Custom Crystal Filters 18MHz to 45MHz

crystal filterOverview of custom designed crystal filters from 18 MHz up to 45 MHz in various package styles. We are able to design crystal filters according customer requirements for Commercial, Military, Airborne and Space Applications.button request a quote

For information or a quotation contact FCD-Tech.

Model

Freq.
(MHz)

Passband
(dB | KHz)

I.L
(dB)

Ripple
max.
(dB)

Stopband
(dB | KHz)

Spurs
min.
(dB)

Ultim.
min.
(dB)

Impd.
ohms
(Z)

Temp.
Range
(C)

Package
LxWxH
(mm)

XF2698

18.100

3.0

+/-3.0

4.0

1.0

80

+/-75

60

90

4700

-40/+65

38.4X19.3X13

XF9599

20.000

6.0

+/- 1.8

4.0

1.0

70

+/- 20

75

85

50

-30/+85

57.2X19.5X19.1

XF9600

20.000

3.0

+/- 1.5

5.0

1.0

60

+/- 36

60

90

1800

-40/+85

53.4X19.45X16.5

XF4758

20.025

6.0

+/-20

6.0

1.0

60

+/-19.6

 

90

1800

-55/+85

FK-17

XF4759

20.050

2.5

+/- 3.5

4.5

1.5

60

+/- 33

 

80

3250

-55/+85

44.5X5.9X16

XF4316

20.400

3.0

+/- 0.6

5.0

1.0

50

+/- 160

60

80

50

-20/+70

38.4X18.2X13

XF9808*

20.700

6.0

+/-2.8

5.0

2.0

45

+/-8.75

 

65

1800

-40/+80

FK-06

XF9850*

20.700

6.0

+/- 1.5

4.0

1.0

45

+/-8.75

 

65

850

-40/+80

FK-06

XF9116*

21.400

3.0

+/-3.5

4.5

2.0

60

+/-6.5

 

80

470//15PF

-20/+70

41.5x16.2x12SMD

XF9117*

21.400

3.0

+/-12.0

3.5

2.0

70

+/-23

 

90

470//15PF

-20/+70

41.5x16.2x12SMD

XF9835*

21.400

6.0

+/- 15

3.0

1.0

45

+/-8.75

60

65

850

-40/+85

FK-05

XF9842

21.400

3.0

+/- 6.5

2.0

2.0

45

+/- 6.7

 

 

50

-40/+85

FK-11

XF9766

21.400

3.0

+/- 4

4.0

1.0

65

+/-17.5

80

90

1500

-40/+85

11X8.5X11.5

XF9839

21.400

3.0

+/- 8

8.0

1.0

60

+/- 20

80

80

50

-40/+85

FK-12

XF9831*

21.400

6.0

+/- 10

6.0

0.5

70

+/- 100

60

70

1500

-40/+85

FK-11

XF9783*

21.400

3.0

+/- 15

4.0

0.5

60

+/-30

 

80

50

-20/+70

38.4X18.2X13

XF9750

21.400

3.0

+/- 100

10.0

1.0

60

+/-150

50

70

50

-20/+70

FK-11

XF9838*

21.400

7.0

+/- 25

8.0

0.1

60

+/-150

50

60

50

-40/+85

FK-11

XF5538

21.400

3.0

+/- 9

4.5

2.0

60

+/-370

 

 

50

-55/+85

44.5X16X15.3

XF9928

21.450

3.0

+/-15

3.0

2.0

65

+/-35

80

85

2300

-40/+80

FK-05

XF9916

21.4865

3.0

+/-3.75

3.5

2.0

45

+/-8.75

 

80

850

-20/+70

FK-05

XF9917

21.4865

3.0

+/-10

3.0

2.0

45

+/-24.5

 

60

1800

-20/+70

FK-05

XF9840*

21.650

3.0

+/- 12

4.0

2.0

60

+/- 80

80

80

50

-40/+85

FK-12

XF9870

22.500

3.0

+/- 8

4.0

2.0

60

+/- 100

 

 

50

-20/+80

FK-12

XF5300

25.500

6.0

+/- 18

3.2

0.5

70

+/- 90

70

90

2800

-35/+85

FK-18

XF5382*

27.0208

3.0

+/- 25

6.0

0.5

30

+/- 10

 

 

50

-20/+85

50.3X17.2X6.6SMD

XF5377

30.000

1.5

+/- 28

4.0

1.5

60

+/- 70

 

 

50

-55/+90

50.8X20.3X12.7

XF9843

30.000

3.0

+/- 31

5.0

1.5

70

+/-11.5

30

40

800

-20/+70

2XUM-1

XF9827

30.000

6.0

+/- 41

5.0

0.5

15

+/- 50

30

40

1500

-20/+70

2XUM-1

XF9833

30.000

3.0

+/- 9

3.5

0.2

20

+/- 70

50

65

50

-40/+80

25X15X10.5

XF5380

32.768

6.0

+/- 3.8

6.0

0.5

40

+/- 16

40

40

50

-25/+85

28X15.2X12

XF9967*

37.500

6.0

+/- 35

3.0

1.5

45

+/- 150

40

60

50

-40/+70

30X15X5 SMD

XF9769*

37.500

3.0

+/- 10.5

2.5

0.5

50

+/- 140

50

55

50

-20/+70

FK-12

XF9785

40.040

3.0

+/- 10.5

2.5

0.5

50

+/- 40

50

50

50

-55/+85

23.6X13X15.3

XF9868

40.455

3.0

+/-10.5

2.5

0.5

60

+/-16.5

50

60

50

-0/+60

60X25.4X12.4

XF9869

40.455

3.0

+/- 8

3.5

0.5

50

+/-100

45

60

50

-0/+60

60X25.4X12.4

XF9857

42.000

3.0

+/- 9

3.5

0.5

50

+/-500

60

70

50

-20/+70

FK-12

XF9858

43.500

3.0

+/- 12

3.5

0.5

40

+/- 27

60

70

50

-20/+70

FK-12

XF9927*

43.500

1.0

+/-180

6.0

0.5

40

+/-430

 

80

50

-25/+70

38X16.5X9

 
Special Characteristics:
• XF-9808, XF-9850, Group Delay of 40 μsec @ Fo+/-2.5 KHz, Outband IM of 80 db min @ -24 dbm
• XF-9831 - Group Delay of 2 μsec @ Fo+/-30 KHz
• XF-9116 – StopBands: => 70 dB @ fo +/- 8.33 KHz
• XF-9117 –Stop Bands: =>80 dB @ fo +/- 25 KHz Group Delay Variation:‹= 50μsec @ fo +/9.0KHz ‹=15μsec @ fo +/- 5.25 KHz. Group Delay Difference between: fo +/- 5.25 KHz < 5 μsec
• XF-9835 - Group Delay of 40 μsec @ Fo+/-2.5 KHz and Outband IM of 90 db @ -24 dbm level
• XF-9838 - Group Delay of 20 μsec @ Fo+/-45 KHz
• XF-9783 - Inband IM is 60 db min @ -20 dbm level and VSWR of 2:1 max @ Fo+/-15 KHz
• XF-9840 - VSWR of 2:1 max @ Fo+/-17 KHz
• XF-9841 - Group Delay of 35 μsec @ Fo+/-8.0 KHz and VSWR of 2.3:1 max @ Fo+/-10 KHz
• XF-9769 - Group Delay of 2 μsec @ Fo+/-20 KHz and 11 +/-1 μsec @ Fo
• XF-9856 – 4 pole SMD Package with Group Delay of 20 μsec @ Fo+/-15 KHz and Outband IM of 80 db min @ -25 dbm
 
FK-05 crystal filter drawing FK-17 crystal filter drawing FK-11 crystal filter drawing
FK-06 crystal filter drawing FK-18 crystal filter drawing FK-12 crystal filter drawing
 
 

 

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