low pass filter design

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low pass filter design

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Operating Modes : Satellites : CubeSats

  • FunCube Dongle HF Upconverter: Expanding Reception Range - This article describes an HF upconverter for the FunCube Dongle Pro. Designed for radio amateurs, the converter extends reception capabilities to lower frequencies (0 Hz to 30 MHz) by mixing them with a higher oscillator frequency (100 MHz). This translates the desired signal into a range detectable by the FunCube Dongle (64 to 1,700 MHz). Key components include a double-balanced mixer and a low-pass filter to suppress unwanted signals. The project provides schematics, filter specifications, and design considerations for construction.
    [ Hits: 34 | Votes: 1 | Rating: 8 ]
Software : Circuit Design
  • SVC Filter - Filter design software. A program designed to expedite the design and analysis of lowpass (and highpass) filters with nearest 5% component values. SVCfilter is 32-bit Windows electrical filter design software nicely written to help the radio amateur, technician or engineer design and analyze lumped-element lowpass and highpass filters.
    [ Hits: 1193 | Votes: 1 | Rating: 10 ]
Software : Filter Design
  • FilterCAD - A free computer aided design program to help users without special expertise in filter design to create filters using Linear Technology's monolithic filter ICs. With FilterCAD, you can design lowpass, highpass, bandpass and notch filters
    [ Hits: 11769 | Votes: 28 | Rating: 5.03 ]
  • AADE Filter Design  updated - Dowwnload this free windows programs to design Butterworth, Chebyshev, Elliptic (Caur), Bessel, Legendre and Linear Phase low-pass, high-pass, band-Pass, and band-reject filters. Coupled Resonator band-pass filters
    [ Hits: 24850 | Votes: 114 | Rating: 7.17 ]
  • Windipoles - Windipoles is a free passive real time filter simulator. Developed under Visual Studio .NET. No software installation required. Allows design, analysis, optimizations and plots, all graphically.
    [ Hits: 3095 | Votes: 31 | Rating: 7.52 ]
  • ScopeIIR - ScopeIIR: an Infinite Impulse Response (IIR) digital filter design tool for Windows. It designs high-order IIR filters based on analog filter prototypes, and can design lowpass, highpass, bandpass, and bandstop filters.
    [ Hits: 778 | Votes: 2 | Rating: 5.5 ]
Technical Reference : Amplifiers : HF Amplifiers
  • A600 Power Amplifier Project - This is a power amplifier project for a RF 600W 1.8 MHz to 70 MHz linear amplifier including a Low Pass Filter. Projects includes schematics, pictures, PCD design, fans details, note on PA ferrite chokes and assembling instructions
    [ Hits: 100 | Votes: 0 | Rating: 0 ]
Technical Reference : Duplexers
  • A low cost UHF/VHF duplexer - Duplexers for dual band radio are usually high pass filter and low pass filter combined in the same box. This circuit is a design within a cost of US$10.
    [ Hits: 8615 | Votes: 16 | Rating: 5.88 ]
Technical Reference : Filters
  • Second-Harmonic-Optimized Low-Pass Filters - Sometimes we need a little more output filtering than traditional designs offer. Look at a new filter that can give you that extra boost. QST article by W3NQN
    [ Hits: 879 | Votes: 0 | Rating: 0 ]
  • Low-Pass Active Filter Designer - Javascript filter design page with introduction to low pass filters by k7mem
    [ Hits: 619 | Votes: 1 | Rating: 1 ]
  • Constant k Lowpass Filter Design - Online Constant - k Lowpass Filter calculator
    [ Hits: 450 | Votes: 12 | Rating: 3.67 ]
  • Enhancing Frontend Performance with Optimized Band Pass Filters - This article explores the nuanced design challenges of Band Pass Filters (BPF) in radio receivers, balancing low insertion loss, high stop band rejection, and narrow bandwidth. The focus is on the "Series-Trap, Shunt-C" topology, resonator count impact, and meticulous layout design for superior stop band performance across various frequency bands
    [ Hits: 82 | Votes: 0 | Rating: 0 ]
  • Double Tuned Receiver Band-pass Filter Design Center  new - This webpage caters to EMRFD owners, offering insights into building popcorn receiver band-pass filters with Ladpac programs and EMRFD Chapter 3 knowledge. Through practical experiments and Ladpac tools, the author explores coupling capacitors' impact on filter response and return loss optimization. The content emphasizes empirical approaches, encouraging builders to embrace experimentation and learn from mistakes. Detailed examples and workflow suggestions aid hobbyist-level designers in creating customized filters, fostering a deeper understanding of filter design principles.
    [ Hits: 16 | Votes: 0 | Rating: 0 ]

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