Audio Circuit Diagrams

Added a few pages covering audio controls a few weeks ago, looks like some have been indexed already.
Audio Base Adjustment.
Audio Treble Adjustment.
Audio Midrange Adjustment.
Audio Tone Adjustment.
Audio Loudness Adjustment.
A few of the additions provide some circuit analysis like the page covering Base control, while the page on Loudness just shows a simple circuit with no values. Same with the Tone control, just a circuit with no values. I've been wanting to add a audio control schematic for a while now, a partial schematic has been in my to-do list for months. So I'm just glad I finally got around to adding some data, partial or not. Each of the new pages is linked of each other and from the correct page in the Engineering Dictionary.

The companion site also has a few Audio Amplifier circuits which these could be applied to, and a Speaker Amplifier circuit.

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Low Page Views During 2010

Here are some pages that received little or no page views during 2010. These pages received 10 or less page views. There are hundreds of pages that never reached 365, or one page view a-day.

The FCIP protocol is brefly covered on a single page, with less than a paragraph of text which might explain why it receives no page views. The iSCSI Protocol page has the same problem, but with 15 page hits for the year.

A page covering 2N3485 High Temperature Operation received 8 page views. A failed section that receives very few page views. It could be that many of the pages in this section cover transistors that are no longer used, or maybe not in mass production. In any case the data is no the site, if some one did want to use it, But I've been up dating these pages for three years now with little or no success. Same deal for Over-Driving a 2N4237 Transistor, with 9 page views.

Of course this list has to include one of the pages from the Manufacturers Directory, this one listing companies starting with Vm. Having no page rank after 5 years on the internet and 13 page views for all of 2010, but that fits the entire section.

The new page on Doppler Shift failed to receive any page hits. Another new page relating to TTL OR Gates, but this one looks to contain almost no data.

A section on how to design an equipment chassis contains a page about Water Sensors, maybe I should just remove it because it costs my server more in bandwidth than I receive in page views. Another section around the same size covers Interface Buses in alphabetic order is doing about the same, guess no one needed that enhancement.

The content page for [page deleted] had 8 page views for all of 2010. It's a small section of a dozen pages that did much better a few years back, and I'm not sure why the page views have declined so bad. But that;s ok, because I only wrote it as a start to help a friend get into web development. The pages have zero to do with engineering.

transistor Overheating

There were a number of pages added a few years ago that covered temperature derating of transistors. The pages either covered power derating for air temperature or component case temperature. Anyway none of those pages are doing very well, in fact most don't even get a page-view per day.

It's not like I'm going to remove the pages or anything, but I would like to see more activity.
Transistor Related pages:

2N3441 NPN Transistor.
2N4931 PNP Transistor.
2N5003 PNP Transistor.
2N5002 NPN Transistor.
2N6691 NPN transistor.

In the hope that some day they might start doing better I keep up-dating them, although after 2 years of updates it appears that they may never take-off. These are links to pages that were never mentioned in this blog, so they are linked now. There are a number of others that have never been linked, but what's the point.

There are groups of other pages that don't do that well either.
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IC Circuit Functions

I was checking page visits for the year and found a number of new pages not getting any page views, and that have not been blogged about yet. I'm sure there are more but these pages received under 10 page views for the year.

Under the IC Functional Schematics;
Dual Input NOR Gate.
Dual Input XOR Gate.
8-Bit Latch.
MICA Capacitor Part Marking.
Styles of Capacitor Trimmers.

It's a bit late for any of these pages to help with the year end numbers, and the fact that they received less than 10 page views means they wouldn't put a dent in the numbers any way. But I'll blog about the new additions, but I think I added these pages a few months ago. I don't even think these pages will end up with 365 page views next year either.  However sometimes is nice to have a page to round out a topic, it not really just about page views.

Glue Logic Functions

About five months ago I started a new section covering basic IC functions. Of course when I started it, the section only consisted of a few pages but every month of so I add another page. Better yet I go back to one of the previous page addition and add more data.

So a week or so I added a new page covering the 74L121 Monostable Multivibrator [also 74L122]. In addition a sub page to hold the 74L121 Timing Graphs, which were a bit larger to fit on the same page.

These new pages relate to a few others already listed; Transistor One Shots, and a CMOS One Shot IC, and the 555 One Shot.

I think the newest page before that covered Hex Inverter ICs. Before that I think it was Bus Transceiver ICs. The point is that the section is slowly growing in size, and content. Engineering Topics home.

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