Перейти к содержимому
  • Useful links

Метка: hf

24.07.202330.08.2023 enthru hamradio amplifiers, hf, mrfx1k80

mrfx1k80 first run

First test run of the big amp.

15.07.202321.08.2023 enthru hamradio amplifiers, hf, sdr

Continue working on SDR Box

Just photos: Arduino nano to convert BCD (Binary-coded decimal) codes for LPF to codes for BPF (they have different encoding for bands,

Читайте далее

29.06.202321.08.2023 enthru hamradio amplifiers, hf, mrfx1k80

Packages — fans arrived

48v fans for amplifier.

18.06.202321.08.2023 enthru hamradio amplifiers, hf

5w HF amplifier

It’s for using TRX-DUO as signal generator. I remember that I have old kit with IRF510. I bought it as assembled in

Читайте далее

06.06.202321.08.2023 enthru hamradio amplifiers, hf, mrfx1k80

Received big radiator, but…

Something went wrong while transporting. I still can use it, but it’s not cool. I spent 30$ for radiator and 30$ for

Читайте далее

31.05.202321.08.2023 enthru hamradio amplifiers, hf, mrf9180

Test amplifier with mrf9120

Just received a few mrf9180 and one mrf9120, decided to finally test it with mrf9120. Looks like i need to fully rebuild

Читайте далее

19.05.202328.05.2023 enthru hamradio amplifiers, hf

Some LPF measurements and settings.

Tuning LPF

19.05.202328.05.2023 enthru hamradio amplifiers, hf, mrf9180

Dead mrf9180 inside

I was doing some measurements and accidentally disconnected supply power with connected power input from driver. So gates got more than negative 0.5v and right gate has died.

11.05.202315.05.2023 enthru hamradio amplifiers, hf, mrf9180

MRF9180 amplifier — feeding transistor via balancing choke

Let’s try to add balancing choke to the schematics — feed sources from 4 turn choke for each transistor (8 turns summary) with power connected to the central point.

09.05.202309.05.2023 enthru hamradio hf, sdr

Homemade SDR Transceivers

Homemade SDR Transceivers based on demo or datasheet modules.

Навигация по записям

Назад 1 2 3 Далее
На платформе WordPress

Все права защищены © enthru site Тема Atmospheres от SEOS THEMES