circuits
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Antennas : K9AY- K9AY 160m 80m receiving loop antenna
- A K9AY loop antenna project done with Far Circuits pc boards for the antenna switch and bandpass filter and preamp by K7SFN
[ Hits: 987 | Votes: 1 | Rating: 7 ]
- The 4X4 Slimtenna
- Development of the Slim Jim antenna for HF
[ Hits: 1382 | Votes: 0 | Rating: 0 ]
- KGD - Reduced size antenna
- A reduced size antenna made of two series resonant circuits with a radiant tube condenser in German
[ Hits: 1033 | Votes: 4 | Rating: 9.5 ]
- Z-Match Antenna Tuner project
- This Z-Match is a link coupled all-band tuner. Two all band tank circuits cover 3-14mhz and 14-30mhz. The tank output links are selected with a very heavy duty SPDT rotary switch.
[ Hits: 1173 | Votes: 0 | Rating: 0 ]
- Variacs - Variable Autotransformer
- Use these Variac auto transformers for specific application requirements that include, but are not limited to, home coffee roasting, tube amps, and more.
[ Hits: 336 | Votes: 0 | Rating: 0 ]
- AFR Enterprises
- AFR Enterprises a leading distributor of electronic components, semicondustors, diodes, Resistors, Integrated Circuits across the USA.
[ Hits: 426 | Votes: 2 | Rating: 10 ]
- Mini Circuits
- RF / IF Microwave components DC to 20 GHz
[ Hits: 470 | Votes: 1 | Rating: 1 ]
- Design Guidelines for JFET Audio Preamplifier Circuits
- Design Guidelines for JFET Audio Preamplifier Circuits By Mike Martell
N1HFX
[ Hits: 642 | Votes: 4 | Rating: 1 ]
- Semiconductors
- Semiconductors, diodes and transistors, intregrated circuits
[ Hits: 301 | Votes: 0 | Rating: 0 ]
- Circuit Laws
- Basic electronic circuit laws, capacitors, resistors, power circuits examples
[ Hits: 383 | Votes: 3 | Rating: 5 ]
- Electronic Circuits and Design Information
- Descriptions, summaries,and tutorials about electronic circuits and electronic circuit design including amplifiers, attenuators, logic, transistor, operational amplifiers and much more
[ Hits: 395 | Votes: 0 | Rating: 0 ]
- Low cost frequency counter
- Low cost multifunctional seven digit LCD frequency counter, for your HAM radio shack
[ Hits: 2252 | Votes: 4 | Rating: 6.5 ]
- A low cost morse Trainer / Keyer
- By Prof. T. K. Mani - VU2ITI
[ Hits: 1171 | Votes: 1 | Rating: 10 ]
- The Modern Armstrong Regenerative Receiver
- Ramon Vargas Patron articel on regenerative receiver project
[ Hits: 3076 | Votes: 3 | Rating: 8.67 ]
- Sound Card Interface with Tone Keyer
- An improved version of the audio interface commonly used to connect a computer soundcard to a transceiver\'s receive and transmit audio circuits
[ Hits: 402 | Votes: 0 | Rating: 0 ]
- Make your own multimeter
- Homebrew a multimeter with this article
[ Hits: 384 | Votes: 0 | Rating: 0 ]
- RF Probe for HF
- A RF Probe circuit for the RADIO frequency experimenter to check the presence of a RF signal and also to measure its strength
[ Hits: 669 | Votes: 0 | Rating: 0 ]
- RF Probs and Watt meter
- This RF probe can be used at High Frequency (HF) or Ultra High Frequency (UHF) on both 50 and 75 ohm coaxial cables.
[ Hits: 604 | Votes: 1 | Rating: 10 ]
- The OscilloScope Tutorial
- How Oscilloscope works and how oscilloscopes are done, with main components like Vertical Amplifiers and Horizontal Scanning or Sweep Circuits
[ Hits: 230 | Votes: 0 | Rating: 0 ]
- Vacuum Tubes
- Vacuum Tubes History, Theory, and Circuits
[ Hits: 490 | Votes: 2 | Rating: 4.5 ]
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