The ICS501 / ICS511 from Renesas are easy to use, fully integrated clock multipliers for output frequencies up to 200 MHz. What makes them particuarly interesting is the integrated crystal oscillator circuit and ability to produce some fractional multiples, such as 6.25 or 2.5. So let’s find out if they’re interesting for the hobbyist who […]
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ICS501 – Integrated PLL Clock Multiplier
Before clock multiplier circuits existed, they had to be implemented with discrete parts. This took up quite a bit time in design and prototyping. Luckily the days are over and we can use integrated clock multipliers such as the LOCO™ PLL clock multiplier ICS501. I stumbled across a box of ICS501 PLL clock multipliers from […]
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Universal Clock Translator using Renesas VersaClock 6E Devices
Due to the popularity of the QO-100 geostationary amateur radio communication satellite, precision GPS reference frequency sources (GPSDO) are becoming more and more common in home labs. The desire to derive different, fixed frequency signals from a GPSDO has similarly been increasing as different devices requiere different reference clocks with different frequencies. Therefore, this article […]
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Crystal controlled listening device
There are tons of circuits for listening devices available on the internet. For the most part, they all have in common that they are virtually useless. This article shows how to build a reliable, small and inexpensive listening device using a PLL clock multiplier and a standard crystal. Most audio listening devices, also called spy […]
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