MONOLITHIC CRYSTAL FILTERS
ELECTRICAL CHARACTERISTICS (10.7 and 21.4 MHz)
For 25 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
55 +300 ~ +1000
ꢀ0 -200 ~ -1000
65 25 ~ 300
90 25 ~ 300
90 20 ~ 300
35 +350 ~ +1000
50 -200 ~ -1000
65 +350 ~ +1000
ꢀ0 -200 ~ -1000
65 25 ~ 300
90 25 ~ 300
90 25 ~ 300
ECS-10.7-15A
ECS-10.7-15B
10.7
10.7
2
4
7.5
7.5
0.5
1.0
2.0
2.5
1ꢀ 25
40 25
3000//2.0
3000//2.0
HC-49/U
HC-49/U x 2
ECS-10.7-15C
ECS-10.7-15D
ECS-10.7-15E
10.7
10.7
10.7
6
ꢀ
10
7.5
7.5
7.5
2.0
2.0
2.0
3.0
4.0
4.5
45 17.5
70 17.5
75 15
65 25
90 25
90 20
3000//1.5
3000//1.5
3000//1.5
SC-3
SC-4
SC-5
ECS-21K15A
ECS-21K15B
21.4
21.4
2
4
7.5
7.5
0.5
1.0
1.5
2.0
1ꢀ 25
40 25
1500//3.0
1500//2.0
UM-1
UM-1 x 2
ECS-21K15C
ECS-21K15D
ECS-21K15E
21.4
21.4
21.4
6
ꢀ
10
7.5
7.5
7.5
2.0
2.0
2.0
2.5
3.0
4.0
45 17.5
65 17.5
75 17.5
65 25
90 25
90 20
1500//2.0
1500//2.0
1500//2.0
SC-1
SC-1
SC-2
For 50 KHz Channel Spacing (Operating Temperature -20 to +70˚C)
RIPPLE
MAX.
(dB)
NOMINAL
FREQ. (f
(MHz)
NUMBER
OF
POLES
PASSBAND
3dB MIN.
(KHz)
INSERTION
LOSS MAX.
(dB)
STOPBAND
MAX.
(dB) (KHz)
STOPBAND
MAX.
(dB) (KHz)
GUARANTEED
ATTENUATION
(dB) (fO
KHz)
TERMINATING
IMPEDANCE
(Ohms/pF)
MODEL
O
)
CASE
30 +300 ~ +1000
40 -300 ~ -1000
30 40 ~ 300
60 45 ~ 300
90 50 ~ 300
35 +350 ~ +1000
45 -300 ~ -1000
65 +350 ~ +1000
ꢀ0 -250 ~ -1000
65 50 ~ 300
90 50 ~ 1000
ECS-10.7-30A
10.7
2
15
0.5
1.5
15 50
5000//0
HC-49/U
ECS-10.7-30B
ECS-10.7-30C
ECS-10.7-30D
10.7
10.7
10.7
4
6
ꢀ
15
15
15
1.0
2.0
2.0
2.5
3.0
3.5
30 40
60 45
70 40
5500//-1.0
5500//-1.0
5500//-1.0
HC-49/U x2
SC-3
90 50
SC-4
ECS-21K30A
ECS-21K30B
21.4
21.4
2
4
15
15
0.5
1.0
1.5
2.0
15 45
40 50
1500//1.0
1ꢀ00//0.5
UM-1
UM-1 x 2
ECS-21K30C
ECS-21K30D
21.4
21.4
6
ꢀ
15
15
2.0
2.0
2.5
3.5
45 35
70 35
65 50
90 50
2200//0.5
2200//0.5
SC-1
SC-1
45 MHz Monolithic Crystal Filters (Operating Temperature -20 to +70˚C)
RIPPLE
MAX.
(dB)
NOMINAL
FREQ. (f
(MHz)
NUMBER
OF
POLES
PASSBAND
3dB MIN.
(KHz)
INSERTION
LOSS MAX.
(dB)
STOPBAND
MAX.
(dB) (KHz)
STOPBAND
MAX.
(dB) (KHz)
GUARANTEED
ATTENUATION
TERMINATING
IMPEDANCE
(Ohms/pF)
MODEL
O
)
CASE
(dB) (f
O
KHz)
ECS-45K7.5A
ECS-45K7.5B
ECS-45K15A
ECS-45K15B
ECS-45K20A
ECS-45K20B
ECS-45K30A
ECS-45K30B
45.0
45.0
45.0
45.0
45.0
45.0
45.0
45.0
2
4
2
4
2
4
2
4
3.75
3.75
7.5
7.5
10
10
15
15
1.0
1.0
1.0
1.0
0.5
1.0
1.0
1.0
2.0
4.0
2.0
3.0
2.0
3.0
2.0
3.0
10 12.5
30 12.5
15 25
30 25
15 30
35 40
15 50
35 50
65
90
75
90
65
90
70
90
-910
350//10.5
350//6.5
650//5.0
650//3.0
910//2.5
910//2.5
1200//1.5
1200//0.7
UM-1
UM-1 x 2
UM-1
UM-1 x 2
UM-1
UM-1 x 2
UM-1
UM-1 x 2
910
-910
910
-910
910
-910
910
ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM
CRYSTAL FILTERS 75 CRYSTAL FILTERS
ECS [ ECS, INC. ]
