5 watt

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5 watt

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Antennas : Baluns : 4 to 1 balun
  • 4 to 1 Balun - 4:1 FB 3061 ROD x 2 balun can handle 125 Watts
    [ Hits: 913 | Votes: 6 | Rating: 6.5 ]
Antennas : Portable
  • Balcony Mounted Buddistick Antenna by KP4MD - The antenna handles 250 watts and covers 40 through 10 meters, with an optional add on coil for 80 and 60 meters. The author in this pages includes an interesting video in which describes the antenna setup, and the importance of the shunting coil on lower bands like 40 and 80 meters. SWR curves diagrams are also included and demonstrate the influence on resonating frequency of the shunting coil.
    [ Hits: 279 | Votes: 3 | Rating: 10 ]
Antennas : Tuners
  • Semi-automatic antenna tuner project - Thsi article describes a microcontroller driven semi-automatic antenna tuner capable of handling power levels up to 150 watts. The device is a low pass filter tuner manually tuned by setting the optimized L/C combination by hand and then storing the values into the EEPROM of the mictrocontroller to recall them later (seperately for each band from 80 to 10 meters including WARC bands)
    [ Hits: 291 | Votes: 0 | Rating: 0 ]
Internet and Radio : Podcast
  • 100 Watts and a Wire - 100 Watts and a Wire is a ham radio talk show was originally launched as an audio podcast on June 22, 2015. Today, you can see the show on YouTube. It features topical conversation, interviews and ham radio news. You can listen anytime by subscribing wherever you get podcasts.
    [ Hits: 129 | Votes: 0 | Rating: 0 ]
Manufacturers : QRP Kits Manufacturers : Transceivers
  • PolEx Technologies - Makers of the The Polar Explorer transmitter, which operates on 9 HF bands from 160 through 10 meters and is capable of 500 watt peak output power on SSB, CW, AM, FM and RTTY. It is intended to be used in conjunction with a transceiver.
    [ Hits: 500 | Votes: 0 | Rating: 0 ]
Operating Modes : QRP
  • QRP - Low Power Operating ARRL - QRP is a way of operating that involves using low power transmitters, that are no more than 5 Watts for Morse or data modes, or 10 Watts pep for voice. Introduction to QRP operations
    [ Hits: 72 | Votes: 1 | Rating: 8 ]
  • QRP is for Beginners - QRP is a Q-code originally meaning reduce power, but now has come to mean operating a radio that outputs 5 watts or less for CW or 10 watts for SSB.
    [ Hits: 113 | Votes: 2 | Rating: 9.5 ]
Radio Equipment : HF Transceivers : Elecraft K3
  • ZL2IFB Elecraft K2 K3 - A page dedicated to the Elecraft K2 and K3 transceivers, Connecting the K3 to your PC Useful K3 features, K3 REF CAL re-calibration of the VFO frequency, W2 wattmeter, KPA500 QSK amplifier
    [ Hits: 104 | Votes: 2 | Rating: 10 ]
Radio Equipment : VHF-UHF Mobile : Yaesu FT-7800R
  • Yaesu FT-7800R - The FT-7800R provides 50 Watts of power on the 144 Mhz band, and 40 Watts on the 430 MHz, and is designed for simplicity of operation along with high performance in the receiver section.
    [ Hits: 202 | Votes: 0 | Rating: 0 ]
Technical Reference : Amplifiers : HF Amplifiers
  • Stone Creek Special 600 HF RF Amplifier - This is a Solid State Amplifier Project. It uses 4 MRF150 MosFet Power Transistors. The Power Supply Voltage is 50 VDC at 21.5 Amp. The max power available is 1,075 Watts. The Efficiency is about 65% +/- and runs Class AB Solid State.
    [ Hits: 270 | Votes: 0 | Rating: 0 ]
Technical Reference : Amplifiers : UHF Amplifiers
  • Homebrew 1 Watt 2.4 GHz Power Amplifier - This will show you how to add a RF power amplifier to your Proxim Symphony for under $50. The cost is reduced by using the existing components on the Symphony, such as the PIN diode switch, and just inserting a higher power final amplifier. Increase the RF output power of your wireless network card to 1 Watt.
    [ Hits: 157 | Votes: 4 | Rating: 6.5 ]
Technical Reference : Amplifiers : VHF Amplifiers Technical Reference : Arduino
  • The WB0RIO 28 Mhz Arduino Beacon - This project involves the construction of a 5 Watt Morse code beacon transmitter that operates in the 28.200 to 28.300 section of the 10 Meter Amateur Radio band. The beacon controller uses an Arduino Uno microprocessor board to produce the three signals that control the transmitter.
    [ Hits: 622 | Votes: 0 | Rating: 0 ]
Technical Reference : Coax Cables and Connectors
  • Coax Loss Calculator Online by K5VR - RF Feedline (Coax and Ladder-Line) Loss and ERP Calculators made with Javascript. This complex feddline loss calculator has already several line types paramenters for most common coaxial cables from Belden, Time LMR, Wireman and other common products. Result will give Matches loss, SWR loss, dB and Watts power loss.
    [ Hits: 249 | Votes: 2 | Rating: 5 ]
Technical Reference : HF Radios
  • Homebrew a High Performance SSB RTX for 14 MHz - This article describes the construction of a high performance transmitter and receiver for SSB (voice) communication covering the 14MHz (20 meters) high frequency amateur radio band with output range 15 to 20 watts and a top audio sound quality both on transmit and receive.
    [ Hits: 345 | Votes: 5 | Rating: 7.8 ]
Technical Reference : Homebrew
  • Experimental HF 6-band SSB transceiver - An SSB radio for the HF bands will be presented. Featuring 12 to 20 Watts of output power (depending on DC supply), full DDS frequency generation, covering 6 major frequency bands (1.8, 3.5, 7, 14, 21 and 28 MHz) within the short wave amateur radio spectrum. The rig also features colored LCD and front panel backlight.
    [ Hits: 709 | Votes: 14 | Rating: 9.86 ]
  • A Three-Band One-Tube Novice Transmitter - A homebrew radio transmitter project, based and inspired by the original 30 Watts input on 80 50 and 15 meters band transmitter by W11CP
    [ Hits: 342 | Votes: 2 | Rating: 10 ]
Technical Reference : Power Meter
  • A 500 Watt HF Dummy Load and Power Meter - This project was published in the April 2004 issue of the Australian magazine Amateur Radio, and has been designed using parts which are very readily available.
    [ Hits: 2002 | Votes: 2 | Rating: 9 ]
Technical Reference : QRP Projects
  • Gimme Five - QRP SSB Transceiver - Gimme Five reloaded, a compact 5 band QRP SSB transceiver in SMD technology. This unit covers 5 bands within the amateur radio spectrum (3.5, 7, 14, 21 and 28 MHz). Receiver is a single conversion unit with an interfrequency of 9 MHz. Transmitter uses 5 stages and has got a power level of 10 watts PEP output.
    [ Hits: 284 | Votes: 1 | Rating: 10 ]

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