noise

193 links - and 2 categories

160m Short Vertical Loft Antenna - G3XBM
This is a very small vertical 160m antenna that fits in the loft of even ...

[ Hits: 208 | Votes: 1 | Rating: 7 ]

LFA Yagi Antenna for 6 meter band - n6jv
This antenna is reported as being lower noise than conventional yagis and had a very ...

[ Hits: 200 | Votes: 3 | Rating: 7.33 ]

IAT Interactive Antenna Table - UR5EAZ
IAT is an excel sheet table evaluate parameters of VHF UHF antennas edited by Vladimir ...

[ Hits: 106 | Votes: 4 | Rating: 9.5 ]

Kuhne Electronic - Kuhne Electronic
High quality microwaves components for professional and radioamateurs Power Amplifiers Low Noise Amplifiers Es hail ...

[ Hits: 106 | Votes: 0 | Rating: 0 ]

Recognition of CW signs at different listening levels and frequencies - PubMed
The recognition of telegraphy masked by noise at 40 and 80 signs min telegraphy speed ...

[ Hits: 81 | Votes: 1 | Rating: 7 ]

Decoding Russian Meteor-M2 satellite images in real time - phasenoise
The Meteor M N2 is a polar orbiting Russian weather satellite that was launched on ...

[ Hits: 200 | 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 ]

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

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

AI-Powered Radio Signal Cleanup: Battling QRM in Real Time - PA9X
Amateur radio enthusiast Jean Paul Suijs discusses combating manmade noise QRM in radio signals using ...

[ Hits: 72 | Votes: 0 | Rating: 0 ]

5 Things to Know About Portable Power Stations - Haniya Rae
These pricey battery powered devices are the only type of generator that can be used ...

[ Hits: 171 | Votes: 0 | Rating: 0 ]

23cm Low Noise Amplifier - PA4DAN
A low noise amplifier for the 23cm band with schematic diagram picutes and instructions article ...

[ Hits: 66 | Votes: 0 | Rating: 0 ]
VHF UHF Low noise Amplifiers - VE2EK
2m 70cm 23cm Low noise Amplifiers 3 Low noise amplifiers Outdoor unit with DB6NT parts ...

[ Hits: 128 | Votes: 2 | Rating: 5 ]
A JFET preamplifer for 50 MHz - AA8C
The circuit is simple designed with a low component count and an inherent simplicity in ...

[ Hits: 98 | Votes: 0 | Rating: 0 ]

QRM Eleminator by DC2WK - DC2WK
A home made project to reduce noises from lower bands an X Phase QRM Eliminator ...

[ Hits: 180 | Votes: 0 | Rating: 0 ]

Signal to Noise Ratio SNR - KF6HI
Signal to Noise Ratio definition and application to Radio Communications Signal to Noise Ratio SNR ...

[ Hits: 133 | Votes: 5 | Rating: 8.4 ]

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 ]

An introduction to YIG Tuned Oscillators - MicroSource
The YIG Tuned Oscillator YTO is the only direct signal source to provide multi octave ...

[ Hits: 35 | Votes: 0 | Rating: 0 ]

2m to 70cm Transverter Circuit - VK4ADC
A 70cm 432 MHz Transverter Project transverter circuit is an electronic device that converts a ...

[ Hits: 82 | Votes: 0 | Rating: 0 ]

Repairing HP 8753C VNA - makarov
A true detective story about a interesting repair project putting back to life a malfunctioning ...

[ Hits: 99 | Votes: 0 | Rating: 0 ]