MONOLITHIC CRYSTAL FILTERS
ELECTRICAL CHARACTERISTICS (10.7 and 21.4 MHz)
For 25 KHz Channel Spacing (Operating Temperature -20 to +70˚C)
MODEL
ECS-10.7-15A
ECS-10.7-15B
ECS-10.7-15C
ECS-10.7-15D
ECS-10.7-15E
ECS-21K15A
ECS-21K15B
ECS-21K15C
ECS-21K15D
ECS-21K15E
NOMINAL
FREQ. (f
O
)
(MHz)
10.7
10.7
10.7
10.7
10.7
21.4
21.4
21.4
21.4
21.4
NUMBER
OF
POLES
2
4
6
8
10
2
4
6
8
10
PASSBAND
3dB MIN.
(KHz)
±7.5
±7.5
±7.5
±7.5
±7.5
±7.5
±7.5
±7.5
±7.5
±7.5
RIPPLE
MAX.
(dB)
0.5
1.0
2.0
2.0
2.0
0.5
1.0
2.0
2.0
2.0
INSERTION
LOSS MAX.
(dB)
2.0
2.5
3.0
4.0
4.5
1.5
2.0
2.5
3.0
4.0
STOPBAND
MAX.
(dB) (KHz)
18 ±25
40 ±25
45 ±17.5
70 ±17.5
75 ±15
18 ±25
40 ±25
45 ±17.5
65 ±17.5
75 ±17.5
65 ±25
90 ±25
90 ±20
65 ±25
90 ±25
90 ±20
STOPBAND
MAX.
(dB) (KHz)
GUARANTEED
ATTENUATION
(dB) (f
O
±KHz)
35 +300
40 -200
55 +300
80 -200
65 ±25
90 ±25
90 ±20
35 +350
50 -200
65 +350
80 -200
65 ±25
90 ±25
90 ±25
~
~
~
~
~
~
~
~
~
~
~
~
~
~
+1000
-1000
+1000
-1000
±300
±300
±300
+1000
-1000
+1000
-1000
±300
±300
±300
TERMINATING
IMPEDANCE
(Ohms/pF)
3000//2.0
3000//2.0
3000//1.5
3000//1.5
3000//1.5
1500//3.0
1500//2.0
1500//2.0
1500//2.0
1500//2.0
CASE
HC-49/U
HC-49/U x 2
SC-3
SC-4
SC-5
UM-1
UM-1 x 2
SC-1
SC-1
SC-2
For 50 KHz Channel Spacing (Operating Temperature -20 to +70˚C)
MODEL
ECS-10.7-30A
ECS-10.7-30B
ECS-10.7-30C
ECS-10.7-30D
ECS-21K30A
ECS-21K30B
ECS-21K30C
ECS-21K30D
NOMINAL
FREQ. (f
O
)
(MHz)
10.7
10.7
10.7
10.7
21.4
21.4
21.4
21.4
NUMBER
OF
POLES
2
4
6
8
2
4
6
8
PASSBAND
3dB MIN.
(KHz)
±15
±15
±15
±15
±15
±15
±15
±15
RIPPLE
MAX.
(dB)
0.5
1.0
2.0
2.0
0.5
1.0
2.0
2.0
INSERTION
LOSS MAX.
(dB)
1.5
2.5
3.0
3.5
1.5
2.0
2.5
3.5
STOPBAND
MAX.
(dB) (KHz)
15 ±50
30 ±40
60 ±45
70 ±40
15 ±45
40 ±50
45 ±35
70 ±35
65 ±50
90 ±50
STOPBAND
MAX.
(dB) (KHz)
GUARANTEED
ATTENUATION
(dB) (f
O
±KHz)
30 +300 ~ +1000
40 -300 ~ -1000
30 ±40 ~ ±300
60 ±45 ~ ±300
90 ±50 ~ ±300
35 +350 ~ +1000
45 -300 ~ -1000
65 +350 ~ +1000
80 -250 ~ -1000
65 ±50 ~ ±300
90 ±50 ~ ±1000
TERMINATING
IMPEDANCE
(Ohms/pF)
5000//0
5500//-1.0
5500//-1.0
5500//-1.0
1500//1.0
1800//0.5
2200//0.5
2200//0.5
CASE
HC-49/U
HC-49/U x2
SC-3
SC-4
UM-1
UM-1 x 2
SC-1
SC-1
90 ±50
45 MHz Monolithic Crystal Filters (Operating Temperature -20 to +70˚C)
MODEL
ECS-45K7.5A
ECS-45K7.5B
ECS-45K15A
ECS-45K15B
ECS-45K20A
ECS-45K20B
ECS-45K30A
ECS-45K30B
NOMINAL
FREQ. (f
O
)
(MHz)
45.0
45.0
45.0
45.0
45.0
45.0
45.0
45.0
NUMBER
OF
POLES
2
4
2
4
2
4
2
4
PASSBAND
3dB MIN.
(KHz)
±3.75
±3.75
±7.5
±7.5
±10
±10
±15
±15
RIPPLE
MAX.
(dB)
1.0
1.0
1.0
1.0
0.5
1.0
1.0
1.0
INSERTION
LOSS MAX.
(dB)
2.0
4.0
2.0
3.0
2.0
3.0
2.0
3.0
STOPBAND
MAX.
(dB) (KHz)
10 ±12.5
30 ±12.5
15 ±25
30 ±25
15 ±30
35 ±40
15 ±50
35 ±50
STOPBAND
MAX.
(dB) (KHz)
GUARANTEED
ATTENUATION
(dB) (f
O
±KHz)
65
90
75
90
65
90
70
90
-910
±910
-910
±910
-910
±910
-910
±910
TERMINATING
IMPEDANCE
(Ohms/pF)
350//10.5
350//6.5
650//5.0
650//3.0
910//2.5
910//2.5
1200//1.5
1200//0.7
CASE
UM-1
UM-1 x 2
UM-1
UM-1 x 2
UM-1
UM-1 x 2
UM-1
UM-1 x 2
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. ]
