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LC Filter custom

LC Filter custom

Passive filter, also known as LC filter, is a filter circuit designed by a combination of inductance, capacitance and resistance, which can filter out a certain or multiple harmonics.

LC Filter CUSTOM

Passive filter, also known as LC filter, is a filter circuit designed by a combination of inductance, capacitance and resistance, which can filter out a certain or multiple harmonics. The most common passive filter structure is to connect inductance and capacitance in series, which can form a low impedance bypass for the main harmonics (3, 5, 7).
Single-tuned filter, double-tuned filter and high-pass filter belong to passive filter.

PRODUCTION CAPACITY OF LC CUSTOM

 BANDPASS

※ The following is a partial list of LC bandpass filters and their specifications that we have produced, arranged by center frequency.

Model Passband (MHz) IL(f0) (dB) Stopband 1 Stopband 2 Case Connector
B0.5-0.1P3C (-1dB)0.445-0.555 -1.1 0.35M,>=50dB 0.65M,>=50dB P3C ф0.8mm Pin
B0.5-0.1-3C1CS (-1dB)0.425-0.575 -2 0.3M,>=25dB C1C SMA-K
B0.8-0.3P1C (-3dB)0.76-0.84 -2.5 0.65M,>=58dB 0.95M,>=58dB P1C ф0.8mm Pin
B1-0.2-3C1CS (-1dB)0.9-1.1 -1 0.3M,>=60dB C1C SMA-K
B1.28-0.25P3C (-1dB)1.155-1.405 -1.4 0.905M,>=60dB 1.655M,>=60dB P3C ф0.8mm Pin
B1.28-0.25P1F (-1dB)1.155-1.405 -1.5 0.905M,>=60dB 1.653M,>=60dB P1F ф0.8mm Pin
B1.4-0.2P3C (-1dB)1.275-1.525 -1.6 1.1M,>=50dB 1.7M,>=50dB P3C ф0.8mm Pin
B1.4-0.2P1F (-1dB)1.3-1.5 -2.3 1.2M,>=60dB 1.6M,>=60dB P1F ф0.8mm Pin
B1.7-0.051-6P1C (-1dB)1.66-1.76 -4.5 0.7M,>=80dB 2.7M,>=80dB P1C ф0.8mm Pin
B1.7-0.5P1C (-0.5dB)1.45-1.95 -1.3 1.0M,>=65dB 2.7M,>=85dB P1C ф0.8mm Pin
B1.75-0.5P3C (-1dB)1.45-2.05 -1.1 1.15M,>=40dB 2.35M,>=40dB P3C ф0.8mm Pin
B1.8-0.7P1M (-1dB)1.45-2.15 -0.8 0.9M,>=65dB 3.0M,>=80dB P1M ф0.8mm Pin
B1.85-0.7-7P1C (-1dB)1.5-2.2 -1 1.1M,>=50dB 3.0M,>=75dB P1C ф0.8mm Pin
B2-0.06P1F (-1dB)1.99-2.01 -16.4 1.93M,>=65dB 2.07M,>=65dB P1F ф0.8mm Pin
B2-0.3P1C (-3dB)1.85-2.15 -2 1.6M,>=60dB 2.4M,>=60dB P1C ф0.8mm Pin
B2-0.4-3C1CS (-1dB)1.8-2.2 -0.7 0.3M,>=70dB C1C SMA-K
B2.045-0.5-6C1CS (-3dB)1.775-2.315 -1.1 1.545M,>=30dB 2.545M,>=25dB C1C SMA-K
B2.048-0.05-7C1CS (-3dB)2.023-2.073 -8.4 1.984M,>=30dB 2.112M,>=30dB C1C SMA-K
B2.048-0.06-7C1CS (-3dB)2.018-2.078 -7.5 1.984M,>=20dB 2.112M,>=25dB C1C SMA-K
B2.048-0.08-6C1CS (-3dB)2.008-2.088 -6 1.968M,>=30dB 2.128M,>=30dB C1C SMA-K

customized

 Lowpass

Model Cutoff Freq (MHz) Stopband (MHz) Rejection (dB) Case Connector
L0.5-P1C (-0.7dB)0.56 1 >=40 P1C ф0.8mm Pin
L0.6-6P4D (-1dB)0.7 1.2 >=50 P4D ф0.8mm Pin
L1-P1A (-0.5dB)1.16 1.5 >=50 P1A ф0.8mm Pin
L1.4-6C1C (-2dB)1.42 1.5 >=20 C1C ф0.8mm Pin
L1-6C1BS (-2.5dB)1.8 1.1 >=35 C1B SMA-K
L1.8-5P1F (-1dB)1.8 2.3 >=70 P1F ф0.8mm Pin
L2-P1B (-0.4dB)2.0 4 >=58 P1B ф0.8mm Pin
L2.1-5C1B (-0.8dB)2.1 3.5 >=50 C1B ф0.8mm Pin
L2.5-5P1A (-0.8dB)2.7 5 >=60 P1A ф0.8mm Pin
L2.6-5P1B (-0.5dB)2.81 3.6 >=50 P1B ф0.8mm Pin
L3-7P1C (-1dB)3.2 4 >=50 P1C ф0.8mm Pin
L3.1-6C1C (-1dB)3.14 3.3 >=20 C1C ф0.8mm Pin
L4-C1BS (-1dB)4.14 6 >=55 C1B SMA-K
L4.5-P1A (-1dB)4.64 6 >=60 P1A ф0.8mm Pin
L5-5P1A (-1dB)6.39 8 >=30 P1A ф0.8mm Pin
L5-P1A (-3dB)5.66 8 >=40 P1A ф0.8mm Pin
L5-6P1B (-1dB)5.0 7.5 >=50 P1B ф0.8mm Pin
L5-P2EX (-3dB)5.15 8 >=50 P2EX ф0.8mm Pin
L5.8-6C1BS (-1.3dB)5.8 6.8 >=35 C1B SMA-K
L6-P1A (-3dB)6.0 8 >=40 P1A ф0.8mm Pin
customized

Bandstop

Model Stopband (GHz) Rejection (dB) Passband 1 (GHz) Passband 2 (GHz) ILmax (dB) Connector Dimension (mm)
R98-20-6CFN 0.088-0.108 >=30 DC-0.073 0.123-1.5 <=1.5 N-K 58×20×18
R98-20-7CFN 0.088-0.108 >=45 DC-0.056 0.14-1.5 <=1.0 N-K 58×20×18
R925-70C1CS 0.89-0.96 >=45 0.3-0.8 1.05-2.0 <=2.3 SMA-K 40.4×19×10
TR325-50CNJ 0.3-0.35 >=35 DC-0.27 0.38-0.8 <=1.5 N-K φ26×60
BR575-50-4C3BSJ 0.55-0.6 >=30 0.275-0.525 0.675-1.2 <=1.0 In:SMA-J,Out:SMA-K 40.4×21×10
BR915-70C1CS 0.88-0.95 >=45 0.3-0.8 1.05-2.0 <=2.0 SMA-K 40.4×19×10
BR925-70-4C1D 0.89-0.96 >=30 DC-0.78 1.0-2.0 <=3.0 φ0.8mm Pin 50.9×9.5×9.5
TR1030-140CNJ 0.96-1.1 >=40 0.8-0.9 1.16-2.0 <=1.5 N-K φ26×60

 Highpass

Model Passband Freq (MHz) Stopband (MHz) Rejection (dB) Case Connector
H30-3C1CS 0.5-30 DC-0.04 >=63 C1C SMA-K
H131-6C1DS 131-201 DC-121 >=35 C1D SMA-K
H200-7C1BS 200-4000 DC-190 >=10 C1B SMA-K
H380-3C1ASJ 400-6000 76-104 >=65 C1A in:SMA-J,out:SMA-K
H400-6C1BS 400-2000 300 >=50 C1B SMA-K
H500-9C1D 500-3000 400 >=50 C1D ф0.8mm Pin
H750-5C3BS 790-1350 DC-400 >=70 C3B SMA-K
H1000-8C1AS 1000-2000 DC-700 >=45 C1A SMA-K
H1150-6C1DSD 1150-2000 DC-960 >=52 C1D SMA-K
H1900-5C1BS 2000-4000 1030 >=65 C1B SMA-K
H3000-4C1AS 4000-5000 2000 >=40 C1A SMA-K
H3400-8100C1BS 3400-8100 DC-460 >=75 C1B SMA-K
H3500-7C1A 3500-6000 1400 >=80 C1A ф0.8mm Pin
HP2000-12800 2000-12800 1000 >=50 40.5×12.5×12.7 SMA-K


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