Talk:Transimpedance amplifier

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Good article. I hope you wont mind me trying to improve it by Wikifying and generally tidying it!--Light current 00:33, 11 August 2006 (UTC)

Hi Light current! Thank you for the willingness of cooperation. I had just begun thinking about your last discussions on the page of negative resistance when I noted your changes in the page of transimpedance amplifier.

Of course, my insertions need improving by a native English speaker(s). I have realized that I have only roughly exposed the topic. I promise you that I will assist you (in return for your editorial help), if you ever decide to join the BG Wikipedia :) Circuit-fantasist 08:06, 12 August 2006 (UTC)

Contents 1 Diagrams 1.1 Impede, embarrass, hamper, enervate, decrease, diminish... 1.2 "...effectively modifies the excitation voltage VIN..." 1.3 What is 'harmful' - resistance, voltage or the both? 2 The basic idea behind the passive current-to-voltage converter 3 A new page about the passive current-to-voltage converter? 4 Swapping Transimpedance amplifier and Current-to-voltage converter? 5 Cleanup

[edit] Diagrams

I know it's a pain, but the word 'harmful' in your diagrams gives the wrong impression to readers. Maybe you could change it to 'unwanted' 8-)--Light current 01:06, 11 August 2006 (UTC)

[edit] Impede, embarrass, hamper, enervate, decrease, diminish...

I would like to say that something is bad as it impedes, embarrasses, hampers, enervates the excitation input voltage when it strives to create a current. Also, I would like to say that the "bad thing" decreases, diminishes the effective (actual) current-creating voltage V_Ri = V_IN - V_R (in this arrangement, the resistor Ri actually acts as a voltage-to-current converter).

'Acts in opposition to'; or 'opposes'.

The "bad thing" REDUCES (or diminishes or cancels) the current-creating voltage V_Ri = V_IN - V_R --Light current 20:01, 20 August 2006 (UTC)

[edit] "...effectively modifies the excitation voltage VIN..."

According to the considerations abov, we have to write, "...effectively modifies the actual current-creating voltage VRi..." By the way, can you "unearth" some simpler single word (like decrease, diminish etc.) instead the combination "effectively modify"?

[edit] What is 'harmful' - resistance, voltage or the both?

Only, beginning to think about your word substitutions (I agree them) I have gradually realized that actually only the resistance is the "bad thing" in this arrangement (discuss). The voltage drop V_R is not a 'harmful' quantity; instead, it is a useful quantity as it is created by the input voltage source, in order to overcome the resistance! In other words, the voltage drop V_R is the reaction of the excitation source to the impeding resistance; it is its voltage, not resistance's voltage! So, if you allow me, I will apply the adjective 'undesired' only to the resistance R.

Maybe, this discussion is also suitable for Ohm's law where it is more precisely to say, "...the voltage source develops a voltage drop across the terminal conductors of the resistors..." instead, "...resistors develop a voltage across their terminal conductors..."

[edit] The basic idea behind the passive current-to-voltage converter

I have inserted a para about the basic (non-electrical) idea of the passive version (similarly the active version). The idea is simple and well-known from our life: the impidements cause a pressure; so, in order to create a pressure, an impediment has to be applied.

[edit] A new page about the passive current-to-voltage converter?

I suppose to open a new page about passive current-to-voltage converter; IMO, it deserves attention. Then, we may remove the part about the passive version from this page to the new one.

[edit] Swapping Transimpedance amplifier and Current-to-voltage converter?

I would like to come up for discussion the title. Actually, transimpedance amplifier and current-to-voltage converter are the same device. Only, I don't know why the first name is more frequently used although

• transimpedance amplifier is more meaningless than current-to-voltage converter
• current-to-voltage converter is more general than transimpedance amplifier as there are two versions (passive and active one) for it.

So, I suggest to make 'Current-to-voltage converter' main page and 'Transimpedance amplifier' - redirected page. Circuit-fantasist 14:47, 12 August 2006 (UTC)

[edit] Cleanup

I added the cleanup tag because of formatting and layout. It's rather choppy with very short paragraphs each with a heading. (Information looks good during a cursory look but the layout just makes it hard to follow). RJFJR 21:07, 21 September 2006 (UTC)

Is it OK enough already? Circuit-fantasist 10:23, 22 September 2006 (UTC)