filter project

31 links

Receiving antenna for low bands ^updated - K9AY loop antenna installed at PA6Z Contest group. This is a receiving antennas for the low bands (160m, 80m and 40m). Include schematics and info on a building the control box, preamplifier and low-pass filter
[ Hits: 19594 | Votes: 12 | Rating: 7.91 ]

Coil Winding Tips - Tips on winding wire coils used as inductive loads, traps, band-pass filters, are implemented in a number of amateur radio projects especially antenna projects
[ Hits: 877 | Votes: 7 | Rating: 6 ]

Band Filters - Experience of band filters, for a contest multi operator enviroenment
[ Hits: 4072 | Votes: 6 | Rating: 7.5 ]

K9AY 160m 80m receiving loop antenna - A K9AY loop antenna project done with Far Circuits pc boards for the antenna switch and bandpass filter and preamp by K7SFN
[ Hits: 987 | Votes: 1 | Rating: 7 ]

Joe Tracker Ham Radio eBay Auction Price Tracker - Ham radio equipment eBay prices, adjusted for trends, filtered for accessories, leaving only condition and auction terms to affect the final price. Also direct links to auctions, searches and recommended sites for research, plus amateur radio station rigs, projects and antenna farm.
[ Hits: 1122 | Votes: 3 | Rating: 9.67 ]

I0JXX - The I0JXX is an italian company that offers market their projects, also sells electronic products of high quality, both for Ham, both Broadcast and their accessories. VHF Antennas, mosfet power amplifiers, filters, insulators, power dividers, telescopic poles, antenna masts
[ Hits: 2882 | Votes: 2 | Rating: 8.5 ]

AC0C Roofing Filter - Yaesu FT-950 and FT-2000 Roofing Filter Optimization and Improvement
[ Hits: 378 | Votes: 1 | Rating: 10 ]

HF Projects Kits - Provide service, quality home construction projects, travel antennas, masts and bases, hf and vhf amplifiers, low pass filters and z-match tuners
[ Hits: 749 | 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 ]

Free programmable DSP-Filter ^pop - Free programmable LOW/HIGH/BANDPASS FIR filter in the audio range 0-4kHz
[ Hits: 30337 | Votes: 86 | Rating: 5.82 ]

SSB and CW Filter - A pdf file with schematics of an ssb and cw filter AF amplifier
[ Hits: 2129 | Votes: 3 | Rating: 4.33 ]
Variable bandwidth cw filter - As the sunspots return and DX propagation conditions to improve, the age old problem with QRM begins to show up on the amateur bands. Thif filter help you on improving reception
[ Hits: 1150 | Votes: 3 | Rating: 4.33 ]
Band filters by PA9M - Band filters for PA6Z made by PA9M, designed by W3NQN.
[ Hits: 476 | Votes: 1 | Rating: 9 ]
The NVARC Ugly Filter Project - Project to build sets of band pass transmitting filters for reducing the interference between HF transceivers operated in close proximity
[ Hits: 1035 | Votes: 4 | Rating: 9.5 ]
W3LPL Receiving Bandpass Filters - Project of receive only filters optimized for minimal loss and very high rejection of frequencies below 75% of the filter center frequency by K1TTT
[ Hits: 1083 | Votes: 0 | Rating: 0 ]
CW Notch Filter - Homebrew CW notch filter project by KN9B
[ Hits: 520 | Votes: 0 | Rating: 0 ]

K1TTT Technical Reference - Technical reference about Accessories, Amplifiers, Antennas, Cable and Connectors, Filters, Geography, Grounding, Gunk, Matching Networks, Projects, Propagation Info Radios, RFI/EMI, Rotors, Station Setup, Towers.
[ Hits: 5150 | Votes: 6 | Rating: 6.33 ]

SSB Microphone Filter - Build this circuit to tailor your microphone response to different band conditions. A project by KG4JJH
[ Hits: 467 | Votes: 1 | Rating: 1 ]

The smk-1 on 20m - Taking the venerable SMK-1 design to 20m and adding an RF amp, audio filter, and a TiCK Keyer ... by Wayne McFee, NB6M
[ Hits: 919 | Votes: 0 | Rating: 0 ]

RF Probe Project - If you needed the ability to quickly measure RF voltage for tuning filters and cavities this RF Probe probe is for you
[ Hits: 438 | Votes: 1 | Rating: 9 ]