Emanuele Girlando blog
Electronics repair & tweaking
Friday, January 14, 2022
Adventest R3361B Spectrum Analyzer vertical instability fix (failed joint between input LPF and coupler)
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After full recapping of the PSU and CRT modules of my R3361B the instrument began showing a pronounced vertical instability: looking at the ...
Sunday, December 19, 2021
Advantest R3361B Spectrum Analyzer CRT module removal and recapping.
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DISCLAIMER : the following instructions are provided only as a report of my hobby experience. In NO way they can be interpreted as a rep...
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Thursday, December 16, 2021
Advantest R3361B Spectrum Analyzer shows two side bands 10KHz apart from 0Hz (aka: PSU recapping)
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I was having fun performing some modulation measurements on my sig-gen (HP8640B) by using my R3361B as a modulation analyzer ...when started...
Monday, December 28, 2020
An Italian VOM: Chinaglia "Cortina Major"
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I own one of those superb VOMs. It features 40kOhm/Volt both in CC and AC, not a so common feature. Googling around I realized that the sche...
Thursday, April 2, 2020
how to recover a ck77 3.3V camera module from a scrap PC
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Got a ck77 94v-0 3.3V (model 5SF001N2F) camera module out of a scrap ASUS K550V. It shows a Realtek RTS5806 chip on board. ck77 94...
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