Tag: analog electronics

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25 Mbps discrete logic transceiver: Building a 25 MHz PLL with 74HC4046

Introduction In the receiver portion of my “25 Mbps discrete logic transceiver” project, I will eventually need a functional phase-locked loop (PLL) for one reason or another, but certainly for the clock data recovery circuit (CDR). Browsing the suitable components, that is, 5V CMOS, able to work with 25 MHz, not being super clunky and … Continue reading 25 Mbps discrete logic transceiver: Building a 25 MHz PLL with 74HC4046

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1 GHz Bandpass Filter with Distributed Elements

Introduction Working in a microwave engineering area I learned that classic components like capacitors or inductors are ditched away from the filter design and so called distributed elements are used. It means, basically,  that inductances, capacitors, LC circuits are created using conductive lines on PCB instead of soldering old school components. Pretty cool, I thought, let’s … Continue reading 1 GHz Bandpass Filter with Distributed Elements

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Analyzing cheap oven for the DIY reflow soldering oven – part II

Introduction In my previous post here, I analyzed cheaply purchased toaster oven that will be used as a reflow soldering oven. In order to make a good reflow oven, with a good PID regulation, we need to know it’s dynamical properties. While in the last post I played with, let call them, static characteristics, the dynamical properties … Continue reading Analyzing cheap oven for the DIY reflow soldering oven – part II