Αποτελέσματα Αναζήτησης
8 Ιουλ 2016 · Our Easy Receiver is designed to work with our Easy Transmitter, Easy Audio Filter, Easy Tuner and Easy Keyer and Easy TR switch to make a complete QRP station. These boards are so that, if desired, they can be stacked together to produce a compact assembly.
12 Απρ 2012 · I ordered the 40 Meter Rockmite, for 7030, and the "connector and control" kit. These include the circuit board and all the parts mounted on it, plus the required connectors for power, headphones, paddles, and antenna.
21 Ιουν 2020 · The MFT’s are for 20 and 40 mtrs and do DSB (double side band). I did put them in a not-so-graceful box but they do what they are intended for which is QRP phone (SSB).
29 Μαρ 2020 · 40m CW receiver in test. Clockwise from top left, 3MHz VFO inductor. audio stages, crystal filter, 40m BPF, BF961 RF amp. Soon the receiver was chirping out CW down the low end of 40m.
21 Ιουν 2020 · After building 2 MFT’s from Javier which work without problems, I needed to have the DB4020. The MFT’s are for 20 and 40 mtrs and do DSB (double side band). I did put them in a not-so-graceful box but they do what they are intended for which is QRP phone (SSB).
The NS-40 is a five watt, 40-meter QRP transmitter of very simple construction. How simple? NONE SIMPLER! The circuit is a two-transistor, crystal-controlled Master-Oscillator, Power Amplifier circuit, using only fourteen, through-hole electronic components.
Basic multi-z antenna tuner for QRP. Easy to tune low-z and high-z antennas. This is just an experiment while testing it with my 40m EFHW antenna.
