dsp filter

Allen Cutts' Boatanchors - Allen Cutts collection

DXFun Web Cluster - DX Cluster mainly in spanish, with chat, filtering available upon user registration, propagation reports and solar status, includes also latest dx news.

W8CCI Butler County VHF Association - The Flag Ship Station of Butler County, Ohio

Amateur Radio Techniques - RF Filters an adjustable j-pole antenna manufacturer based in greece

Micro908 Kit - A re-usable control & computing platform for antenna measurement, PSK31 digital modems, audio filtering, signal source & VFO, memory keyer by AMQRP

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

Getting started on RTTY - A complete guide from the station setup, rtty software customization, tips on tuning rtty signals and setting the proper audio level and filters by Andrew G8GNI M5AEX

IC7000BKT Icom IC-7000 CAT Control - CAT Control for Icom IC-7000 for windows. Management and synchronization of all memory bank, Management filters, volume, tones, DUP, DTCS, import export, audio recording and log frequency and signal,Auto CQ audio for repetitive calls

Radio Astronomy Supplies - Radio Astronomy Supplies astronomy products since 1994 including radio telescopes, LNA's, noise callibration source, books, videos.

Linrad - Multiplatoform freeware DSP software. Linrad has its origin in software that was developed for 144 MHz EME CW but it is quite general and should be seen more like a kit for designing a receiver that a receiver for some particular usage. It can be used as a CW receiver with a small time delay and a fast waterfall graph. A dsp for conventional receiver to imporve signals readability, a spectrum analyzer.

ClusterTalk - Freeware talking DX Cluster client for Mac OS X version 10.3 or later. With clusterTalk you can log into your favorite DX Cluster via telnet and have the spots "spoken" to you by the Mac's built-in speech synthesizer

PSK08 - G4JNT - PSK08 Software for the 56002EVM. PSK08 is a data communications mode identical in operation to PSK31, but operating at one quarter the speed, ie. approximately 8 symbols per second.

Bitscope Waveform Generator - Integrated DSP based waveform generator and timing for BitScope. Arbitrary waveforms, synchronized clocks and external triggers.

QuickMix - Freeware windows program that allows you to store configuration of your audio mixer in a settings file, and to restore the mixer to that state whenever you want. Useful for digital mode operations where different dsp programs may require different audio in and out settings.

HI-FI Audio with Kenwood TS-850SAT - Setup guide for DSP-100 and TS-850

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

YCCC 6 Band Receive Bandpass filter - This is a 6 band receive only filter designed to protect your receiver front end and provide 45dB reject at the stop bands.

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

Narrow Band-Pass filter for HF - Band-pass filters can be critical components in competitive stations. This setup may help put your station on the map.

Clean Up Your Signals with Band-Pass Filters - These inexpensive, easily built filters can be the buffer you need between the signals you want to hear and send and those you don’t!

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!

Band-Pass Filters for HF Transceivers - Do your multiple-transmitter field day or contest efforts suffer from intrastation interference ?

K2TR Coax Stub Filters - Multi transmitter filters

Easy bandpass filters - Quick and easy bandpass filters for receiver input by George Dobbs G3RJV

Building Your Own AM Tuner - Hi-Fi AM Tuner and Amplifier