75

ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM

CRYSTAL FILTERS

CRYSTAL FILTERS

MONOLITHIC CRYSTAL FILTERS

NOMINAL

NUMBER

PASSBAND

RIPPLE

INSERTION

STOPBAND

STOPBAND

GUARANTEED

TERMINATING

MODEL

OF

3dB MIN.

MAX.

LOSS MAX.

MAX.

MAX.

ATTENUATION

IMPEDANCE

CASE

(MHz)

POLES

(KHz)

(dB)

(dB)

(dB) (KHz)

(dB) (KHz)

(Ohms/pF)

35 +300 ~ +1000

ECS-10.7-15A

10.7

2

±7.5

0.5

2.0

18 ±25

40 -200 ~ -1000

3000//2.0

HC-49/U

55 +300 ~ +1000

ECS-10.7-15B

10.7

4

±7.5

1.0

2.5

40 ±25

80 -200 ~ -1000

3000//2.0

HC-49/U x 2

ECS-10.7-15C

10.7

6

±7.5

2.0

3.0

45 ±17.5

65 ±25

65 ±25 ~ ±300

3000//1.5

SC-3

ECS-10.7-15D

10.7

8

±7.5

2.0

4.0

70 ±17.5

90 ±25

90 ±25 ~ ±300

3000//1.5

SC-4

ECS-10.7-15E

10.7

10

±7.5

2.0

4.5

75 ±15

90 ±20

90 ±20 ~ ±300

3000//1.5

SC-5

35 +350 ~ +1000

ECS-21K15A

21.4

2

±7.5

0.5

1.5

18 ±25

50 -200 ~ -1000

1500//3.0

UM-1

65 +350 ~ +1000

ECS-21K15B

21.4

4

±7.5

1.0

2.0

40 ±25

80 -200 ~ -1000

1500//2.0

UM-1 x 2

ECS-21K15C

21.4

6

±7.5

2.0

2.5

45 ±17.5

65 ±25

65 ±25 ~ ±300

1500//2.0

SC-1

ECS-21K15D

21.4

8

±7.5

2.0

3.0

65 ±17.5

90 ±25

90 ±25 ~ ±300

1500//2.0

SC-1

ECS-21K15E

21.4

10

±7.5

2.0

4.0

75 ±17.5

90 ±20

90 ±25 ~ ±300

1500//2.0

SC-2

For 25 KHz Channel Spacing (Operating Temperature -20 to +70˚C)

NOMINAL

NUMBER

PASSBAND

RIPPLE

INSERTION

STOPBAND

STOPBAND

GUARANTEED

TERMINATING

MODEL

OF

3dB MIN.

MAX.

LOSS MAX.

MAX.

MAX.

ATTENUATION

IMPEDANCE

CASE

(MHz)

POLES

(KHz)

(dB)

(dB)

(dB) (KHz)

(dB) (KHz)

(Ohms/pF)

30 +300 ~ +1000

ECS-10.7-30A

10.7

2

±15

0.5

1.5

15 ±50

40 -300 ~ -1000

5000//0

HC-49/U

ECS-10.7-30B

10.7

4

±15

1.0

2.5

30 ±40

30 ±40 ~ ±300

5500//-1.0

HC-49/U x2

ECS-10.7-30C

10.7

6

±15

2.0

3.0

60 ±45

60 ±45 ~ ±300

5500//-1.0

SC-3

ECS-10.7-30D

10.7

8

±15

2.0

3.5

70 ±40

90 ±50

90 ±50 ~ ±300

5500//-1.0

SC-4

35 +350 ~ +1000

ECS-21K30A

21.4

2

±15

0.5

1.5

15 ±45

45 -300 ~ -1000

1500//1.0

UM-1

65 +350 ~ +1000

ECS-21K30B

21.4

4

±15

1.0

2.0

40 ±50

80 -250 ~ -1000

1800//0.5

UM-1 x 2

ECS-21K30C

21.4

6

±15

2.0

2.5

45 ±35

65 ±50

65 ±50 ~ ±300

2200//0.5

SC-1

ECS-21K30D

21.4

8

±15

2.0

3.5

70 ±35

90 ±50

90 ±50 ~ ±1000

2200//0.5

SC-1

For 50 KHz Channel Spacing (Operating Temperature -20 to +70˚C)

NOMINAL

NUMBER

PASSBAND

RIPPLE

INSERTION

STOPBAND

STOPBAND

GUARANTEED

TERMINATING

MODEL

OF

3dB MIN.

MAX.

LOSS MAX.

MAX.

MAX.

ATTENUATION

IMPEDANCE

CASE

(MHz)

POLES

(KHz)

(dB)

(dB)

(dB) (KHz)

(dB) (KHz)

(Ohms/pF)

ECS-45K7.5A

45.0

2

±3.75

1.0

2.0

10 ±12.5

65

-910

350//10.5

UM-1

ECS-45K7.5B

45.0

4

±3.75

1.0

4.0

30 ±12.5

90

±910

350//6.5

UM-1 x 2

ECS-45K15A

45.0

2

±7.5

1.0

2.0

15 ±25

75

-910

650//5.0

UM-1

ECS-45K15B

45.0

4

±7.5

1.0

3.0

30 ±25

90

±910

650//3.0

UM-1 x 2

ECS-45K20A

45.0

2

±10

0.5

2.0

15 ±30

65

-910

910//2.5

UM-1

ECS-45K20B

45.0

4

±10

1.0

3.0

35 ±40

90

±910

910//2.5

UM-1 x 2

ECS-45K30A

45.0

2

±15

1.0

2.0

15 ±50

70

-910

1200//1.5

UM-1

ECS-45K30B

45.0

4

±15

1.0

3.0

35 ±50

90

±910

1200//0.7

UM-1 x 2

45 MHz Monolithic Crystal Filters (Operating Temperature -20 to +70˚C)

ELECTRICAL CHARACTERISTICS (10.7 and 21.4 MHz)