dsp filter

Clifton Laboratories - Band Reject Filters, Bandpass Filter, Active Antennas, amplifiers and preamplifiers

Cubical quad spiders - Quality Aluminum Quad spiders. Custom sizes available.

Cross Country Wireless - UK manufacturer of ham radio accessories, including TNX, SDR receivers, RF Diplexers Triplexers, bandpass filters, iambic memory keyers.

RF inquiry - Realization of confortable communications. RF Filters

Filter Concepts - Custom EMI Filters, AC DC Three phase filters by Filter Concepts Inc.

Audio CW Filter - A very effective AF Adaptor, with built-in noise blanker and 30 Hz CW filter modules by PA0LQ

TS-870S 4Khz Filter Modification - The TS-870 has a 3KC stock filter, swaping out this filter for the Inrad 4KC filter result better sensitivity on receive

FT2000 Filter Installation - Step by Step - Installing the NS Roofing Filter into the FT-2000

FTdx5000 Filter Setup and MARS mod - Installation of the 300 Hz Roofing Filter in the Yaesu FTdx5000 and MARS modification

GES Electronics - Ham rasio shop in Chzeck republic, offer antennas, filters, roators, electronic components, cw keyers, power supplies, and other ham shack accessories

DX Cluster for Android Priority listing - DX Cluster is an DX Cluster client for Android smartphones DX Cluster supports: Real time DX spots, Different band and mode filters, A country filter for spotter or the spots, Prefix or call sign alarms

TFilter - Free online FIR filter design - Free online FIR filter design application

RF Cool Tools Real Time Design - RFCoolTools RLC Filter Simulation, S-parameter Plotter, Filter Optimization,Broadband Impedance Match

NewLog - A free windows logging program for radio hobbyists, and others by AB9B

MicroMUF - MicroMUF is a windows free HF propagation calculator that you can use to estimate the MUF (Maximum Usable Frequency) and LUF (Lowest Usable Frequency) between any two points on the Earth.

MorseDecoder - HotPaw MorseDecoder for iPhone and iPad. Translates sounds from mic to text. Includes a DSP narrow band filter.

Yaesu DSP Settings for Heil Microphones - To achieve maximum audio quality it is important to adjust the DSP settings of your transmitter when using Heil microphones.

Heil Microphones DSP Settings - How adjust DSP settings for your trasmitter when using Heil Sound microphones

Single coax filter - Coax Stubs for filters to help separate stations

Stub HF filter - Multi transmitter filters for HF Bands

Power netfilter - Homebrew a Power netfilter

Filtering of the Icom IC-775 DSP - Replacing filters on ICOM IC 775

Anatomy of a Loudspeaker - There are a number of important technical issues relating to the matching of speakers to amplifiers, and to the wiring of multiple speaker systems

20m CW QRP Transceiver - The direct-conversion receiver uses an audio-based automatic gain control, an LC tone filter, and a 100-kHz crystal for frequency alignment. The same VFO is used for transmitting and receiving by DC1YB

Crystal tester - Crystal tester project, crystals are used to control the operating frequency of transmitters, and it is used in radio frequency converters, oscillators, filters for cw, ssb and many other applications.