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Thank you all, it is understood that then in real operation it will be different from the measurements made only on the transformer, but I will be able to use the measurements for a first comparison

Hi! I'm running FW 7.14 on my 8753D Option 000 CPU upgrade. The FW 7.14 is the latest release for the 8753D. However, it has been mentioned several times that this CPU board can use the 8753E

Hi all, Does anyone have an original 4145B boot disk they can take a photo of the label? I want to make my own labels, so wouldn't mind replicating the original disk label if possible. Thanks!

You will need to match the source and load impedances to get an accurate result. Ideally you should also pass the same DC current through the core as the quiescent current of the amplifier as a DC

Do you have any specs on the transformer?? Like input and output impedances?? What tubes will it be used with?? Output impedance 4/8/16 ohms?

To obtain a good measurement of BW in an impedance matching transformer like this, it does indeed need to be tested with correct terminations on both sides. Since the output of your generator is an

-------- These voltages look pretty much on target. Take a look at the voltages on 1725A schematic that uses the same ICs. I agree it is an interesting choice to back feed +15V supply. It saves some

These days, with the huge pixel counts on "modern" smartphones, pics do often carry very few information compared to the size of the file. A great tool is "ImageOptim". Its free. Just drop a pic on

I agree with Pete. You can make some estimates with small signal conditions, but the real answer lies in what it does in an actual circuit. I think it's safe to assume it will work according to its

I don't know the real answer, but wouldn't it be necessary to drive the transformer from an impedance that matches the push-pull tube setup, including the source impedance *and* the DC current and

pins 7 and 5 same as U1 pins 12 and 13. U2 pin 6: 20V U2 pins 2 and 3: 42V Should pin 6 be that high? obviously it is outputting current to the 15V rail, about 155mA, but I don't know.

wrote: But it is a "web thingy" - it is not just a mailing list. How you choose it is up to you, but as has been pointed out, you can restrict the size of attachments, including setting the size to 0,

Hi Kuba I think you misunderstood what I was saying put the picture in the pictures file and then put a link to the pictures file This should stop multiple copies appearing on the site also Then they

Yes, one can set any limit on attachments, even including a size of zero so you don't get any. i believe that groups.io will compress images to a size you set too, although I am unsure of that.

Groups.io already converts attachments to links. You just have to reject all attachments in your settings on groups.io. Cheers, Kuba

There is a lot of room left over after removing the old monitor. It could be a good place to install a Rubidium frequency reference with room left over. There is also a port not used on the front for

Hi all I believe in your personal settings you can set an attachment limit to the size of attachment that you reweave Personally I would prefer all attachments to stop and pictures put into a file

Can you configure your e-mail application to leave attachments on the server and only down load them if requested. Most clients have tis setting. Cheers! Bruce Quoting Dave Daniel <kc0wjn@...>:

The fact that this entire issue is already neatly solved in groups.io? No, that is a reason to let the attachments flow. (Reasonable restraint is good, administratively prohibiting is bad.) Let’s

This is exactly the reason why many groups do not allow attachments. DaveD