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Presents Telstar Electronics as a manufacturer specializing in amateur radio accessories, detailing its history since 1995 and highlighting key product offerings. The resource specifically mentions the _VoiceMax Transceiver Speech Processor_, designed to enhance audio fidelity and punch for SSB transmissions, and the _SkyWaveDX350_, indicating a focus on signal processing and reception improvement for DX operations. The company's product categories span ham radio accessories, microphones, and RF amplifiers, catering to various aspects of a station setup. The site implies a direct-to-consumer model for these specialized components, providing technical solutions for Icom, Yaesu, and Kenwood transceivers, and supporting homebrew enthusiasts with components and technical references.

When one operates at low power on SSB, speech processing becomes almost essential to get through the QRM. The circuit is a low cost speech processor that will perform well with a minimum of construction effort.

How to improve performance of your audio using a home made speech processor. In this article the author describes how to make your own speech processor providing a PCB foil pattern and with a 60mm x 60mm board.