Thanks for answering.
I'm going to look for a better antenna for transmission.
About the callsign, I don't have anyone yet...
Firstly, I'm going to use the radio in the 27 MHz band (CB), which in my country (Portugal) is not necessary to make any amauter radio exam. All I need is to pay...
Hi berkeman.
The transceiver works in ShortWave and you can find it here under the name ADTRX1 (see HF SDR transceiver ADTRX1-YU1LM part2.pdf): http://yu1lm.qrpradio.com/homebrew.htm
I made some calculations (the 74HC4053 resistance is 80 to 180 Ohm at 25ºC, I have used 150 Ohm), I also...
Hi.
I need to connect an antenna to a BPF (Band Pass Filter) and this one to a transceiver. The BPF purpose isn't to make matching, is to filter the input/output signals to the desired bandwidth.
I'm a little confuse and would like you to confirm my ideas, to help I made a sketch...