coupled
13 links
- A Feasible Full Sized 40 Meter Beam
- This project started as a result of renewed interest in 40 meters coupled with the desire for an antenna system that would be more effective than the simple dipole.
[ Hits: 7238 | Votes: 1 | Rating: 1 ]
- Receive 4 square antenna
- N6RK receive 4 square antenna with transformer coupled antennas and true hibrid combiner
[ Hits: 1678 | Votes: 1 | Rating: 7 ]
- Tri-Band J-Pole
- This strange looking antenna is a combination of Coupled-Resonator principle by K9AY and a quarter stubs to achieve low angle radiation pattern. Designed with 4nec2 NEC based antenna modeler and optimizer for 145/220/440MHz bands
[ Hits: 1913 | Votes: 5 | Rating: 9 ]
- EggBeater Antenna for VHF UHF
- This antenna was conceived mainly for high-speed digital transmission via satellite. The antenna is made of two full waves loops , mounted at right angles to each other. Then coupled together, 90 degrees out of phase over a horizontal circular reflector. With this configuration the antenna is omni directional and circularly polarized.
[ Hits: 226 | Votes: 0 | Rating: 0 ]
- T2FD Antenna - Terminated and twisted folded dipole
- T2FD is a 600-900 ohms folded dipole, terminated with resistor. Feed impedance is coupled with 50/600 ohms voltage balun. It is a wide band antenna with rather low SWR over the full designed frequency range: antenna tuner is seldom needed.
[ Hits: 482 | Votes: 0 | Rating: 0 ]
- Link-Coupled Antenna Tuners
- W4RNL tutorial on on inductively coupled (link-coupled) antenna tuners
[ Hits: 2679 | Votes: 2 | Rating: 5.5 ]
- Link Coupled Tuner
- Legal Limit Link Coupled Balanced Tuner,for the amateur ham radio HF bands. This Tuner uses plug-in Coils sets for 40, 80, & 160 meters
[ Hits: 3909 | Votes: 2 | 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 ]
- QRP Z-Match Tuner 40-10m
- The Z Match is really a basic L Match consisting of a series capcitor and variable shunt inductor, coupled to the antenna using the RF transformer action.
[ Hits: 1797 | Votes: 0 | Rating: 0 ]
- Signal Forge
- The signal forge 1000 signal generator is a portable, high-performance digital and rf signal source with a 1 ghz frequency range. features include digital, differential and ac coupled outputs
[ Hits: 635 | Votes: 0 | Rating: 0 ]
- AADE Filter Design
- Dowwnload this free windows programs to design Butterworth, Chebyshev, Elliptic (Caur), Bessel, Legendre and Linear Phase low-pass, high-pass, band-Pass, and band-reject filters. Coupled Resonator band-pass filters
[ Hits: 24826 | Votes: 113 | Rating: 7.16 ]
- A 1296MHz Amplifier
- Two coupled PAs with each 2 times 2C39 deliver around 400W RF.
[ Hits: 776 | Votes: 0 | Rating: 0 ]
- Optocoupled Transceiver-PC Audio Isolator project
- An optocoupled audio interface between PC and Transceiver for digital modes. The article includes full schematic of complete board and build instructions.
[ Hits: 197 | Votes: 0 | Rating: 0 ]
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