Suspended Substrate Filter

Suspended microstrip technology is a printed circuit board technology that has a high Q value and can be used to make ultra-narrowband and ultra-wideband filters.

Suspended Substrate Filter

Suspended microstrip technology is a printed circuit board technology that has a high Q value and can be used to make ultra-narrowband and ultra-wideband filters. Moreover, it is a quasi-planar structure that can be easily connected to the microstrip line and waveguide.
In this paper, the design of suspended microstrip line filter is attempted, including the design of interfinger-type suspended microstrip line bandpass filter, suspended microstrip transition/waveguide transition device, suspended microstrip/microstrip transition device, and the production of real objects.

PRODUCTION CAPACITY OF SUSPENDED SUBSTRATE

Suspended Substrate Highpass

※ Features
Ø Cover the 2GHz to 18GHz Frequency Range;
Ø BroadBand Dsign;

※ The following is a partial list of suspended substrate highpass filters and their specifications that we have produced.

Model	Passpand (MHz)	Start Freq (MHz)	Stopband (MHz)	Rejection (dB)	Connector	Dimension (mm)
SH1500-5000	1500-5000	(-1dB) 1500.0	1000	>=55	SMA-K	65×37×10
SH2000-6000-3RCS	2000-6000	(-1dB) 2000.0	1300	>=40	SMA-K	52×35×10
MH2000-8000-7	2000-8000	(-1.5dB) 2000.0	1500	>=55	SMA-K	52×35×10
SH2000-8400-3RCS	2000-8400	(-1.5dB) 2000.0	1300	>=45	SMA-K	57×41×10
MH2300-6000CS	2300-6000	(-1.5dB) 2300.0	1800	>=50	SMA-K	52×35×10
SH3500-10000	3500-10000	(-1dB) 3500.0	2800	>=50	SMA-K	36×36×10
SH5000-11000-3RCS	5000-11000	(-1dB) 5000.0	2230	>=45	SAM-K	30×30×10
SH5000-18000-6RCS	5000-18000	(-1.5dB) 5000.0	4100	>=70	SMA-K	42×28×10
SH6000-12000-3RCS	6000-12000	(-1.2dB) 6000.0	5000	>=45	SMA-K	27×30×10
MH6000-18000-6CSJ	6000-18000	(-1dB) 6000.0	4600	>=50	in::SMA-K,Out::SMA-J	30×27×10
MH6000-18000-12CSJ	6000-18000	(-1.5dB) 6000.0	4600	>=70	In:SMA-K,Out:SMA-J	40×22×10
SH8000-18000	8000-18000	(-1.5dB) 8000.0	7000	>=30	SMA-K	27×30×10
SH8300-14000-4RCS	8300-14000	(-2.0dB) 8300.0	8000	>=25	SMA-K	27×30×10
SH9000-15000-3RCS	9000-15000	(-1.2dB) 9000.0	17000	>=65	SMA-K	27×30×10
SH10000-16000-3RCS	10000-16000	(-1.3dB) 10000.0	8000	>=35	SMA-K	28×28×10
SH10000-20000	10000-20000	(-2dB) 10000.0	8500	>=50	SMA-K	28×28×10
SH11000-18000-3RCS	11000-18000	(-1.2dB) 11000.0	2230	>=45	SMA-K	25×20×10
SH12000-18000	12000-18000	(-2.2dB) 12000.0	10000	>=35	In:SMA-J,Out:SMA-K	50×30×10
SH12000-2000-3RCS	12000-20000	(-1.2dB) 12000.0	1000	>=65	SMA-K	25×20×10
SH12400-17000-4RCSJ	12400-17000	(-1.3dB) 12400.0	7000	>=50	In:SMA-J,Out:SMA-K	25×20×10
SH12500-16000-3RCS	12500-16000	(-1.2dB) 12500.0	8000	>=35	SMA-K	28×28×10
SH14000-18000-3RC	14000-18000	(-1.2dB) 14000.0	12000	>=55	ф0.4mm Pin	25×20×10
MH14500-6CKJ	14500-36500	(-3dB) 14500.0	3500	>=45	In:SMA-K,Out:SMA-J	28×29×10

Suspended Substrate Bandpas

※ Features
Ø Ultra Broadband;
Ø Cover the 2GHz to 20GHz Frequency Range;
Ø 3dB BW Available from 40% to 90%;
Ø Designs Available in 3~7 sections;

※ The following is a partial list of suspended substrate bandpass filters and their specifications that we have produced.

Model	Passpand Freq (MHz)	IL(f0) (dB)	Stopband 1	Stopband 2	Connector	Dimension (mm)
MB4000-4000CS	2000-6000	1.8	1.5G,>=60dB	6.9G,>=60dB	SMA-K	52×35×10
MB5000-6000-7	2000-8000	2.5	1.55G,>=60dB	8.6G,>=60dB	SMA-K	57×41×10
MB5540-4000CS	3540-7540	3	3.3G,>=60dB	8.2G,>=60dB	SMA-K	53×38×10
SB3200-3000-3RCS	1700-4700	1.9	1.0G,>=40dB	6G, >=60dB	SMA-K	58×45×10
SB3500-3000-7RCS	2000-5000	1.8	1.1G,>=45dB	5.7G, >=45dB	SMA-K	57×41×10
SB4000-4000IF	2000-6000	2	1.6G,>=45dB	6.9G, >=45dB	ф0.4mm Pin	55×38×9
SB5225-5850-3RCS	2300-5850	2.3	1.5G,>=45dB	9.2G, >=50dB	ф0.4mm Pin	55×35×10
SB6000-4000	4000-8000	2.5	5.5G,>=55dB	8.8G,>=60dB	SMA-K	45×40×10
SB6000-6000-7RCS	3000-9000	1.6	2.0G,>=55dB	11G, >=55dB	SMA-K	45×32×10
SB6000-16000-3RCS	6000-16000	1	4.7G,>=45dB	—	SMA-K	27×30×10
SB7500-5000	5000-10000	2	4.2G,>=50dB	11G,>=50dB	SMA-K	45×30×10
SB8000-8000	4000-12000	2.8	3.2G,>=60dB	13.2G,>=60dB	SMA-K	44×33×10
SB9000-6000-7RCSJ	6000-12000	2.7	5.0G,>=45dB	13G, >=45dB	In:SMA-K,Out:SMA-J	42×28×10
SB10000-4000-3RCS	8000-12000	2.8	6.5G,>=35dB	13.2G, >=55dB	SMA-K	37×30×10
SB11000-14000CS	4000-18000	2.5	3.5G,>=30dB	19G, >=25dB	SMA-K	32×22×10
SB12000-12000-7RCS	6000-18000	2.4	4.2G,>=40dB	20G, >=45dB	SMA-K	40×30×10
SB12000-124000-7RCS	5800-18200	2.8	4.0G,>=45dB	20G, >=50dB	SMA-K	40×30×10
SB13000-10000-3RCS	8000-18000	3	6.5G,>=55dB	20G, >=50dB	SMA-K	33×30×10
SB15000-6000-3RCS	12000-18000	3.1	11G,>=50dB	19G, >=30dB	SMA-K	32×20×10

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