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      <title>Spencer&#039;s TIL Blog</title>
      <link>https://til.maroukis.net</link>
      <description>Last 10 notes on Spencer&#039;s TIL Blog</description>
      <generator>Quartz -- quartz.jzhao.xyz</generator>
      <item>
    <title>Recent TILs</title>
    <link>https://til.maroukis.net/</link>
    <guid>https://til.maroukis.net/</guid>
    <description><![CDATA[ Collecting short tidbits of things I learn along the way. Subscribe via RSS. My other websites: Projects Blog | Working Notes. ]]></description>
    <pubDate>Sun, 26 Jul 2026 12:10:09 GMT</pubDate>
  </item><item>
    <title>README</title>
    <link>https://til.maroukis.net/README</link>
    <guid>https://til.maroukis.net/README</guid>
    <description><![CDATA[  Note if you are viewing this on the til.maroukis.net domain this is the README of the source notes at github.com/smaroukis/til-source. ]]></description>
    <pubDate>Sun, 26 Jul 2026 08:28:09 GMT</pubDate>
  </item><item>
    <title>Hello World - Direct Hosting Cutover Test</title>
    <link>https://til.maroukis.net/Hello-World---Direct-Hosting-Cutover-Test</link>
    <guid>https://til.maroukis.net/Hello-World---Direct-Hosting-Cutover-Test</guid>
    <description><![CDATA[ Hello world! This temporary note confirms that the Quartz cutover from GitHub Pages to direct server hosting was published on 2026-07-26. ]]></description>
    <pubDate>Sun, 26 Jul 2026 00:00:00 GMT</pubDate>
  </item><item>
    <title>fixing broken DNS server in my Japanese apartment</title>
    <link>https://til.maroukis.net/fixing-broken-DNS-server-in-my-Japanese-apartment</link>
    <guid>https://til.maroukis.net/fixing-broken-DNS-server-in-my-Japanese-apartment</guid>
    <description><![CDATA[ In my Japanese apartment I fixed a home network DNS server issue that kept blocking my codex authentication when the auth expired every few days. ]]></description>
    <pubDate>Tue, 30 Jun 2026 00:00:00 GMT</pubDate>
  </item><item>
    <title>Deriving the Noise Gain vs Signal Gain of the Inverting Op Amp</title>
    <link>https://til.maroukis.net/Deriving-the-Noise-Gain-vs-Signal-Gain-of-the-Inverting-Op-Amp</link>
    <guid>https://til.maroukis.net/Deriving-the-Noise-Gain-vs-Signal-Gain-of-the-Inverting-Op-Amp</guid>
    <description><![CDATA[ A further derivation of the closed loop gain equation found in Walter Jung's seminal book on operational amplifiers ]]></description>
    <pubDate>Wed, 19 Mar 2025 00:00:00 GMT</pubDate>
  </item><item>
    <title>Programming STM32 via SWD with Arduino IDE on Ubuntu</title>
    <link>https://til.maroukis.net/Programming-STM32-via-SWD-with-Arduino-IDE-on-Ubuntu</link>
    <guid>https://til.maroukis.net/Programming-STM32-via-SWD-with-Arduino-IDE-on-Ubuntu</guid>
    <description><![CDATA[ Oh Linux. I just wanted to quickly program an STM32 chip over SWD with the Arduino IDE for a blinky test but ... ]]></description>
    <pubDate>Sun, 16 Feb 2025 00:00:00 GMT</pubDate>
  </item><item>
    <title>The black magic of noise shaping in Sigma-Delta ADCs</title>
    <link>https://til.maroukis.net/The-black-magic-of-noise-shaping-in-Sigma-Delta-ADCs</link>
    <guid>https://til.maroukis.net/The-black-magic-of-noise-shaping-in-Sigma-Delta-ADCs</guid>
    <description><![CDATA[ Now that I understand it I am even more confused on why it works. ]]></description>
    <pubDate>Tue, 11 Feb 2025 00:00:00 GMT</pubDate>
  </item><item>
    <title>Faradays Ice Pail Experiment and the Effect of Shield Grounding</title>
    <link>https://til.maroukis.net/Faradays-Ice-Pail-Experiment-and-the-Effect-of-Shield-Grounding</link>
    <guid>https://til.maroukis.net/Faradays-Ice-Pail-Experiment-and-the-Effect-of-Shield-Grounding</guid>
    <description><![CDATA[ An incomplete inquiry into shield grounding from the electrostatics point of view. ]]></description>
    <pubDate>Thu, 30 Jan 2025 00:00:00 GMT</pubDate>
  </item><item>
    <title>Frequency Compensated Voltage Divider Uses Pole Zero Cancellation</title>
    <link>https://til.maroukis.net/Frequency-Compensated-Voltage-Divider-Uses-Pole-Zero-Cancellation</link>
    <guid>https://til.maroukis.net/Frequency-Compensated-Voltage-Divider-Uses-Pole-Zero-Cancellation</guid>
    <description><![CDATA[ The frequency compensated divider uses pole zero cancellation to achieve constant gain over all frequencies. ]]></description>
    <pubDate>Sat, 19 Oct 2024 00:00:00 GMT</pubDate>
  </item><item>
    <title>The same amount of energy is lost in an RC circuit no matter how small R is made</title>
    <link>https://til.maroukis.net/The-same-amount-of-energy-is-lost-in-an-RC-circuit-no-matter-how-small-R-is-made</link>
    <guid>https://til.maroukis.net/The-same-amount-of-energy-is-lost-in-an-RC-circuit-no-matter-how-small-R-is-made</guid>
    <description><![CDATA[ There is no free lunch thanks to the 2nd law of thermodynamics. ]]></description>
    <pubDate>Wed, 14 Aug 2024 00:00:00 GMT</pubDate>
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