Hits
Audio Filter and Speakers
- Passive audio filters have been around for many years,If your receiver didn't have a CW filter, this little jewel worked fairly well
post 11 Feb 2025
RF Filter Links →
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
71
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
Ferrite Shop Ferrite-shop on-line shop, cable clamps,toroids, cable cores, technic,ferrite material choice
Amateur radio kits by Kanga US
Pcs Electronics RF power amplifiers-pallets archives-ABC of FM AM DAB+ DRM radio transmitters