bowei-RF/Microwave Filters

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High Reliability RF/Microwave HIC

RF/Microwave Filters

1.Miniature LC Bandpass Filters

Model	Center Freq. Fc(MHz)	3dB Bandwidth (% of Fc)	Sections Number	VSWR	Power Handling	Impedance
MB Series LC Bandpass Filters	1-5000	3-100%	2-9	1.5:1	1W	50Ω
Note: Chebyshev response for standard, Butterworth、Bessel、Gaussian、Elliptical or more Section Number available as required.

2.Miniature LC Lowpass Filters

Model	Cutoff Freq. Fc(MHz)	Orders	VSWR	Power Handling	Impedance
LP Series LC Lowpass Filters	1-6000	1-19	1.5:1	1W	50Ω
Note: Chebyshev response for standard, Butterworth、Bessel、Gaussian、Elliptical available as required.

3.Miniature LC Highpass Filters

Model	Cutoff Freq. Fc(MHz)	Orders	VSWR	Power Handling	Impedance
HP Series LC Highpass Filters	2-2000	1-19	1.5:1	1W	50Ω
Note: Chebyshev response for standard, Butterworth、Bessel、Gaussian、Elliptical available as required.

4.Surface Mount LC Filters

Model	Freq.Range Fc(MHz)	Fractional 3dB BW(% of Fc)	Sections Number	VSWR	Power Handling	Impedance
S series SMD LC Filters	10－3000	5－100	2－7	1.5:1	1W	50Ω
Note:1.Chebyshev response for standard, Butterworth,Bessel,Gaussian available as required. 2.SBP model for bandpass shown specs.above, SLP model for lowpass, SHP model for highpass see corresponding models of LP and HP series.

5.High performance Ceramic Filters

Model	Freq.Range Fc(MHz)	Fractional 3dB BW (% of Fc)	Sections Number	VSWR	Power Handling	Impedance
DF Series Ceramic Filters	300－5000	1－7%	2－7	1.5:1	2W	50Ω

6.Miniature Ceramic Filtes

Model	Freq.Range Fc(MHz)	Fractional 3dB BW(% of Fc)	Sections Number	VSWR	Power Handling	Impedance
SMT,SMLSeries Ceramic Filters	300-3000	1-15%	2-6	1.5:1	2W	50Ω

7.Discrete Crystal Bandpass Filters

Model	Freq.Range Fc(MHz)	Fractional 3dB BW (% of Fc)	Crystal Number	VSWR	Input power dBm	Impedance
CRB series Crystal Filters	8－35	0.1－5‰	4 , 6 , 8	2.0:1	-30～0	50Ω
	35－100	0.1－0.4‰

8.Balanced Input Differential LC Filters

Model	Freq.Range Fc(MHz)	Fractional 3dB BW(% of Fc)	Sections Number	VSWR	Power Handling	Balanced Impedance
Seires differential LC Filers	2-1000	8－20%	2-6	1.5:1	1W	100Ω
Model name for Bandpass, Lowpass, Highpass are the same as MB, LP, HP series. Suffix of 22DF or SDF is needed for balanced input.

9.Miniature LC Delay Euqalizers

Model	Freq.Range (MHz)	Equalized %BW3dB or Freq. Range	Improved Percentage	VSWR	Power Handling	Impedance
DE series LC delay Equalizers( DEB,DEL,DEH series )	2-1000	Fc:5-300MHz BW:8%～80%(for DEB)	>50%(delay)	1.5:1	1W	50Ω
		Fc:5-300MHz DC～1dB Cutoff Freq.(DEL, DEH)	>75%(phase Linearity)

10.Miniature Microwave Delay
Equalizers

Model	Freq.Range (MHz)	Equalized %BW3dB	Equalized Time Available(ns)	VSWR	Power Handling	Impedance
DEM series Microwave Delay Equalizers	800-12000	4～20%	2-100	1.7:1	1W	50Ω

11. LC Amplitude Equalizers

Model	Freq.Range Fc(MHz)	Equalized Bandwidth	Equalized dB value	VSWR	Impedance
AEB series(for bandpass equalizing)	5－500	5－15%	0.5～3dB	1.5:1	50Ω
AEL(for lowpass),AEH(for highpass)	10-500	-	0.5～3dB
AES(+/-slope)	2-2000	-	(+/-)0～40dB or larger

12.Microwave Broadband Amplitude Equalizers

Model	Freq.Range Fc(GHz)	Equalized value in dB	VSWR	Impedance	Dimension (L×W×H) (mm)
AES2000/18000-16-O/O	2-18	16dB(－slope)	2.2:1	50Ω	19×18×12
AES2000/18000+21-O/O	2-18	21dB(＋slope)			19×18×12
AEIP6000/18000-6-O/O	6-18	6dB(Inverse Parabolic)			24×23×12

13.Microminiature LTCC Lowpass Filters

Model	1dB cutoff Freq. fc(MHz)TYP	Attenuation As(dB)	VSWR	Power Handling	Impedance	Dimension(YTP) (L×W×H) (mm)
LTLP225	225	20@2500MHz	1.5:1	3W	50Ω	6.6×3.2×1.9
LTLP500	500	20@3000MHz				6.6×3.2×1.9
LTLP900	900	20@3300MHz				5.0×3.2×1.9

14.Microminiature LTCC Highpass Filters

Model	1dB cutoff Freq. fc(MHz)TYP	Attenuation As(dB)	VSWR	Power Handling	Impedance	Dimension(YTP) (L×W×H) (mm)
LTHP850	850	60@DC～345MHz	1.5:1	3W	50Ω	4.4×2.4×1.8
LTHP2G	2000	60@DC～500MHz	1.5:1	3W	50Ω	4.4×2.4×1.8

15.Microminiature LTCC Bandpass Filters

Model	Center Freq. Fc(MHz)	Insertion Loss @Fc(dB)	BW3dB (MHz)	BW40dB (MHz)	VSWR	Power Handling	Impedance	Dimension(YTP) (L×W×H) (mm)
LTBP1615	1615	7(TYP)	75(TYP)	255(TYP)	2.0:1	4W	50Ω	10.4×4.2×1.2

16.Microwave LTCC Bandpass Filters

Model	Freq.Range (GHz)	Shape Factor K_40dB/3dB	VSWR	Power Handling	Impedance	I/O Connectors
LTBP seires Microwave LTCC Filters	6－18	1.8:1(TYP)	2.0:1	4W	50Ω	Microstrip pins
Note：Typical models：LTBP5.7-8.2G, LTBP7.2-10G, LTBP9.1-12.1G, LTBP13-16.1G, LTBP15.3-17.5G, passband edges(GHz) in Model.

17.Microwave Cavity Filters

Model	Freq.Range Fc(GHz)	Fractional 3dB BW(% of Fc)	Section	VSWR (Zo=50Ω)	Power Handling
FS Series Combline Filters	0.3-25	0.8-30%	2-15	1.5:1	5W
CC Series Coaxial Filters	0.3-6	0.3-5%	2-15	1.3:1	10W
FD Series Interdigital Filters	0.5-23	0.8-80%	2-15	1.5:1	5W
BJ Series Rectangular Waveguide Filters	5-40	0.3-4%	2-10	1.3:1	20W
Note：For high power up to 300W, contact the factory.

18．Dual Mode Cavity Filters

Model	Freq.Range Fc(GHz)	Fractional 3dB BW (% of Fc)	Cavity Number	VSWR (Zo=50Ω）	Power Handling
DM series Dual Mode Cavity Filters	3－10	0.3－1.8%	1－4	1.2:1	60W
Note：Dual mode deisgns, compact structure、High Q、High stopband rejection.

19．Dielectric Loaded Cavity Filters

Model	Freq.Range Fc(MHz)	3dB BW% (% of Fc)	Resonators	VSWR	Power Handling	Impedance
HD series dielectric cavity filter	1000－18000	0.1－1%	2－8	1.3:1	5W	50Ω

20．Helical Cavity Filters

Model	Freq.Range Fc(MHz)	3dB BW% (% of Fc)	Resonators	VSWR	Power Handling	Impedance
HLseries Helical Filters	20－550	0.9－7%	2－8	1.5:1	10W	50Ω

21．Tubular Lowpass Filters

Model	1dB Cutoff Freq.fc(MHz)	Order	VSWR	Power Handling	Impedance
TL series Tubular Lowpass Filter	300－4000	3－15	1.5:1	20W	50Ω

22．Tubular Bandpass Filters

Model	Freq.Range Fc(MHz)	3dB Bandwidth (% of Fc)	Section Number	VSWR	Power Handling	Impedance
TB series tubular bandpass filter	200－3000	5－40%	2－6	1.3:1	10W	50Ω

23．Suspended Stripline Lowpass Filters

Model	1dB Cutoff Freq.fc(GHz)	40dB Att.Point (GHz)TYP	VSWR TYP	Power Handling
SL series Suspended Stripline Lowpass Filter	0.8－20	1.15fc	1.9:1	15W
TYP Model: 13SL-U1000-O/O, 13SL-U2000-O/O, 13SL-U3000-O/O, 13SL-U4000-O/O, 13SL-U5000-O/O, 13SL-U6000-O/O, 13SL-U7000-O/O, 13SL-U8000-O/O, 13SL-U9000-O/O, 13SL-U10000-O/O, 13SL-U11000-O/O, 13SL-U12000-O/O, 13SL-U13000O/O, 13SL-U14000-O/O, 13SL-U15000-O/O, 13SL-U16000-O/O, 13SL-U17000-O/O, 13SL-U18000-O/O.

24．Suspended Stripline Highpass Filters

Model	1dB Cutoff Freq.fc(GHz)	50dB Att.Point (GHz)TYP	VSWR TYP	Power Handling
SH series Suspended Stripline Highpass Filter	0.8－12	0.85fc	1.8:1	15W
TYP Model: 13SH-U1000-O/O, 13SH-U2000-O/O, 13SH-U3000-O/O, 13SH-U4000-O/O, 13SH-U5000-O/O, 13SH-U6000-O/O, 13SH-U7000-O/O,13SH-U8000-O/O, 13SH-U9000-O/O, 13SH-U10000-O/O, 13SH-U11000-O/O, 13SH-U12000-O/O.

25．Suspended Stripline Bandpass Filters

Model	Freq.Range (GHz)	Shape Factor K_40/dB/1dB	Insertion Loss dB	VSWR TYP	Power Handling
SB series Suspended Stripline Bandpass Filter	0.8－18	1.8(TYP)	<1.6	2.0:1	15W
TYP Model：20SB-3000/U2000-O/O, 20SB-6000/U4000-O/O, 20SB-9000/U6000-O/O, 20SB-12000/U12000-O/O, 20SB-1500/U1000-O/O, 20SB-4000/U4000-O/O.

26．Suspended Stripline Bandstop Filters

Model	Freq.Range Fc(GHz)	3dB BW% (% of Fc)	Attenuation @Fc(dB)	VSWR(TYP) @Passband	Power Handling
SR series Suspended Stripline Bandstop Filter	0.8－20	2－25%	40－60	2.0:1	5W
TYP Model：7SR-16000/T618-O/O，Dimension： 57×25×12(mm)

27．Miniature Microstrip Filters

Model	Center Freq. Fc(MHz)	3dB BW% (% of Fc)	VSWR @90%BW_3dB	ShapeFactor BW_40dB/BW_3dB
MSC series Microstrip Filter	800－3800	8%	1.5:1	1.7
TYP Model：6MSC-800/T64-O/O、6MSC-2400/T192-O/O、6MSC-3400/T272-O/O、6MSC-3800/T304-O/O.

28. Miniature Bandreject Filters

Model	Center Freq. Fc(MHz)	3dB BW% (% of Fc)	Section Number	VSWR @Passband	Shape Factor BW_40dB/BW_3dB	Power Handling	Impedance
BRL series Bandreject Filters	5-130MHz	5-40%	2－5	1.5:1	1:4(4 sections)	1W	50Ω
BRM series Bandreject Filters	1-10GHz	5-12%	2－7	1.8:1	1:4(4 sections)	1W	50Ω

29. Cavity Bandreject Filters

Model	Center Freq. Fc(MHz)	3dB BW% (% of Fc)	Section Number	VSWR @Passband	Shape Factor BW_40dB/BW_3dB	Power Handling	Impedance
BSF series bandreject Filter	30－6000	0.5-10%	2－6	1.7:1	1:4(4 sections)	5W	50Ω

30. Cavity Diplexers

Model	Freq.Range (MHz)	3dB BW% (% of Fc)	Section Number	VSWR @Passband	Minimum Space	Power Handling	Impedance
DP series Diplexers	30－18000	0.3-20%	2－10	1.5:1	>2.4:1	10W	50Ω
Note: Minimum space=(Fc1-Fc2)/BW3dBmax.

31．Miniature Ceramic Diplexer

Model	Passband Freq. (MHz)	VSWR	Passband ripple (TYP)	40dB Attenuation (MHz)	Impedance
860H35&937H12	I：860±9	1.4:1	0.1dB	I：935-2000	50Ω
860H35&937H12	II：937.5±2.5	1.4:1	0.1dB	II：650-870	50Ω
Note：Customized design available at 300-2500MHz.

32.Miniature electronically tunable
Bandpass Filters

Model	Tuning Range (MHz)	3dB BW%	Insersion Loss¹⁾ (Typ)dB	VSWR (Zo=50Ω)	Shape Factor BW₃₀/BW₃	Passband Input Power (dBm)	Tuning Voltage	Tuning Speed
VT30-110-X	30-110	3-10%	2-6	2.0	7:1	0	DC-20V	10us
VT90-200-X	90-200
VT200-400-X	200-400
VT400-700-X	400-700
VT550-865-X	550-865
VT950-1450AE	950-1450	1.5-3.5%	15-20	2.0	22dBc(Fc±60MHz)	0	1-20V	10us
Note：1)For VT30-110-x to VT550-865-x, I.L depends on 3dB BW%, I.L×BW3dB%=20-25,for an example: 4-5dB Insertion Loss for 5% BW3dB.For VT950-1450AE, the I.L shown above is the actual value in the full tuning frequency (amplitude equalizer inside).

33.Digitally Tuned Bandpass Filters