i filter

350 links - and 5 categories

Receiving antenna for low bands - PA6Z ^updated
K9AY loop antenna installed at PA6Z Contest group This is a receiving antennas for the ...

[ Hits: 19595 | Votes: 12 | Rating: 7.91 ]

Band Filters
Experience of band filters, for a contest multi operator enviroenment

[ Hits: 4073 | Votes: 6 | Rating: 7.5 ]

DXFun Web Cluster
DX Cluster mainly in spanish with chat filtering available upon user registration propagation reports and ...

[ Hits: 4807 | Votes: 35 | Rating: 6.11 ]

Nye Viking
Antenna Tuners, morse keys, keyers and filters

[ Hits: 5032 | Votes: 5 | Rating: 5.8 ]

Micro908 Kit
A re usable control computing platform for antenna measurement PSK31 digital modems audio filtering signal ...

[ Hits: 1570 | Votes: 1 | Rating: 10 ]

Trilithic
Broadband instruments, R and microwave components and filters, field analyzers, spectrum analyzers

[ Hits: 571 | Votes: 0 | Rating: 0 ]

Garth RF Filters
ATV Filters, RF filters dealer

[ Hits: 812 | Votes: 2 | Rating: 6.5 ]

Audio processor for SSB transceiver
This circuit consists of microphone amplifier and a high pass filter Suitable to improve signal ...

[ Hits: 1448 | Votes: 1 | Rating: 1 ]

Diplexer design notes
Standard diplexer design is based on singly-terminated Butterworth filters.

[ Hits: 5805 | Votes: 8 | Rating: 5.87 ]
A low cost UHF/VHF duplexer
Duplexers for dual band radio are usually high pass filter and low pass filter combined ...

[ Hits: 8616 | Votes: 16 | Rating: 5.88 ]

Interferences and filtering
General information on Filter passbands, interferences, TVI and RFI problems

[ Hits: 1171 | Votes: 1 | Rating: 10 ]
YCCC 6 Band Receive Bandpass filter
This is a 6 band receive only filter designed to protect your receiver front end ...

[ Hits: 1962 | Votes: 2 | Rating: 9.5 ]
The NVARC Ugly Filter Project
Project to build sets of band pass transmitting filters for reducing the interference between HF ...

[ Hits: 1036 | Votes: 4 | Rating: 9.5 ]
Narrow Band-Pass filter for HF
Band pass filters can be critical components in competitive stations This setup may help put ...

[ Hits: 2568 | Votes: 1 | Rating: 1 ]
Clean Up Your Signals with Band-Pass Filters
These inexpensive easily built filters can be the buffer you need between the signals you ...

[ Hits: 3622 | Votes: 0 | Rating: 0 ]
Clean Up Your Signals with Band-Pass Filters part 2
Part 2 You re now much closer to saying goodbye to your unwanted signal problems ...

[ Hits: 1363 | Votes: 0 | Rating: 0 ]
Band-Pass Filters for HF Transceivers
Do your multiple-transmitter field day or contest efforts suffer from intrastation interference ?

[ Hits: 4347 | Votes: 3 | Rating: 6.33 ]
K2TR Coax Stub Filters
Multi transmitter filters

[ Hits: 3252 | Votes: 7 | Rating: 6.43 ]
Second-Harmonic-Optimized Low-Pass Filters
Sometimes we need a little more output filtering than traditional designs offer Look at a ...

[ Hits: 880 | Votes: 0 | Rating: 0 ]