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9700 Series, manual updates

Posted: Mon Mar 15, 2010 10:51 am
by PAiA-Scott
Under this topic are updates to 9700 Series assembly and using manuals.

9748 Balanced Modulator, 3/1/10

Posted: Mon Mar 15, 2010 10:56 am
by PAiA-Scott
9748 Balanced Modulator Manual Update


The last sentence of the first paragraph on page 4 has the letter “e” missing from the word “be”. Please mark this in your manual.

9747 Passive Mixer / Splitter, 3/9/10

Posted: Mon Mar 15, 2010 11:19 am
by PAiA-Scott
9747 Passive Mixer / Splitter Manual Update


The Fig. 1 printed-circuit-board to front-panel assembly illustration should have the boards facing the other direction with J1 at the top of the panel and J8 at the bottom.

2/12/10 update:

The last sentence of the first paragraph on page 4 should read, “The two boards used for the module kit
do not utilize a connector (or wiring) at the P2 designation.”

9741 Dual VCA, 2/12/10

Posted: Mon Mar 15, 2010 11:41 am
by PAiA-Scott
Update to schematic for the values of Resistors R23 and R26. These resistors have been changed from 22k to 2.7k.

The printed-circuit-boards have been made with the 2.7k. The update pertains to the schematic.
21210note9741.pdf
(160.11 KiB) Downloaded 2456 times

9744 CV Source / Mixer/Attenuator, 2/12/10

Posted: Mon Mar 15, 2010 11:48 am
by PAiA-Scott
Update to the Mixer / Attenuator section Input labels and references.
21210update9744.pdf
(195.05 KiB) Downloaded 2483 times

9745 Mixer, 2/12/10

Posted: Mon Mar 15, 2010 11:54 am
by PAiA-Scott
This update is an acknowledgment of a paragraph appearing twice.

The paragraph beginning, "Use two..." is duplicated on pages 5 and 6.

9751 Noise Source, 2/12/10

Posted: Mon Mar 15, 2010 12:03 pm
by PAiA-Scott
Updates pertinent to the Red Noise circuit Fc capacitor and panel/manual labels and references.
21210update9751.pdf
(68.02 KiB) Downloaded 2540 times

9752 Sample&Hold, 2/12/10

Posted: Mon Mar 15, 2010 12:13 pm
by PAiA-Scott
Update to the 9752 manual schematic with changes of surface-mounted
resistor R4 to 100K and an added 0.22uF (220nF, possibly marked 224) at the capacitor C15 DoNotInstall (DNI) designation for an effective 330nF in this clock-circuit timing capacitance.
21210update9752.pdf
(144.05 KiB) Downloaded 2529 times

9756 Linear to Exponential Converter, 2/12/10

Posted: Mon Mar 15, 2010 12:17 pm
by PAiA-Scott
This schematic updates Fig 2 of the 9756 manual with a change of the label for the connection to R9 from the negative supply to the positive (update to update--reference to 9752 should be 9756).
21210update9756.pdf
(121.87 KiB) Downloaded 2498 times