circuit287 links - and 1 categories
- G3SEK's Amateur Radio Technical Notebook
- A lot of good informations concerning antennas, filters, moonbounce, and circuitry data.
[ Hits: 4438 | Votes: 19 | Rating: 5.21 ]
- ATV accessories manufacturer
[ Hits: 825 | Votes: 25 | Rating: 6.68 ]
- XMATCH Antenna Tuner
- Ham Radio Antenna Tuners--Full Legal Power--Patented Circuit--Outstanding Efficiency and Power Capability
[ Hits: 5141 | Votes: 14 | Rating: 3.51 ]
- Almost all digital electronics
- This site is dedicated to electronics hobbyists, engineers, and Radio Amateurs interested in circuit design, homebrew and kit projects.
[ Hits: 7315 | Votes: 3 | Rating: 9.00 ]
- E. H. Armstrong
- Radio's premier inventor, Edwin H. Armstrong was responsible for the Regenerative Circuit (1912), the Superheterodyne Circuit (1918), the Superregenerative Circuit (1922) and the complete FM System (1933)
[ Hits: 799 | Votes: 5 | Rating: 9.40 ]
- ATV De ik1hgi
- Projects and design atv de ik1hgi Progetti, circuits, master, fotos in Italian
[ Hits: 2009 | Votes: 53 | Rating: 8.64 ]
- Yaesu 920 & SoundCard
- This circuit provides an interface between the Yaesu 920 transceiver and IBM computer sound card which allows data transfer and control of PSK31, RTTY, KEYBOARD CW, and SSTV modes for Amateur Radio
[ Hits: 2196 | Votes: 8 | Rating: 3.99 ]
- Elise Software Corporation
- Elise Software, OUTPUTMASTER, windows professional software for Printed circuit board, post processor, Gerbers, Drill files, ODB++, files generated fast and simply.
[ Hits: 410 | Votes: 0 | Rating: 0.00 ]
- Program for amateur radio digital communications via a sound card. Supported modes are RTTY (Baudot code), ASCII (7 or 8 bits), PSK31 (BPSK and QPSK) and AMTOR-FEC (SITOR-B, NAVTEX). SELFEC SITOR decoding is possible also. No additional hardware required, need only a sound card. Optionally you can use simple circuit fo PTT-control. Can cooperate with RZ4AG AAlog logger.
[ Hits: 17532 | Votes: 855 | Rating: 7.35 ]
- Zelscope is a Windows software that converts your PC into a dual-trace storage oscilloscope and spectrum analyzer. It uses your computer's sound card as analog-to-digital converter, presenting a real-time waveform or spectrum of the signal - which can be music, speech, or output from an electronic circuit.
[ Hits: 69499 | Votes: 22 | Rating: 5.01 ]
- 2nd Order phase locked loop design for passive and active circuits. Bode plot, step response, design parameters
[ Hits: 1440 | Votes: 3 | Rating: 5.33 ]
- AAVoice digital voice processor
- "Digital voice processor for amateur radio operators. It use prepared ""wav""-files for transmition. Can work in the beacon mode. Optionally you can use simple circuit for PTT-control. It has a lot macros for tramsmitting. Can cooperate with RZ4AG AALog logger."
[ Hits: 5606 | Votes: 131 | Rating: 5.50 ]
- 432 MHz EME PreAmplifier
- 432 MHz EME low noise amplifier. Circuit, components and image by Christoph Petermann DF9CY
[ Hits: 9247 | Votes: 19 | Rating: 5.05 ]
- The Islander HF RTX
- A practical solution by Cuban radio amateurs, hybrid circuit with mostly defunct TV set parts.
[ Hits: 2015 | Votes: 0 | Rating: 0.00 ]
- TS-440S Improvements
- Various circuit improvements for the TS-440S by Richard L. Measures, AG6K
[ Hits: 2774 | Votes: 23 | Rating: 5.09 ]
- TS-430S Improvements
- Circuit improvements for the TS-430S by Richard L. Measures, AG6K
[ Hits: 2435 | Votes: 19 | Rating: 5.38 ]
- TL-922 Improvements
- Circuit improvements for the TL-922 by Richard L. Measures, AG6K
[ Hits: 1983 | Votes: 30 | Rating: 7.94 ]
- RS232 Interface
- This simple circuit is intended for older Kenwood radios and was presented in chapter 22 of the ARRL Handbook.
[ Hits: 2198 | Votes: 3 | Rating: 7.00 ]
- Defpom CB and HAM radio mods
- Circuit diagrams, CB and HAM mods, alignments, data sheets and pinouts, a massive site with over 600 pages of free info
[ Hits: 53219 | Votes: 12040 | Rating: 8.19 ]
- 50 MHz Transverter idea
- Complete 144/50 MHz transverter with GaAs Fet LNA and 400 mW out. No printed circuit board. Schematics and images by Christoph Petermann DF9CY
[ Hits: 9434 | Votes: 34 | Rating: 6.05 ]
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