--- a/content/10MHz_ref.rst Thu Nov 05 22:14:33 2020 +0100 +++ b/content/10MHz_ref.rst Thu Nov 05 22:15:16 2020 +0100 @@ -22,25 +22,25 @@ The device is a small enclosure with only a 2x5 pins connector: -.. image:: {static}images/freq_ref/efratom.jpg +.. image:: {static}/images/freq_ref/efratom.jpg :alt: The Efratom LPRO-101 frequency standard. - + The exact model is an Efratom Rubidium Frequency Standard Model LPRO-101: -.. image:: {static}images/freq_ref/efratom_sticker.jpg +.. image:: {static}/images/freq_ref/efratom_sticker.jpg :alt: The Efratom LPRO-101 frequency standard. Inside the enclosure, there is a single PCB with SMD and through hole components. It's quite dense. -.. image:: {static}images/freq_ref/efratom_inside.jpg +.. image:: {static}/images/freq_ref/efratom_inside.jpg :alt: The PCB of the Efratom LPRO-101 frequency standard. The rubidium lamp with the resonant cavity occupy almost a quarter of the total area. The cover of the enclosure is compartimented, mainly to shield the lamp+cavity device from the remaining of the board: -.. image:: {static}images/freq_ref/efratom_enclosure.jpg +.. image:: {static}/images/freq_ref/efratom_enclosure.jpg :alt: The enclosure of the Efratom LPRO-101 frequency standard. @@ -60,9 +60,9 @@ The video amplifer on the other hand has a bit of a trouble: -.. image:: {static}images/freq_ref/extron.jpg +.. image:: {static}/images/freq_ref/extron.jpg :alt: the Extron Electronics video amplifier - + As you can see on the picture above, the inductor is broken, and there is no visible mark on it. This inductor is used to produce the symetric voltages required to poser the opamp used to dispatch the @@ -79,7 +79,7 @@ datasheet_, in the Bipolar Output DC/DC Converter configuration page 16: -.. image:: {static}images/freq_ref/lt1616_bipolar_output_DC2DC.svg +.. image:: {static}/images/freq_ref/lt1616_bipolar_output_DC2DC.svg :alt: LT1616 Bipolar Output DC/DC converter. :align: center @@ -94,7 +94,7 @@ reference design, it should be a 22µH one. So let's make a purchase for this inductor as well as some 20k resistors for my HP8904A_. -.. _HP8904A: {static}hp8904a.rst +.. _HP8904A: {filename}/hp8904a.rst