21MS7.5A Datasheet, PDF (1/1 Pages) AEL Crystals Ltd – Surface Mounted Monolithic Crystal Filters 21.4MHz & 45MHz

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