QEF21M4A20 [TEMEX]
Crystal Filter, 1 Function(s), 21.4MHz, 10kHz BW(delta f), Monolithic,;
| 型号： | QEF21M4A20 |
| 厂家： | 
TEMEX |
| 描述： | Crystal Filter, 1 Function(s), 21.4MHz, 10kHz BW(delta f), Monolithic, LTE |
| 文件： | 总1页 (文件大小：25K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
STANDARD CRYSTAL FILTERS
21.4 MHz ; Monolithic crystal filters ;Through hole
2 1.4 MHz
Mo n o lit h ic c rys t a l fi lt e rs - S t a n d a rd - Th ro u g h h o le
TYPE
NB.
POLES
PASSBAND
STOPBAND
ATTENUATION
GUARANT. RIPPLE INSERTION
TERMINATION
IMPEDANCE
KΩ//pF
PACKAGE
OLD TEMEX
REFERENCE
ATTENUAT.
MAX. LOSS MAX.
dB
± KHz
dB ± KHz dB ± KHz
dB
dB
0.5
1
dB
2
QEF21M4A7.5
QEF21M4B7.5
QEF21M4C7.5
QEF21M4D7.5
QEF21M4A12
QEF21M4B12
QEF21M4C12
QEF21M4D12
QEF21M4A15
QEF21M4B15
QEF21M4C15
QEF21M4D15
QEF21M4A20
QEF21M4B20
QEF21M4C20
QEF21M4D20
QEF21M4A30
QEF21M4B30
QEF21M4C30
QEF21M4D30
2
4
6
8
2
4
6
8
2
4
6
8
2
4
6
8
2
4
6
8
3
3
3
6
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
20
40
18
14
30
60
65
90
30
60
65
90
30
50
65
85
30
50
65
90
30
60
70
90
0.85//5
UM1
TE5180 M2
2.5
3
0.85//5 Cc16pF UM1 x2 TE5190 2M2
60 12.5
2
0.85//5
0.85//5
1.2//3
SM2
SM2
UM1
-
65 8.75 85 12.5
2
4
-
20
40
45
65
18
40
60
25
0.5
1
2
-
6
20
2.5
3
1.2//2.5 Cc10pF UM1 x2
-
6
14
2
1.6//1
1.2//2.5
1.5//2
SM2
SM2
UM1
-
6
14 85 20
2
3
-
7.5
7.5
7.5
7.5
10
25
25
25
0.5
1
1.5
2
TE5260 M2
1.5//2 Cc8pF UM1 x2 TE5270 2M2
2
2.5
3
1.5//2
1.5//2
SM2
SM2
UM1
-
65 17.5 80 25
2
-
18
40
60
65
15
30
65
65
34
0.5
1
2
1.8//1.5
-
10
34
2
1.8//1.5 Cc7pF UM1 x2
-
10
33
2
3
1.6//2
1.5//2
3//0
SM2
SM2
UM1
-
10
23 85 35
2
4
-
15
15
15
15
50
1
1.5
2.5
3
TE5300 M2
45
1
3//0
UM1 x2 TE5310 2M2
55
2
3//0
SM2
SM2
-
-
35 85 55
2
3.5
2.2//0.5
Notes:
- Parallel term ination capacity is adjusted for optim um filter response.
4-16
Vol. 2
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