dsp schematics

Beverage Transformer Calculator - W0FMS Two-Wire Beverage (SWA) Transformer Calculator

PA3CNJ Magnetic loop - Picture and projects including schematics of a loop antenna by PA3CNJ

Sparkmuseum - Vintage radio and scientific apparatus by john jenkins, include antique radios, Horn Loudspeakers, Vacuum Tubes, A.C. Receivers

Antique Radio Schematics - Antique Radio Schematics and Service Manuals for Tube Radios

SAMs Photofacts - Service Manuals and Schematics - Sams Photofact downloads - Schematics and Service Manuals for Radios, Amplifiers, More

VU2UKR HAM Radio Station - HAM Radio India Yagi Beam CW QRP SSB QUAD DX circuits sound card Transceiver Morse HF VHF Antenna Satellites Amateur Club Station Operators Licence Exam ASOC Guide Digital Mode Equipment Transmitter Experiments Project schematics Beacon dx HAMSAT VUSAT Satellite Emergency communication Information Homebrew QRP Kits

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

PSK31 Fundamentals and Setup - Background: The PSK31 philosophy, The QPSK mode, Varicode, Sound Card DSP Setup and Operating Tips

Software DSP for Weak Signal Enhancement - An Overview of Software DSP for Weak Signal Enhancement by Roger Rehr W3SZ at Elecraft Tech Notes

HF Amplifiers comparison chart - Comparison table of most popular RF HF Power Amplifiers in the US market

ON6AB's Kenwood TS570 pages - These pages are entirely devoted to the Kenwood TS570 series Transceivers. Specifications & Brochure, Pictures, Schematics, Reviews, Manual and Modifications.

Orion Logic/DSP modifcation - Orion Logic/DSP modifcation to support Version 2.x firmware

Building a DSP unit for Yaesu FT-817 - Installing a DSP Unit into the FT-817

MiniDSP - MiniDSP is a platform for digital audio signal processing applications. Manufacture low cost digital signal processor kits for the DIY/OEM market. Our flexible audio platforms are software controlled and easily upgradeable.

IDSP - IDSP is an app for IPHONE and IPOD Touch. Made by 2 powerful filters, a band pass and a band stop with adjustable bandwidth. Filters are butterworth 4 and 8 poles, sample rate at 44,100 32 bit. Cancel every noise and hear only your qso.

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

DSP Radio - DSP Radio Software Defined Radio for Mac OS X by DL2SDR

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.

Frequency Response Plotter - Draw static response time of an audio system. Originally intended for loudspeakers tests, is also a great tool for looking at microphone equalisation.

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

CAT Interface - CAT (Computer Aided Tuning) connects computers with ham radio. Yaesu FT-890 intercace and ICOM IC-Q7 schematics by DK7IN

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