am filter

143 links

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 ]

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 ]

QRZCQ.com - The DataBase for radio hams, callsign database, DX Cluster filtering, forum calendar and resources
[ Hits: 2095 | Votes: 23 | Rating: 9 ]

L-com - WiFi Antenna, WiFi Amplifier, RF Splitters, RF FIlters, Adapter, Video Cable and Custom Connectivity Products
[ Hits: 300 | Votes: 0 | Rating: 0 ]

K-Y Filter Company - Modem Telephone Super Filters For HF and AM Radio Interference.
[ Hits: 355 | Votes: 0 | Rating: 0 ]

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 ]

TR-7 Transmit Filter Modification - Drake TR-7 A.M. Transmit Filter Modification
[ Hits: 363 | Votes: 0 | Rating: 0 ]

MPFilters for FT-1000MP - MPfilters is a Windows-based program which enables you to select the Yaesu FT-1000MP and FT-1000MP Mark V main receiver and sub receiver IF filters via the radio�s CAT port
[ Hits: 781 | Votes: 1 | Rating: 10 ]

Yaesu FT-920 filter installation - Inrad Roofing Filter installation instruction
[ Hits: 530 | Votes: 1 | Rating: 1 ]

Harlan Technologies - Producers of custom name tags, luggage tags, club badges, Employee Name Tags, Special Event Badges, but also Comtech Amateur Radio Television Transmitters and Receivers D480 filters, Video cameras and accessories.
[ Hits: 368 | Votes: 0 | Rating: 0 ]

NKCCluster - Android ham radio DX Cluster, compatible with DX Spider, AR-Cluster, DxNet, CC Cluster, and CLX nodes. NKCCluster supports connecting to a user-defined DX cluster node, filtering DX spots per bands of interest
[ Hits: 1332 | Votes: 5 | Rating: 5 ]
DX Cluster for Android - Get live DX spots on your Android device. DX Cluster for android is a real time DX spots client, show different bands and mode filters, a country filter for spotter or the spots, prefix or call sign alarms. Download from Wolphi Solutions
[ Hits: 996 | Votes: 2 | Rating: 5 ]

EvoSpice - A numerical optimizer (solver) for LTSpice IV. Uses a fast evolutionary algorithm. You can use EvoSpice to design high efficiency power supplies, audio filters, low noise RF amplifiers and an endless list of other applications
[ Hits: 567 | Votes: 0 | Rating: 0 ]

RF Cool Tools Real Time Design - RFCoolTools RLC Filter Simulation, S-parameter Plotter, Filter Optimization,Broadband Impedance Match
[ Hits: 3451 | Votes: 57 | Rating: 4.66 ]

Filtering of the Icom IC-775 DSP - Replacing filters on ICOM IC 775
[ Hits: 517 | Votes: 5 | Rating: 6.4 ]
Bandpass Filters for Portable Usage - These are QRP rated 3 Pole Butterworth filters based on a design by K4VX, feature simplicity, almost no insertion loss, and reasonable rejection on the other ham bands.
[ Hits: 534 | Votes: 0 | Rating: 0 ]
440Mhz Interdigital Bandpass Filter - Homebrew Amateur Radio 440Mhz Interdigital Bandpass Filter
[ Hits: 577 | Votes: 1 | Rating: 1 ]
About Cavity Filters - Cavity filters are tipically circuitry behind a duplexer that allow only certain frequencies to pass
[ Hits: 470 | Votes: 3 | Rating: 5.33 ]
50 MHz Terminating Low Pass Filter - This low pass filter terminates all harmonics from the 2nd to above the 10th harmonic in a better than 15 db return loss load
[ Hits: 540 | Votes: 0 | Rating: 0 ]

QLF Filter - Microprocessor based interface designed receives a signal from a Morse key, processes it, and re-transmits it to the radio. A microprocessor in the circuit is pre-programmed with a proprietary algorithm which makes a number of measurements and adjustments to the less percise human generated code.
[ Hits: 373 | Votes: 0 | Rating: 0 ]