5 watt to 7 watt8 links
- WBCQ The Planet
- This summer, WBCQ is running The Voice of the M/S Katie, live radio broadcasts originating from our radio ship the M/S Katie in Boston, Massachusetts. WBCQ broadcasts 50,000 watts on each of its four international shortwave transmitters on 5.110, 7.415, 9.330 and 18.910 MHz
[ Hits: 776 | Votes: 2 | Rating: 10 ]
- Dentron DTR-2000L restoration
- The Dentron DTR2000L is an HF amplifier from the 1980 era. It uses a single 8877/3CX1500A7 tube to produce about a kilowatt of RF output. In this page NR7N includes info on operation, restoration and mods.
[ Hits: 416 | Votes: 4 | Rating: 9.75 ]
- 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: 146 | Votes: 0 | Rating: 0 ]
- 2 m. Band VHF PA 5 Watts
- A VHF power amplifier made with two cheap RF transistors, 2N3924 as driver and a BFS22A for final stage, giving an unexpected output power of 7-8 watts maximum
[ Hits: 1798 | Votes: 1 | Rating: 10 ]
- N7KSB Milliwatt transmitter
- N7KSB used this 1/2 watt CW transmitter, with a roof-mounted ground-plane antenna to work all continents and over 30 countries
[ Hits: 2757 | Votes: 4 | Rating: 6 ]
- 5400 W Dummy Load
- High Voltage Dummy Load 3000 OHMS, 5400 WATTS
There are 45 layers of 6 resistors, each one being 400 OHMS @ 20 Watts for a total of 270 resistors
[ Hits: 1017 | Votes: 4 | Rating: 7.25 ]
- The Fox - 750 mw transmitter
- This RDF three transistor 144 MHz transmitter uses a 48 MHz scanner crystal as an oscillator / tripler. A second transistor boosts the signal to 40 milliwatts, a third amplifies the power output to 750 milliwatts.
Includes schematic and pictures.
[ Hits: 270 | Votes: 2 | Rating: 5.5 ]
- 70 MHz Tansverter
- Pictures and design plan of a 28 MHz - 70 MHz transverter 3Watts in - 8Watts out by 9A2SB
[ Hits: 575 | Votes: 1 | Rating: 1 ]
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