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ECS-21K7.5B 参数 Datasheet PDF下载

ECS-21K7.5B图片预览
型号: ECS-21K7.5B
PDF下载: 下载PDF文件 查看货源
内容描述: 单片晶体滤波器 [MONOLITHIC CRYSTAL FILTERS]
分类和应用: 晶体晶体滤波器LTE
文件页数/大小: 3 页 / 206 K
品牌: ECS [ ECS, INC. ]
 浏览型号ECS-21K7.5B的Datasheet PDF文件第2页浏览型号ECS-21K7.5B的Datasheet PDF文件第3页  
MONOLITHIC CRYSTAL FILTERS  
ECS’s Monolithic Crystal Filters have very  
FEATURES  
high Q’s and excellent temperature and  
aging characteristics. These filters offer  
narrow and intermediate bandwidths. The  
monolithic crystal filter is smaller and more  
cost effective than a discrete crystal  
High stability for wide temperature ranges  
• Sharp cut-off  
• RoHS Compliant (Pb Free)  
filter. With the addition of coupling  
capacitors between two-pole sections, they  
can be cascaded to produce four, six and  
eight (or more) pole filter responses.  
ELECTRICAL CHARACTERISTICS (10.7 and 21.4 MHz)  
For 12.5 KHz Channel Spacing (Operating Temperature -20 to +70˚C)  
RIPPLE  
MAX.  
(dB)  
NOMINAL NUMBER  
PASSBAND  
3dB MIN.  
(KHz)  
INSERTION  
LOSS MAX.  
(dB)  
STOPBAND  
MAX.  
(dB) (KHz)  
STOPBAND  
GUARANTEED  
ATTENUATION  
(dB) (fO  
KHz)  
TERMINATING  
IMPEDANCE  
(Ohms/pF)  
MODEL  
FREQ. (f  
(MHz)  
O
)
OF  
MAX.  
CASE  
POLES  
(dB) (KHz)  
35 +300 ~ +1000  
50 -200 ~ -1000  
65 +300 ~ +1000  
ꢀ0 -200 ~ -1000  
65 12.5 ~ 300  
90 12.5 ~ 300  
75 -910  
ECS-10.7-7.5A  
ECS-10.7-7.5B  
10.7  
10.7  
2
4
3.75  
3.75  
0.5  
1.0  
1.5  
2.5  
20 1ꢀ  
40 14  
1ꢀ00//5.0  
1ꢀ00//4.0  
HC-49/U  
HC-49/U x 2  
ECS-10.7-7.5C  
ECS-10.7-7.5D  
ECS-21K7.5A  
ECS-21K7.5B  
ECS-21K7.5C  
ECS-21K7.5D  
ECS-21K7.5E  
10.7  
10.7  
21.4  
21.4  
21.4  
21.4  
21.4  
6
2
4
6
3.75  
3.75  
3.75  
3.75  
3.75  
3.75  
3.75  
2.0  
2.0  
0.5  
1.0  
2.0  
2.0  
2.0  
3.5  
4.0  
2.0  
2.5  
3.0  
4.0  
4.5  
45 ꢀ.75  
65 ꢀ.75  
1ꢀ 12.5  
35 12.5  
45 ꢀ.75  
65 12.5  
90 12.5  
1ꢀ00//3.5  
1ꢀ00//3.5  
1500//6.0  
ꢀ50//5.0  
ꢀ50//5.0  
ꢀ50//5.0  
ꢀ50//5.0  
SC-3  
SC-4  
UM-1  
UM-1 x 2  
SC-1  
90 910  
65 12.5  
90 12.5  
90 10.5  
65 12.5 ~ 300  
90 12.5 ~ 300  
90 12.5 ~ 300  
10  
65  
9
SC-1  
SC-2  
75 ꢀ.75  
For 20 KHz Channel Spacing (Operating Temperature -20 to +70˚C)  
RIPPLE  
MAX.  
(dB)  
NOMINAL  
FREQ. (f  
(MHz)  
NUMBER PASSBAND  
INSERTION  
LOSS MAX.  
(dB)  
STOPBAND  
MAX.  
(dB) (KHz)  
STOPBAND  
MAX.  
(dB) (KHz)  
GUARANTEED  
ATTENUATION  
(dB) (fO  
KHz)  
TERMINATING  
IMPEDANCE  
(Ohms/pF)  
MODEL  
O
)
OF  
3dB MIN.  
(KHz)  
CASE  
POLES  
35 +300 ~ +1000  
40 -200 ~ -1000  
65 +300 ~ +1000  
ꢀ0 -200 ~ -1000  
65 20 ~ 300  
90 20 ~ 300  
35 +350 ~ +1000  
50 -200 ~ -1000  
65 +350 ~ +1000  
70 -200 ~ -1000  
65 20 ~ 300  
90 20 ~ 300  
ECS-10.7-12A  
MF 10.7-12B  
10.7  
10.7  
2
4
6.0  
6.0  
0.5  
1.0  
2.0  
2.5  
1ꢀ 23  
40 20  
2500//2.5  
2500//1.5  
HC-49/U  
HC-49/U x 2  
MF 10.7-12C  
MF 10.7-12D  
10.7  
10.7  
6
6.0  
6.0  
2.0  
2.0  
3.0  
4.0  
45 14  
65 14  
60 20  
90 20  
2ꢀ00//1.0  
2ꢀ00//1.0  
SC-3  
SC-4  
ECS-21K12A  
ECS-21K12B  
21.4  
21.4  
2
4
6.0  
6.0  
0.5  
1.0  
2.0  
2.5  
1ꢀ 23  
40 20  
1200//3.0  
1200//2.5  
UM-1  
UM-1 x 2  
ECS-21K12C  
ECS-21K12D  
21.4  
21.4  
6
6.0  
6.0  
2.0  
2.0  
3.0  
4.0  
45 14  
65 14  
65 20  
90 20  
1200//2.5  
1200//2.5  
SC-1  
SC-1  
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM  
CRYSTAL FILTERS 74 CRYSTAL FILTERS