pass filter

115 links

Coil Winding Tips - NC4FB
Tips on winding wire coils used as inductive loads traps band pass filters are implemented ...

[ Hits: 880 | Votes: 7 | Rating: 6 ]

K9AY 160m 80m receiving loop antenna
A K9AY loop antenna project done with Far Circuits pc boards for the antenna switch ...

[ Hits: 987 | Votes: 1 | Rating: 7 ]

Anatech Electronics - Sam Benzacar
Anatech Electronics manufactures RF filters for communication systems Military and commercial as well as RF ...

[ Hits: 282 | Votes: 1 | Rating: 10 ]

HF Projects Kits
Provide service quality home construction projects travel antennas masts and bases hf and vhf amplifiers ...

[ Hits: 750 | Votes: 0 | Rating: 0 ]

IC-706MKII filter modification
Adding a 20m band pass filter for the Icom IC-706MkII(G) by ON7EQ

[ Hits: 501 | Votes: 1 | Rating: 6 ]

Baofeng LPF mod by G0FTD
A modification of the UV3R Baofeng handheld transceiver to improve the built in low pass ...

[ Hits: 405 | Votes: 0 | Rating: 0 ]

ScopeIIR - Grant Griffin
ScopeIIR an Infinite Impulse Response IIR digital filter design tool for Windows It designs high ...

[ Hits: 778 | Votes: 2 | Rating: 5.5 ]

FIlters calculator
Passive Band-Pass Filter, low-pass filter calculator

[ Hits: 419 | Votes: 3 | Rating: 2.33 ]

Highpass filter calculator
Butterworth Highpass Filter Designer

[ Hits: 445 | Votes: 4 | Rating: 2.75 ]
About Cavity Filters
Cavity filters are tipically circuitry behind a duplexer that allow only certain frequencies to pass ...

[ Hits: 472 | Votes: 3 | Rating: 5.33 ]
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 ]
Bandpass filters design
How to design narrowband bandpass filters

[ Hits: 809 | Votes: 4 | Rating: 2 ]
432 144 MHz Notch Filter
Combined 432 MHz High-Pass - 144 MHz Notch Filter By Bertrand Zauhar, VE2ZAZ

[ Hits: 515 | Votes: 1 | Rating: 1 ]
A home-built low-pass filter for 4m
This unit uses four capacitors only two of which are variables and a single tapped ...

[ Hits: 589 | Votes: 0 | Rating: 0 ]
70 MHz low pass filter
An home made low pass filter for 70 MHz by IK0VAQ

[ Hits: 732 | Votes: 3 | Rating: 4.67 ]
50 MHz Terminating Low Pass Filter
This low pass filter terminates all harmonics from the 2nd to above the 10th harmonic ...

[ Hits: 541 | Votes: 0 | Rating: 0 ]
Use Band Pass Filters to clean up Signals - W3NQN
Clean Up Your Signals with Band Pass Filters a two parts article published in this ...

[ Hits: 789 | Votes: 1 | Rating: 1 ]