https://soldernerd.com/tags/relay-sequencer/Recent content in relay-sequencer on soldernerdHugo -- gohugo.ioen&copy; 2026 Lukas F&auml;ssler &middot; soldernerdThu, 11 May 2017 00:00:00 +0000https://soldernerd.com/posts/rxtx-sequencer/Thu, 11 May 2017 00:00:00 +0000https://soldernerd.com/posts/rxtx-sequencer/<figure><img class="my-0 rounded-md" loading="lazy" decoding="async" fetchpriority="auto" alt="" width="1024" height="683" src="https://soldernerd.com/posts/rxtx-sequencer/images/20170507_Sequencer_001-1024x683_hu_de98e687f034cc3f.jpg" srcset="https://soldernerd.com/posts/rxtx-sequencer/images/20170507_Sequencer_001-1024x683_hu_de98e687f034cc3f.jpg 800w, https://soldernerd.com/posts/rxtx-sequencer/images/20170507_Sequencer_001-1024x683.jpg 1280w" sizes="(min-width: 768px) 50vw, 65vw" data-zoom-src="https://soldernerd.com/posts/rxtx-sequencer/images/20170507_Sequencer_001-1024x683.jpg"></figure> <p>Much like the <a href="https://soldernerd.com/posts/beacon-keyer/" >beacon keyer</a> presented here earlier, this RX/TX sequencer is a simple but useful little device. Its typical use is in ham radio applications when a separate power amplifier (PA) and/or a sensitive low-noise pre-amplifier (LNA) is used. Care has then to be take to safely transition between RX and TX states - and that&rsquo;s where this sequencer comes in.</p>