circuit
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Antennas : Baluns- HomeBrew 1:1 4:1 9:1 Baluns
- Circuit diagrams to homebrew different baluns by vk2awx
[ Hits: 2331 | Votes: 14 | Rating: 3.65 ]
- Horn Antenna dimensions
- Antenna design for Horn Antennas
[ Hits: 505 | Votes: 3 | Rating: 3 ]
- 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 ]
- 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 ]
- Osmond PCB
- Printed circuit board design for Macintosh
[ Hits: 395 | Votes: 0 | Rating: 0 ]
- 60 W Linear Amplifier Circuit
- The 60 Watt linear amplifier is simple all solid state circuit using power mosfet IRF840.
[ Hits: 2209 | Votes: 3 | Rating: 3.67 ]
- 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 ]
- Cheap Crystal Filter
- An economical way of building an SSB filter. The circuit is for a filter with a 6 DB band width of roughly 2.2 KHz.
[ Hits: 496 | Votes: 0 | Rating: 0 ]
- PC Headset Adapter for Ham Radio
- A PC headset to Rig adapter. Include a circuit diagram and a full part list for the project
[ Hits: 1632 | Votes: 0 | Rating: 0 ]
- Morse Keyer Circuit
- This is not a sophisticated automatic keyer but it is lot QRP to build and to have fun operatin
[ Hits: 861 | Votes: 0 | Rating: 0 ]
- Touch CPO
- A simple CPO for those who want to practice CW in a different way, with out the morse key
[ Hits: 404 | Votes: 0 | Rating: 0 ]
- 600v Power Supply
- A 600 volts power supply for QRO
[ Hits: 484 | Votes: 1 | Rating: 8 ]
- 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 circuit
- This RF probe circuit allows RF to be measured in the presence of DC
[ Hits: 570 | Votes: 1 | Rating: 1 ]
- 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: 605 | Votes: 1 | Rating: 10 ]
- RF Probe Design
- Build you own RF probe, measure the level of RF voltage present at a particular point.
[ Hits: 542 | Votes: 1 | Rating: 8 ]
- ZL2PD HF RF Signal Generator
- This circuit came out of some work done for two antenna analysers
[ Hits: 825 | Votes: 2 | Rating: 8 ]
- 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 ]
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