EURO
QUARTZ
W
MONOLITHIC CRYSTAL FILTERS
Cordless Telephone Applications
UM5-3
UM4-3
UM1-3
UM5-T
H
H
20.0
Gnd
3.75
Ø0.35
2 .5
Gnd
3.75
Ø0.35
3 .2
1.5 0.85
L
2.0
20.0
Gnd
3.75
Ø0.35
3.2
8 .0
8.0
UM5-J
UM4-J
Outline and Dimensions
Case
H
UM1-3T 8.0
UM5-T 6.0
W
7.3 max.
7.2 max.
8.0
Outline and Dimensions
Case
UM5-J
UM4-J
H
4.7
6.0
Outline and Dimensions
Case
UM5-3
UM4-3
H
6.0
4.7
21R7.5B
Att.dB
90
80
70
60
50
40
30
20
10
fo=21.40MHz
(dB)
9
8
7
6
5
4
3
2
1
21M7.5A5
Att.(dB)
90
80
70
60
50
40
30
20
10
fo=21.70MHz
(dB)
9
8
7
6
5
4
3
2
1
-5 -4 -3 -2
-600
-1000
-1 0 +1 +2 +3 +4 +5 (kHz)
+200
+600 +1000
-200
-5 -4 -3 -2 -1 0 +1 +2 +3 +4 +5 (kHz)
+200
-600
+600 +1000
-1000
-200
MCF Cordless Telephone Applications
Part
Number
21M7.5A5
21M7.5A9
21R7.5A9
21S7.5A5
21M7.5B
21R7.5B
21S7.5B
21R15A
21S15A1
21R15B
26M8.0A2
26R15A5
26R15B5
26M17B9
Nominal
3dB
Frequency Poles Bandwidth Ripple
(dB)
(MHz)
(kHz)
21.4
21.4
21.4
21.4
21.5
21.6
21.7
21.7
21.7
21.7
26.05
26.05
26.05
26.05
2
2
2
2
4
4
4
2
2
4
2
2
4
4
±3.75
±3.75
±3.75
±3.75
±3.75
±3.75
±3.75
±7.5
±7.5
±7.5
±4
±7.5
±7.5
±8.5
0.5
0.5
0.5
0.5
1.0
1.0
1.0
0.5
0.5
1.0
1.0
0.5
1.0
1.0
Insert.
Loss
(dB)
2.0
2.0
2.0
2.0
2.5
2.5
2.5
2.0
2.0
2.5
1.5
2.0
2.5
3.0
Stop
B/W
(kHz/dB)
±12.5/18
±12.5/18
±12.5/18
±12.5/18
±12.5/35
±12.5/35
±12.5/35
±25/18
±25/18
±25/40
±12.5/18
±25/18
±25/40
±25/30
Guaranteed
Attenuation
(dB/kHz)
75/-910
75/-910
75/-910
75/-910
90/±910
90/±910
90/±910
75/-910
75/-910
90/±910
75/-910
75/-910
90/±910
80/±910
Terminating
Impedance
(k
W
/pF)
1.5//6
1.5//6
1.5//6
1.5//6
0.58//5
0.58//5
0.58//5
1.5///3
1.5//2
1.5//2
0.8//10.8
1.5//4
1.5//2.5
1.1//2
Case
Style
UM1 - 3
UM1 - T
UM5 - J
UM4 - 3
UM1 - 3x2
UM5 - 3x2
UM3 - 3x2
UM5 - 3
UM4 - 3
UM5 - 3x2
UM1 - 3
UM5 - 3
UM5 - 3x2
UM1 - Tx2
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44(0)1460 230000 Fax: +44(0)1460 230001 Email: sales@euroquartz.co.uk www.euroquartz.co.uk
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