voice analyser therapy

Longwave Information - DK8KW Longwave Information Slow-Voice, Transmitting compressed analog Audio Signals on LF

Win-Test LUA Scripts for TS-590 Voice Messages - Win-Test Contest Logger scripts for VGS-1 Voice keyer module for the TS-590 by DK5TX

Setting up DVK via USB for TS-590 - Configure the Kenwood TS-590S for Digital Voice Keying DVK, a must for contesting.

Using VNA to adjust Linear amplifiers  ^updated - Linear amplifiers cold adjustments with network analyser (VNA)

Electro Voice 664 Wiring - Electro-Voice Model 664 (EV 664) cardioid microphone, wiring diagram, pictures and data sheet

Spectrum Analyzer Tutorial and Basics - A summary or tutorial about the basics of the spectrum analyzer, what it is and what it is used for.

Oscilloscope for the Blind - The vOICe Learning Edition can be used in combination with a regular oscilloscope, allowing blind users to hear any oscilloscope trace.

ZL2PD HF RF Signal Generator - This circuit came out of some work done for two antenna analysers

IW3HEV embedded antenna analyser - An interesting project of the popular IW3HEV antenna analyzer in and embedded solution by PA3CKR.

Digital HF Antenna Analyser Project - This antenna analyzer measures complex impedance over the 1.6 - 33 MHz HF spectrum by ZL2PD

Analog HF Antenna Analyser - A simple antenna analyser for the HF spectrum with a built-in signal generator with 3-digit LED frequency display.