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21MS7.5A Datasheet(PDF) 1 Page - AEL Crystals Ltd

Part No. 21MS7.5A
Description  Surface Mounted Monolithic Crystal Filters 21.4MHz & 45MHz
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Maker  AEL [AEL Crystals Ltd]
Homepage  http://www.aelcrystals.co.uk
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21MS7.5A Datasheet(HTML) 1 Page - AEL Crystals Ltd

   
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FEATURES
APPLICATIONS
STANDARD
SPECIFICATIONS
Small Size
Surface Mounted
Low Insertion Loss
Single Package 4-Pole
UHF & VHF Radio
Wireless Telemetry
Wireless LAN
Pagers
Specify
Surface Mounted Monolithic Crystal Filters
21.4MHz & 45MHz
q u a r t z
b a s e d
f r e q u e n c y
c o n t r o l
c o m p o n e n t s
Order Hotline +44 1293 524245
www.aelcrystals.co.uk
sales@aelcrystals.co.uk
7.0 +/-0.2
1.0
4.6
1
2
3
4
1
2
2.54
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
Gnd
Gnd
Out
Gnd
Gnd
Gnd
Connected to 5
In/Out
Gnd
Connected to 2
Out/In
Pin
2-Pole
4-Pole
SOLDER PATTERN
6.0
2.54
4.0
2.2
1.4
INTERNAL CONNECTION
Model
Centre
Frequency
No
Poles
Passband
Width at -3dB
Ripple Insertion
Loss
Terminating
Impedence
Qty per
Filter
(MHz)
(kHz)
(dB)
(dB)
(dB)
(kHz)
(dB)
(F0~+/-kHz)
(kOhm//pF)
21MS7.5A
2
1
1.5
18.0
+/-18
50
-910 +/-10
0.85//6.0
1
21MS7.5B
4
1
2.5
35
+/-14
80
-910 +/-10
0.85//3.5
2
45MSF7.5A
45.000 Fundamental
2
1.0
2.0
10.0
+/-12.5
70
-910 +/-10
0.20//4
1
21MS15A
2
1
1.5
15.0
+/-45
50
-910 +/-10
3//0.5
1
+200 ~ +1,000
-200 ~ -1,000
45MSF15A
2
1.0
4.0
15.0
+/-25
70
-910+-10%
0.65//3
1
90
-200 ~ -1,000
70
+200 ~ +600
20
+600 ~ +1,000
+/-3.75
21.40000
4
21.40000
+/-7.5
StopBand
Width
Guaranteed
Attenuation
1.5//1.5
1
70
+/-25
35.0
21MS15B
+/-25
30.0
4.0
1.0
4
45.000 Fundamental
45MSF15B
0.9//2.0
1
3.0
1
50
www.aelcrystals.co.uk


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