Broad band band-pass filter
A technology of band-pass filter and low-pass filter, which is applied in the filter field, can solve the problems of complex design structure and high production cost, and achieve the effect of simple processing, low cost and small size
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0031]A broadband bandpass filter, suitable for making in a multi-layer circuit board, consists of a first low-pass filter unit, a high-pass filter unit, and a second low-pass filter unit connected in sequence, and the input port P1 is connected to the first The low-pass filter unit is connected, and the second low-pass filter unit is connected to the output port P2. The circuit has a symmetrical structure, wherein the inductor L11 and the capacitor C11 form the first low-pass filter unit, and one end of the capacitor C11 is connected to the input port P1 and the inductor L11. , the other end is connected to the inductor L01, and the inductor L01 is grounded; one end of the two symmetrical capacitors C21 and C22 is connected in series with the inductor L2 to form a high-pass filter unit, the inductor L2 is grounded, and the two symmetrical capacitors C21 and C22 pass through the capacitor C0 phase coupling; the second low-pass filter unit is composed of inductor L12 and capacit...
Embodiment 2
[0042] (1) The dielectric substrate adopts Rogers RO4003 substrate, the single-layer thickness is 0.5mm, the metal layer material is silver-plated copper-clad, and the processing accuracy is ±0.01mm;
[0043] (2) figure 1 Among them, L11=2.8nH, L12=2.8nH, L2=4.6nH, L01=0.8nH, L02=0.8nH, C11=1.3pF, C12=1.3pF, C21=2.8pF, C22=2.8pF, C01=0.31 pF,C02=0.31pF;
[0044] (3) figure 2 Among them, the first input microstrip transmission line P1 has a line width of 2.3mm and a length of 7.0mm; inductors L11 and L12 have a line width of 0.2mm, a line spacing of 0.1mm, and a length of 16.1mm; the inductor L2 has a line width of 0.2mm, a line spacing of 0.1mm, and a length of 19.1mm; inductor L01, L02 line width 0.2mm, line spacing 0.1mm, length 4.5mm; capacitor C11, C12 line width 2.0mm, length 4.9mm; capacitor C21, C22 line width 2.8mm, length 6.7mm; capacitor C0 line Width 0.2mm, gap 0.1mm, length 2.8mm, the first metal ground via (G1), the second metal ground via (G2), and the third ...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com