Custom Crystal Filters 18MHz to 45MHz

Overview 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.

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