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A home-built low-pass filter for 4m
- To suppress unwanted harmonics, it is recommended to use an extra low-pass filter LPF with a 4-meter transmitter
post 10 May 2026
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Coax Stub Filters
This calculator is suiteable to calculate the length of a piece of coaxial cable to produce a notch at a desired frequency
Setting up filters with a noise generator
setting filters with a noise generator
Design a custom Interdigital Bandpass Filter
These filters are generally limited to frequencies above 200 MHZ because their size is slightly longer than 1/4 wavelength
TVI Stop filter
What to do, if your neighbour comes banging at your door just in that moment you want work the DX of the year
Design RF Filter
Design a third order low-pass Chebyshev filter with a cutoff frequency of 330 MHz and 3 dB
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This calculator is suiteable to calculate the length of a piece of coaxial cable to produce a notch at a desired frequency
setting filters with a noise generator
These filters are generally limited to frequencies above 200 MHZ because their size is slightly longer than 1/4 wavelength
What to do, if your neighbour comes banging at your door just in that moment you want work the DX of the year
Design a third order low-pass Chebyshev filter with a cutoff frequency of 330 MHz and 3 dB
Hamplus Quality Ham Radio Equipmen Automatic Remote Antenna Switch for 3 Radio and 6 Antennas
Radioassistance Radioassistance E Kenwood Dealer, vendita ricetrasmittenti, antenne, parti di ricambio, elettronica
SunCalc SunCalc - sunrise, sunset, shadow length, solar eclipse, sun position, sun phase, sun height, sun calculator, sun movement, map, sunlight phases, elevation, Photovoltaic