--- a/content/eip545b_6.rst Thu Nov 05 22:14:33 2020 +0100 +++ b/content/eip545b_6.rst Thu Nov 05 22:15:16 2020 +0100 @@ -13,8 +13,8 @@ ================== I have been trying to figure out a bit more about the `sensitivity problem -<{static}/eip545b_3.rst#sensitivity-problem>`_ described in `part 3 -<{static}eip545b_3.rst>`_. +<{filename}/eip545b_3.rst#sensitivity-problem>`_ described in `part 3 +<{filename}/eip545b_3.rst>`_. The main problem remains the first YIG sphere that has fall off the holding rod. I have tried to manipulate it with thin wood stick, under my cheap USB @@ -31,12 +31,12 @@ The overall process of the Band 3 is as follow: -.. image:: {static}images/eip545b/band_3_operations.png +.. image:: {static}/images/eip545b/band_3_operations.png :alt: Simplified Band 3 Operations For which the first step is the search for signal: -.. image:: {static}images/eip545b/band_3_search.png +.. image:: {static}/images/eip545b/band_3_search.png :alt: Band 3 Search for Signal I seems to me that the RF level is used for two purposes: in the search for @@ -62,7 +62,7 @@ In order to understand, I have drawn the schematics of the board on which are the IF amplifier and the video amplifier: -.. image:: {static}images/eip545b/A201_2020303.jpg +.. image:: {static}/images/eip545b/A201_2020303.jpg :alt: A201 RF amplifier board Fortunately, the board is quite simple, and despite being made of SMD @@ -70,7 +70,7 @@ The schematics looks like: -.. image:: {static}images/eip545b/A201.svg +.. image:: {static}/images/eip545b/A201.svg :alt: Schematic of the A201 RF amplifier board The video amplifier consist of a simple MC1458 opamp (mainly a dual 741). @@ -98,7 +98,7 @@ The YIG tuned filter and mixer assembly looks like: -.. image:: {static}images/eip545b/YIG-mixer.jpg +.. image:: {static}/images/eip545b/YIG-mixer.jpg :alt: YIG filter output and mixer assembly Once again, I am trying to understand what this whole thing works, but I really