90M20B EUROQUARTZ limited, 90M20B Datasheet
90M20B
Manufacturer Part Number
90M20B
Description
Monolithic Crystal Filters
Manufacturer
EUROQUARTZ limited
Datasheet
1.90M20B.pdf
(1 pages)
EURO
Outline and Dimensions
MCF Cellular Telephone Applications
UM1-3
Tel: +44(0)1460 230000 Fax: +44(0)1460 230001 Email: sales@euroquartz.co.uk www.euroquartz.co.uk
Number
45M7.5A
45M7.5B
45M20A
45M20B
45M30A
45M30B
45S30B
55M30A
55M30B
90M20A
90M20B
Part
Gnd
3.75
QUARTZ
8.0
Frequency
Nominal
45M30A
-1000
45.0
45.0
45.0
45.0
45.0
45.0
45.0
55.0
55.0
90.0
90.0
(MHz)
-25
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
-20
8.0
20.0
Ø0.35
2 .5
-600
-15
Poles
-10
2
4
2
4
4
2
4
2
4
2
4
20
40
30
10
-200
-5
Att.(dB)
80
70
90
0
Bandwidth
50
60
+200
±3.75
±3.75
±10.0
±10.0
±15
±15
±15
±15
±15
±10.0
±10.0
+5
(kHz)
3dB
fo=45.00MHz
Outline and Dimensions
UM1-T
+10 +15 +20 +25
+600
20.0
8.0
Ripple
+1000
(dB)
1.0
1.0
0.5
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Gnd
(dB)
9
8
7
6
5
4
3
2
1
(kHz)
3.75
8 .0
Insert.
Loss
(dB)
2.0
4.0
2.0
3.0
2.0
3.0
3.0
2.0
3.0
2.5
4.0
MONOLITHIC CRYSTAL FILTERS
45M30B
Ø0.35
3.2
-1000
(kHz/dB)
±12.5/10
±12.5/30
±30/15
±40/35
±50/15
±50/35
±50/35
±50/15
±50/30
±30/15
±30/30
UHF Mobile Radio Applications
-25
Stop
B/W
-20
-600
-15
-10
-200
Guaranteed
Outline and Dimensions
Attenuation
-5
UM5-3
UM4-3
(dB/kHz)
Att.dB
65/-910
90/±910
65/-910
90/±910
90/±910
70/±910
90/±910
705/-910
90/±910
35/-9110
70/±910
60
90
80
70
0
+200
50
40
30
20
10
+5
Gnd
Case
UM5-3
UM4-3
fo=45.00
+10 +15 +20 +25
+600
3.75
8.0
6.0
4.7
H
+1000
Terminating
Impedance
(dB)
(k /pF)
9
8
7
4
6
5
3
2
1
0.35//10.5
0.35//6.5
0.91//2.5
0.91//2.5
1.2//1.5
1.2//0.7
0.8//1.2
1.2//1.5
1.2//0.7
2.5//1.0
2.5//1.0
20.0
Ø0.35
2 .5
H
W
(kHz)
UM1 - 3
UM1 - 3x2
UM1 - 3
UM1 - 3x2
UM1 - 3
UM1 - 3x2
UM1 - 3x2
UM1 - 3
UM1 - 3x2
UM1 - 3
UM1 - 3x2
Case
Style
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