rf noise

67 links - and 1 categories

VHF Baluns: Fact and Fancy - GM3SEK
Our ideas about HF baluns have changed dramatically in recent years The focus today is ...

[ Hits: 283 | Votes: 0 | Rating: 0 ]

EME Dish Antenna Project - VE2ZAZ
A 3 2m EME dish project that provides a better performance on 1296 MHz 10 ...

[ Hits: 346 | Votes: 0 | Rating: 0 ]

Domino DF mode
DOMINO DF is a sensitive mode which due to its incremental frequency keying and thanks ...

[ Hits: 223 | Votes: 0 | Rating: 0 ]

ICOM IC756 Fan Modification - buildthings
ICOM IC756 PRO II III PS125 Fan Modifications install an external cooling fan on the ...

[ Hits: 115 | Votes: 1 | Rating: 10 ]

FT 1000MP MK V and Keyclicks - W8JI
YaesuFT1000MK V stands out with improved close spaced SSB transmit performance reversing a trend seen ...

[ Hits: 32 | Votes: 0 | Rating: 0 ]

Hamtech - HA8YU
HAM made engineering products supplies and produces coaxial relays antenna switches sequencers roller inductors variable ...

[ Hits: 192 | Votes: 0 | Rating: 0 ]

Communication Speakers - K3DAV
Have you searched and searched for a good speaker for your ham radio That perfect ...

[ Hits: 553 | Votes: 3 | Rating: 5.67 ]

435 plus 1296MHz ATF54143 Pre-amplifier - G0MRF
The prototype for this amplifier was originally designed for 70cm and was used on the ...

[ Hits: 337 | Votes: 0 | Rating: 0 ]

PlasmaTV QRN Eliminator - pa0nhc
An improved version of DK9NL QRM Killer with dedicated noise sampling antenna for completely filtering ...

[ Hits: 901 | Votes: 0 | Rating: 0 ]
Noise Canceller Project - G8JNJ
This project was intended to accompany the stealth antenna project Author want to see how ...

[ Hits: 712 | Votes: 0 | Rating: 0 ]

Locating Power Line Noise - Stu Phillips
RF interference from power lines is caused by arcing as high voltage electricity bridges a ...

[ Hits: 428 | Votes: 0 | Rating: 0 ]
Locating RF Interference at HF - W0IVJ
A proven and practical approach to dealing with RFI from grow lights and more ...

[ Hits: 1308 | Votes: 0 | Rating: 0 ]
The truth about ferrites - QRM.guru
Articles on the correct placement of ferrite noise suppressors are common but little has been ...

[ Hits: 388 | Votes: 2 | Rating: 9.5 ]
QRM.guru - QRM.guru
QRM guru has been developed to assist radio hams in dealing with RF noise This ...

[ Hits: 209 | Votes: 0 | Rating: 0 ]

Ethernet RFI noise reduction - G7UHN
How to reduce and eliminate the RF interference at VHF caused by the wired network ...

[ Hits: 589 | Votes: 1 | Rating: 7 ]
How to make a mains filter for EMC and noise reduction - Adrian Leggett
Article showing how I ve made a mains filter to reduce EMC in the electricity ...

[ Hits: 1228 | Votes: 5 | Rating: 9.6 ]
Common-mode chokes Measurements - IN3OTD
Common mode chokes are useful solutions for RFI reduction Winding a few turns of coaxial ...

[ Hits: 156 | Votes: 1 | Rating: 8 ]
Mains RF Filter - GM3SEK
If RF noise threatens to take your hobby away this could be probably a good ...

[ Hits: 125 | Votes: 0 | Rating: 0 ]
DIY EMC/RFI Mains Filter for a Clean Shack - M0PZT ^updated
Utilizing snap on ferrite cores and practical insights the author enhances their shack s cleanliness ...

[ Hits: 158 | Votes: 2 | Rating: 9.5 ]

Innovative 2m to HF Converter - N1UL
Ulrich L Rohde N1UL conceived an outstanding 2m to HF receiving converter with specific requirements ...

[ Hits: 96 | Votes: 0 | Rating: 0 ]