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21M12D

Description
Crystal Filter, 1 Function(s), 21.8MHz, 6kHz BW(delta f), Monolithic,
CategoryAnalog mixed-signal IC    filter   
File Size219KB,3 Pages
ManufacturerEuroquartz
Websitehttp://www.euroquartz.co.uk/
Download Datasheet Parametric View All

21M12D Overview

Crystal Filter, 1 Function(s), 21.8MHz, 6kHz BW(delta f), Monolithic,

21M12D Parametric

Parameter NameAttribute value
MakerEuroquartz
Reach Compliance Codecompliant
Other features8 POLE
Maximum attenuation frequency (+/- delta f)20 kHz
Attenuation at maximum frequency90 dB
Bandwidth (+/- delta f)6 kHz
Center frequency or cutoff frequency (fo/fc)21.8 MHz
structureMONOLITHIC
filter typeCRYSTAL FILTER
high11.5 mm
Input/output impedance1200 OHM//2.5
Maximum insertion loss4 dB
length11 mm
Installation typeTHROUGH HOLE MOUNT
Number of functions1
physical sizeL11.0XB8.5XH11.5 (mm)/L0.433XB0.335XH0.453 (inch)
width8.5 mm
Base Number Matches1
EURO
QUARTZ
OUTLINE & DIMENSIONS
MONOLITHIC CRYSTAL FILTERS
10.7MHz
Through-hole MCF 49T package, 2, 4, 6 & 8 poles
SPECIFICATIONS
Channel
Spacing
(kHz)
12.5
Model
10M7.5A
10M7.5B
10M7.5C
10M7.5D
10M12A
10M12B
10M12C
10M12D
10M15A
10M15B
10M15C
10M15D
10M30A
10M30B
10M30C
10M30D
No. of
Poles
2
4
6
8
2
4
6
8
2
4
6
8
2
4
6
8
Pass
Bandwidth
dB
kHz
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
±3.75
±3.75
±3.75
±3.75
±6.0
±6.0
±6.0
±6.0
±7.5
±7.5
±7.5
±7.5
±15
±15
±15
±15
Stop
Bandwidth
dB
kHz
20
40
45
65
18
40
45
65
18
40
45
65
15
30
60
90
±18
±14
±8.75
±8.75
±25
±20
±15
±15
±25
±25
±18
±18
±50
±40
±45
±30
Insertion
Loss
dB max. dB max.
Ripple
0.5
1.0
2.0
2.0
0.5
1.0
1.0
2.0
0.5
1.0
2.0
2.0
0.5
1.0
2.0
2.0
1.5
2.5
3.5
4.0
2.0
2.5
4.0
2.0
1.5
2.5
3.0
4.0
1.5
2.5
3.0
3.5
Guaranteed
Attenuation
dB
kHz
35
65
65
90
35
65
65
90
35
55
65
90
30
30
65
90
±300~±1000
±300~±1000
±12.5~±300
±12.5~±300
±300~±1000
±300~±1000
±20~±300
±20~±300
±300~±1000
±300~±1000
±25~±300
±25~±300
±300~±1000
±300~±1000
±45~±300
±50~±300
Term.
Imp.
Ω//pF
1.8k//5.0
1.8k//4.5
1.8k//3.5
1.8k//3.5
2.5k//2.5
2.5k//1.5
2.5k//1.5
2.5k//1.5
3.0k//2.0
3.0k//1.5
3.3k//1.5
3.3k//1.5
5.0k//0
5.5k//-1.0
5.5k//-1.0
5.5k//-1.0
Package
Tandem
One
Set
Package
49T
49T (pair)
49T (3 pcs)
49T (4 pcs)
49T (pair)
49T (3 pcs)
49T (4 pcs)
49T (pair)
49T (3 pcs)
49T (4 pcs)
49T (pair)
49T (3 pcs)
49T (4pcs)
L1
L2
49T
L1
L2
49T
L1
L2
49T
L1
L2
20.0
25.0
50.0
PART NUMBER FORMAT
Example: 10M7.5A
Centre Frequency Code
10M = 10.7MHz
Pass Bandwidth (at 3dB min.)
7.5 = ±3.75kHz
12 = ±6.0kHz
15 = ±7.5kHz
30 = ±15kHz
Number of Poles
A = 2 poles
B = 4 poles
C = 6 poles
D = 8 poles
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk
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