Bandpass Filters, mmWave Filters | Knowles Precision Devices

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Description

DLI microstrip bandpass filters offer classical filter topologies yielding excellent performance in a small footprint when fabricated on ceramic substrate materials. Miniaturization can reach new levels by employing DLI high-k ceramic materials. Different techniques are employed to realize small size and high performance. Catalog devices come complete with integrated shielding and the surface mount versions are designed for use on most RF PWB materials. Typical features include center frequency from C to K band although custom devices are avaliable from 1 to 60 GHz. Band pass filters pass desired frequency range and suppress the rest of undesired spectrum. Designed from 800MHz to 67GHz

Temperature Stable: -55 to 125 degree C
Filter Size reduction: up to 20x using CG material, 10x using CF, 3 times using PG versus typical PWB
High Repeatability - Thin Film manufacturing provides precise manufacturing performance; no tuning

Part Number	Data Sheet	Center Frequency (GHz)	Passband (GHz)	Insertion Loss (@Fc)		VSWR 50Ω System	Rejection (GHz)		Length Inches (mm)	Width Inches (mm)	Height Inches (mm)
				Insertion Loss (@Fc)			LS Rejection (40dB)	HS Rejection (40dB)
				@25°C	-40°C to +85°C		LS Rejection (40dB)	HS Rejection (40dB)
B012MD5S		1.227	1.22 to 1.23	3.5 dB	4.2 dB	2.0:1	DC to 0.925	1.45 to 2.5	0.460 (11.68)	0.460 (11.68)	0.113 (2.87)
B016MD6S		1.575	1.57 to 1.58	3.5 dB	4.2 dB	2.0:1	DC to 1.175	1.875 to 3.0	0.460 (11.68)	0.460 (11.68)	0.113 (2.87)
B024RF2S		2.4	1.97 to 3.05	3.0 dB	3.5 dB	2.0:1	DC to 1.25	3.8 to 4.75	0.500 (12.7)	0.250 (6.35)	0.110 (2.79)
B028RF2S		3.0	2.0 to 4.0	2.5 dB	3.0 dB	1.63:1	DC to 1.25	4.85 to 6.0	0.450 (11.43)	0.400 (10.16)	0.113 (2.87)
B031ND5S		3.125	2.9 to 3.33	3.0 dB	3.5 dB	2.0:1	DC to 2.4	3.85 to 7.0	0.500 (12.7)	0.250 (6.35)	0.100 (2.54)
B032ND5S		3.24	2.95 to 3.55	3.0 dB	3.5 dB	1.67:1	DC to 2.3	4.1 to 7.0	0.500 (12.7)	0.250 (6.35)	0.110 (2.79)
B033ND5S		3.3	3.1 to 3.5	2.0 dB	3.2 dB	2.0:1	DC to 2.25	4.0 to 6.0	0.393 (9.98)	0.353 (8.97)	0.128 (3.25)
B039NC5S		3.95	3.7 to 4.2	2.5 dB	2.75 dB	2.0:1	DC to 3.0	4.8 to 8.0	0.500 (12.7)	0.250 (6.35)	0.110 (2.79)
B040MB5S		4.0	3.78 to 4.22	2.5 dB	2.75 dB	2.0:1	DC to 3.4	4.6 to 10.0	0.500 (12.7)	0.250 (6.35)	0.100 (2.54)
B042OD4S		4.25	3.75 to 4.75	3.0 dB	3.5 dB	1.67:1	DC to 3.0	5.6 to 10.0	0.500 (12.7)	0.250 (6.35)	0.110 (2.79)
B047MC5S		4.7	4.4 to 5.0	2.0 dB	2.5 dB	2.0:1	DC to 3.8	5.5 to 11.0	0.500 (12.7)	0.250 (6.35)	0.100 (2.54)
B050ND4S		5.0	4.5 to 5.5	2.0 dB	2.5 dB	1.67:1	DC to 3.65	6.15 to 12.0	0.350 (8.89)	0.200 (5.08)	0.095 (2.41)
B052NC5S		5.2	4.8 to 5.6	2.25 dB	2.75 dB	1.67:1	DC to 3.5	6.2 to 12.5	0.350 (8.89)	0.200 (5.08)	0.095 (2.41)
B055NC5S		5.5	5.0 to 6.0	2.0 dB	2.5 dB	1.67:1	DC to 4.2	6.75 to 12.0	0.350 (8.89)	0.200 (5.08)	0.095 (2.41)
B057MC5S		5.7	5.45 to 5.95	2.0 dB	2.5 dB	1.67:1	DC to 4.7	6.6 to 14.25	0.350 (8.89)	0.200 (5.08)	0.110 (2.79)
B058MD7S		5.7	5.5 to 6.1	2.3 dB	2.8 dB	1.67:1	DC to 4.65	7.0 to 16.0	0.475 (12.1)	0.275 (7.00)	0.103 (2.62)
B056RC4S		6.0	4.0 to 8.0	3.0 dB	3.5 dB	1.5:1	DC to 3.0	9.5 to 12.0	0.450 (11.43)	0.230 (5.84)	0.100 (2.54)
B060NC5S		6.0	5.5 to 6.5	2.0 dB	3.0 dB	1.29:1	DC to 4.9	7.1 to 14.0	0.500 (12.7)	0.200 (5.08)	0.088 (2.24)
B062MC5S		6.3	5.9 to 6.7	2.5 dB	2.75 dB	1.67:1	DC to 5.2	7.5 to 15.0	0.500 (12.7)	0.250 (6.35)	0.095 (2.41)
B065NC5S		6.5	6.0 to 7.0	3.0 dB	3.5 dB	1.67:1	DC to 5.2	7.75 to 15.0	0.500 (12.7)	0.250 (6.35)	0.095 (2.41)
B070NC5S		7.0	6.37 to 7.63	2.0 dB	2.5 dB	2.0:1	DC to 5.8	8.5 to 17.5	0.500 (12.7)	0.200 (5.08)	0.100 (2.54)
B070MB6S		7.1	6.7 to 7.25	2.5 dB	2.75 dB	2.0:1	DC to 6.2	7.82 to 15.0	0.500 (12.7)	0.200 (5.08)	0.100 (2.54)
B076MB6S		7.6	7.24 to 7.96	2.5 dB	2.75 dB	2.0:1	DC to 6.69	8.52 to 18.25	0.500 (12.7)	0.200 (5.08)	0.100 (2.54)
B080MB5S		8.0	7.5 to 8.5	2.0 dB	3.0 dB	1.29:1	DC to 6.8	9.25 to 17.0	0.500 (12.7)	0.180 (4.57)	0.100 (2.54)
B081RC0S		8.5	6.0 to 11.0	3.4 dB	3.9 dB	2.0:1	DC to 3.5	14.0 to 19.0	0.190 (4.83)	0.100 (2.54)	0.090 (2.87)
B096QC2S		10.0	8.0 to 12.0	2.5 dB	3.0 dB	2.0:1	DC to 6.0	14 to 18.0	0.400 (10.86)	0.180 (4.57)	0.100 (2.54)
B120MB1S		12.0	11.5 to 12.5	2.0 dB	3.0 dB	1.29:1	DC to 10.6	13.2 to 19.5	0.525 (13.34)	0.225 (5.72)	0.090 (2.27)
B148QF0S		15.0	12.0 to 18.0	3.6 dB	4.2 dB	1.63:1	DC to 7.6	23 to 25.0	0.550 (13.97)	0.150 (3.81)	0.098 (2.49)
B161LA0S		16.0	15.5 to 16.5	4.0 dB	6.0 dB	1.67:1	DC to 14.7	17.2 to 22.0	0.695 (17.65)	0.250 (6.35)	0.093 (2.36)
B274MB1S		28.0	26.5 to 29.5	3.25 dB	3.5 dB	1.92:1	DC to 24.0	31.0 to 39.0	0.450 11.43)	0.110 (2.794)	0.089 (2.26)
B280LB0S		28.0	27.0 to 29.0	1.5 dB	2.0 dB	2.0:1	DC to 25.0	30.75 to 34.25	0.350 (8.89)	0.120 (3.05)	0.098 (2.49)
B280LA0S		28.0	27.5 to 28.5	4.0 dB	4.5 dB	2.0:1	DC to 26.1 (30dB)	30.0 to 37.0 (30dB)	0.550 (14.00)	0.140 (3.56)	0.083 (2.11)
B385MD0S		38.5	37.0 to 40.0	2.5 dB	2.75 dB	1.92:1	DC to 34.0	45.0 to 50.0	0.275 (6.985)	0.080 (2.032)	0.075 (1.905)
B424MEZS		42.5	39.7 to 45.3	1.5 dB	2.0 dB	2.0:1	DC to 37.0 (30dB)	47.5 to 60.0 (30dB)	0.236 (6.00)	0.080 (2.03)	0.065 (1.65)

Click on Part Number for data package including S-Parameters, datasheet and layout information.

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