notch

18 links

Coax Notch Traps - Attenuating adjacent bands - AC0C
Targeted Attenuation for Adjacent Bands Filtering is needed between the two rigs to prevent physical ...

[ Hits: 134 | Votes: 0 | Rating: 0 ]
The Quarter-wave stub - LA8OKA
The Quarter wave stub can be used for many purposes If it is left with ...

[ Hits: 136 | Votes: 1 | Rating: 8 ]

NOAA Satellite Reception with QFH Antenna - Lucas Teske
How to receive NOAA weather satellite with a home made QFH Antenna This project includes ...

[ Hits: 261 | Votes: 1 | Rating: 8 ]

Radiofilters - Kenneth Rodriguez
Radio Filters manufactures low price fm notch filters.

[ Hits: 747 | Votes: 2 | Rating: 8 ]

ICOM 756 and 756PRO - W8WWV
Ini this article the author compare the Icom 756 and Icom IC 756 PRO Comparison ...

[ Hits: 234 | Votes: 1 | Rating: 8 ]

BR-universal-Filt - Bernd Reiser
Freeware real time DSP filter particularly for applications of amateur radios IIR FIR filter low ...

[ Hits: 6301 | Votes: 15 | Rating: 8.26 ]
WD6CNF DSP Filter - WD6CNF
Audio Digital Filter two bandpass filters three notch filters two noise filters graphical setting of ...

[ Hits: 4902 | Votes: 2 | Rating: 10 ]

FilterCAD
A free computer aided design program to help users without special expertise in filter design ...

[ Hits: 11770 | Votes: 28 | Rating: 5.03 ]

DSPBOX
DOS Freeware DSPBOX is an attempt to code the Texas Instruments DSK C50 in such ...

[ Hits: 2401 | Votes: 0 | Rating: 0 ]

Zeus Radio - Software Defined Radio - HFR Electronics
Zeus Radio program is designed specifically for the ZS 1 transceiver and supports all the ...

[ Hits: 508 | Votes: 1 | Rating: 8 ]

A switched Capacitor Audio Filter - AA8C
Here is a rather nice audio filter for use with Ham Radio gear It features ...

[ Hits: 73 | Votes: 0 | Rating: 0 ]

Band-stop filter
Wikipedia page on Notch filter, a narrow stopband - high Q factor filter

[ Hits: 443 | Votes: 2 | Rating: 2.5 ]
Notch Filter Designer
Online calculator, Butterworth Bandstop (Notch) Filter Designer

[ Hits: 806 | Votes: 6 | Rating: 3.33 ]
144MHz Low-Pass / 432 MHz Notch Filter
A combined 144MHz Low-Pass and 432 MHz Notch Filter by VE2ZAZ

[ Hits: 732 | Votes: 3 | Rating: 1.33 ]
432 144 MHz Notch Filter
Combined 432 MHz High-Pass - 144 MHz Notch Filter By Bertrand Zauhar, VE2ZAZ

[ Hits: 515 | Votes: 1 | Rating: 1 ]
CW Notch Filter
Homebrew CW notch filter project by KN9B

[ Hits: 521 | Votes: 0 | Rating: 0 ]

Television Notch Filters - HS0ZEE
Intersting article about TV interference with several examples of TVI Filters to reduce the passage ...

[ Hits: 454 | Votes: 2 | Rating: 3 ]
144 Mhz Stop band TVI filters - LA8AK
A High pass filter will not help use a stop band filter to notch out ...

[ Hits: 725 | Votes: 1 | Rating: 2 ]