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TFS125T-SAW-Filter

更新时间： 2024-10-03 14:52:07
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美国微芯 - MICROCHIP /
页数 文件大小 规格书
5页 161K
描述
Surface Acoustic Wave (SAW) devices are compact, cost competitive radio frequency (RF) solutions t

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TFS125T-SAW-Filter 数据手册

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Filename: tfs 125t.doc  
Version 2.0  
21.05.2013  
Microchip  
Filter specification  
TFS 125T  
1/5  
Measurement condition  
Ambient temperature:  
Input power level:  
23  
0
°C  
dBm  
source impedance (balanced):  
load impedance (balanced):  
Terminating impedance: *  
Input:  
200  
200   
200 Ω || -17.7 pF  
190 Ω || -20.8 pF  
Output:  
Characteristics  
Remark:  
The reference level for the relative attenuation a of the TFS125T is the minimum of the pass band attenuation. This value is defined  
rel  
as the insertion loss a . The nominal frequency f is fixed at 125 MHz without any tolerance. The values of relative attenuation a are  
e
N
rel  
guaranteed for the whole operating temperature range. The frequency shift of the filter in the operating temperature range is included in  
the production tolerance scheme.  
D a t a  
typ. value  
tolerance / limit  
Insertion loss  
(reference level)  
a
13,8  
dB  
max.  
16  
dB  
e
Nominal frequency  
Passband  
fN  
PB  
125  
15  
1
MHz  
fN  
±
MHz  
Pass band ripple  
Bandwidth  
0,4  
dB  
max.  
dB  
1 dB  
35,7  
46,2  
MHz  
MHz  
min.  
30  
56  
MHz  
MHz  
25 dB  
max.  
Relative attenuation  
a
rel  
fN  
fN  
fN  
fN  
fN  
-
15  
80  
40  
28  
40  
MHz … fN  
MHz … fN  
MHz … fN  
MHz … fN  
MHz … fN  
+
-
15  
40  
28  
40  
80  
MHz  
MHz  
MHz  
MHz  
MHz  
0.4  
55  
dB  
dB  
dB  
dB  
dB  
max.  
min.  
min.  
min.  
min.  
1
40  
25  
25  
37  
dB  
dB  
dB  
dB  
dB  
-
-
-
40  
+
+
+
+
32  
40  
Group delay ripple in PB  
Return loss within PB  
GDR  
24  
9
ns  
max.  
min.  
30  
6
ns  
dB  
dB  
Operating temperature range  
Storage temperature range  
OTR  
- 40 °C ... + 85°C  
- 45 °C ... + 85°C  
Temperature coefficient of frequency  
TC  
*
-97  
ppm/K  
f
*) f (Hz) = Tcf(ppm/K) x (T - To) x fCAT (MHz).  
c
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.  
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