frequency shift of the filter within the operating temperature range is included in the production tolerance scheme.  
D a t a  
typ. value  
tolerance / limit  
Insertion loss  
a
5.7  
dB  
max.  
7
dB  
e
(reference level)  
Nominal frequency  
Passband  
fN  
PB  
-
125  
± 200  
1
MHz  
kHz  
dB  
fN  
Pass band ripple  
Relative attenuation  
fN  
-
max.  
a
rel  
… fN  
±
200  
1.2  
kHz  
0.6  
dB  
max.  
1
dB  
fN  
fN  
fN  
fN  
fN  
fN  
fN  
fN  
±
±
±
±
±
±
-
0.6  
1.2  
1.8  
3.4  
6.5  
9.5  
MHz … fN  
MHz … fN  
MHz … fN  
MHz … fN  
MHz … fN  
MHz … fN  
MHz … fN  
MHz … fN  
±
±
±
±
±
±
-
MHz  
MHz  
MHz  
MHz  
MHz  
MHz  
MHz  
MHz  
11  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
min.  
min.  
min.  
min.  
min.  
min.  
min.  
min.  
8
20  
25  
34  
40  
43  
55  
55  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
dB  
1.8  
3.4  
6.5  
9.5  
30  
35  
45  
55  
60  
75  
75  
17  
115  
17  
17  
+
+
325  
Group delay  
at fN  
1.1  
µs  
max.  
min.  
1.7  
0.7  
120  
2.3  
10  
µs  
µs  
ns  
Group delay ripple within PB  
VSWR  
60  
1.5  
ns  
max.  
max.  
max.  
Input power level  
-
dBm  
Operating temperature range  
Storage temperature range  
OTR  
-
-
- 10 °C ... + 85 °C  
- 55 °C ... + 125°C  
Frequency inversion temperature  
Temperature coefficient of frequency  
37  
-0.04  
°C  
ppm/K2  
-
-
TC **  
f
*) The terminating impedances depend on parasitics and q-values of matching elements and the board used and are to be understood as reference values  
only. Should there be additional questions do not hesitate to ask for an application note or contact our design team.  
**) ∆푓 = 푇퐶ꢀ 푇 − 푇0 2푓푁  
(
)
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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