https://rfcorner.in/tags/innotion/Recent content in INNOTION on Dhiru's NotebookHugoenSun, 28 Jun 2026 00:00:00 +0000https://rfcorner.in/posts/1w-5v-amplifier-2026-redux/Sun, 28 Jun 2026 00:00:00 +0000https://rfcorner.in/posts/1w-5v-amplifier-2026-redux/<h2 id="the-constraints">The constraints</h2> <ul> <li>5V (~500mA) power from phone</li> <li>1W RF output required</li> <li>Very compact with less "moving" parts</li> <li>14 MHz capable</li> </ul> <h2 id="the-design">The design</h2> <p>We use <code>INNOTION YG401530VB</code> MMIC in this design.</p> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-gdscript3" data-lang="gdscript3"><span class="line"><span class="cl"> <span class="mi">100</span><span class="n">n</span> </span></span><span class="line"><span class="cl"><span class="n">Si5351</span> <span class="n">CLK</span> <span class="mi">0</span> <span class="o">--||----+---------+</span> </span></span><span class="line"><span class="cl"> <span class="o">|</span> <span class="n">MMIC</span> <span class="o">|</span> </span></span><span class="line"><span class="cl"> <span class="o">|</span> <span class="n">IN</span> <span class="o">|</span> </span></span><span class="line"><span class="cl"> <span class="o">|</span> <span class="o">|</span> </span></span><span class="line"><span class="cl"> <span class="o">|</span> <span class="n">OUT</span> <span class="o">+----||----</span> <span class="n">RF</span> <span class="n">OUT</span> <span class="o">----</span> <span class="n">LPF</span> <span class="o">----</span> <span class="mi">50</span><span class="n">R</span> <span class="n">dummy</span> <span class="nb">load</span> </span></span><span class="line"><span class="cl"> <span class="o">+----+----+</span> <span class="mi">100</span><span class="n">nF</span> </span></span><span class="line"><span class="cl"> <span class="o">|</span> </span></span><span class="line"><span class="cl"> <span class="mi">10</span><span class="n">uH</span> </span></span><span class="line"><span class="cl"> <span class="o">|</span> </span></span><span class="line"><span class="cl"> <span class="o">|---</span><span class="mi">100</span><span class="n">n</span><span class="o">---</span><span class="n">GND</span> </span></span><span class="line"><span class="cl"> <span class="o">|</span> </span></span><span class="line"><span class="cl"> <span class="o">+</span><span class="mi">5</span><span class="n">V</span> </span></span></code></pre></div><p>Note: No explicit 'special' matching required it seems ;)</p> <p>This seems to be an extremely broadband circuit which should cover all HF!</p> <h2 id="results">Results</h2> <p>10 dBm from Si5351 and 13.8 dB gain of the INNOTION MMIC gives ~9.8Vpp output theoretically.</p>