DIY hobbyist that likes to share my designs and findings

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This is part of a 10MHz OCXO-based frequency reference o standard.
This is a test PCB that allows you to use a DAC to control the adjustment input to an OCXO, and can be used instead of the 16-bit duel DAC circuit.
This is the back panel for the GPSDO V4.1 project. It goes together with the boards from W391763ASV8 and W391763ASV9 and the front panel W391763ASV11 below. The quality of the boards is excellent! Th...
This board is a GPSDO based on the Lars Walenius design, with many enhancements. This board can be used to function as the main GPSDO, but also as the GPSDO to supply an external clock for a very high...
This is test board for the GPSDO and the Reciprocal Counter project. The details can be found on my Blog here: https://www.paulvdiyblogs.net/2023/01/a-high-resolution-reciprocal-counter.html and here...
This is the front panel for a high precision/high resolution Reciprocal Counter design. Details can be found on my Blog here: https://www.paulvdiyblogs.net/2023/01/a-high-resolution-reciprocal-counte...
This is the front panel for the 10MHz frequency reference
This is the front panel for the GPSDO V4.1 project. The picture also shows the interface board from W391763ASV9 while the cover of the enclosure is unmounted.
This board is the companion for the GPSDO mentioned above. All the inputs and outputs are isolated with transformers or optical switches such that ground loops and connection glitches will not disturb...
This is test board for the GPSDO and the Reciprocal Counter project. The details can be found on my Blog here: https://www.paulvdiyblogs.net/2023/01/a-high-resolution-reciprocal-counter.html and here...
This is a new revision for the GPSDO advancement, to test several new circuit designs. Details can be found on my Blog here : https://www.paulvdiyblogs.net/2023/06/gpsdo-version-4.html
This is a new revision to test new developments in the original GPSDO project.