EUROQUARTZ
MONOLITHIC CRYSTAL FILTERS
Cordless Telephone Applications
W
UM5-±
UM1-±
H
UM4-±
H
UM5-T
2.0
20.0
0.85
1.5
L
3.75
8.0
20.0
Ø0.35
2.5
Ø0.35
3.2
3.75
8.0
Ø0.35
3.2
Gnd
Gnd
3.75
8.0
UM5-J
UM4-J
Gnd
Outline and Dimensions
Outline and Dimensions
Outline and Dimensions
Case
UM1-±T ꢁ.0
UM5-T 6.0
H
W
7.± max.
7.2 max.
Case
UM5-J
UM4-J
H
4.7
6.0
Case
UM5-±
UM4-±
H
6.0
4.7
21R7.5B
fo=21.40MHz
21M7.5A5
fo=21.70MHz
Att.dB
Att.(dB)
(dB)
(dB)
90
80
70
9
8
7
6
9
8
7
6
90
80
70
60
50
60
50
40
30
20
10
5
4
3
2
1
5
4
3
2
1
40
30
20
10
-1
-200
0
-1
-200
0
-4 -3 -2
-600
+3 +4 +5
+600 +1000
-4 -3 -2
-600
+3 +4 +5
+600 +1000
-5
-1000
+1 +2
+200
-5
-1000
+1 +2
+200
(kHz)
(kHz)
MCF Cordless Telephone Applications
Nominal
Frequency
(MHz)
3dB
Bandwidth
(kHz)
Stop
B/W
(kHz/dB)
Guaranteed
Attenuation
(dB/kHz)
Insert.
Loss
(dB)
Terminating
Impedance
(kW/pF)
Part
Number
Case
Style
Ripple
(dB)
Poles
21M7.5A5
21M7.5A9
21R7.5A9
21S7.5A5
21M7.5B
21R7.5B
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
± ±.75
± ±.75
± ±.75
± ±.75
± ±.75
± ±.75
± ±.75
± 7.5
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
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
±.0
± 12.5ꢀ1ꢁ
± 12.5ꢀ1ꢁ
± 12.5ꢀ1ꢁ
± 12.5ꢀ1ꢁ
± 12.5ꢀ±5
± 12.5ꢀ±5
± 12.5ꢀ±5
± 25ꢀ1ꢁ
75ꢀ-910
75ꢀ-910
75ꢀ-910
75ꢀ-910
90ꢀ± 910
90ꢀ± 910
90ꢀ± 910
75ꢀ-910
75ꢀ-910
90ꢀ± 910
75ꢀ-910
75ꢀ-910
90ꢀ± 910
ꢁ0ꢀ± 910
1.5ꢀꢀ6
UM1 - ±
UM1 - T
1.5ꢀꢀ6
1.5ꢀꢀ6
UM5 - J
1.5ꢀꢀ6
UM4 - ±
0.5ꢁꢀꢀ5
0.5ꢁꢀꢀ5
0.5ꢁꢀꢀ5
1.5ꢀꢀꢀ±
1.5ꢀꢀ2
UM1 - ±x2
UM5 - ±x2
UM± - ±x2
UM5 - ±
21S7.5B
21R15A
21S15A1
21R15B
± 7.5
± 25ꢀ1ꢁ
UM4 - ±
± 7.5
± 25ꢀ40
1.5ꢀꢀ2
UM5 - ±x2
UM1 - ±
26Mꢁ.0A2
26R15A5
26R15B5
26M17B9
± 4
± 12.5ꢀ1ꢁ
± 25ꢀ1ꢁ
0.ꢁꢀꢀ10.ꢁ
1.5ꢀꢀ4
± 7.5
UM5 - ±
± 7.5
± 25ꢀ40
1.5ꢀꢀ2.5
1.1ꢀꢀ2
UM5 - ±x2
UM1 - Tx2
± ꢁ.5
± 25ꢀ±0
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