Re: Special op amp "tricks"
John Fields - 19:27 10-05-07
On Thu, 10 May 2007 16:20:05 -0500, "Jon Slaughter"
wrote:
> Are there any tricks I need to be aware of for practical op amp circuits?
> Mainly stuff to do with audio?
... Read More
|
|
Single supply opamp calculations
MRW - 15:02 18-06-07
Hi, I'm doing some more opamp calculations just to get used to opamp
golden rules some more. I decided to do an ideal analysis on an
inverting, single-supply opamp: http://i14.ti... Read More
|
|
Opamp preamplifier design question
MRW - 15:14 31-05-07
I'm working with these microphones because I have them already:
http://www.knowlesacoustics.com/knowlesacoustics-apps/microphone_productdetail.do?product_id=12
Assuming that th... Read More
|
|
Choosing voltage opamp
Vitaliy - 13:05 23-09-06
Hello,
I'm looking to add the 2nd stage to photodiode transimpedance
amplifier. All I want to achieve by 2nd stage is voltage gain and
capability to drive 50 Ohm loads. The fi... Read More
|
|
|
|
|
|
|
|
Calculating Input Noise Voltage
MRW - 13:07 31-05-07
I was just checking out various opamp datasheets. I encountered this
opamp:
http://focus.ti.com/lit/ds/symlink/tlv2784.pdf
In the few lines of text, it says that the input noi... Read More
|
|
Can a capacitor let DC current through?
vorange - 22:54 19-08-07
1st question : Till now, I believed that capacitors only let AC
signals through while blocking DC. But then, I saw a schematic whee
they put a capacitor on the output line of an... Read More
|
|
Alternative voltage reference?
MRW - 14:28 23-07-07
Hi! I would like to know if there are other means to setup a voltage
reference. I came up with this circuit:
http://bayimg.com/iAeflAAbg
The purpose is to have a voltage divid... Read More
|
|
|
|
op amp basics
lerameur - 04:20 13-05-08
hello,
I am trying to understand the fundamental of op-amp.
I found this link to be very interesting:
courses.ece.uiuc.edu/ece486/labs/lab1/386_op_amp.pdf
I would like to kno... Read More
|
|
|
|
|
|
Opamp offset voltage problem
01:36 02-02-07
Hi! I want to measure the offset voltage of an opamp. First, I
configure the opamp in an unity gain buffer and measure the output.
The offset voltage is 64.16uV. Then, I applied ... Read More
|
|
|
|
|
|
|
|
|
|
Re: Simple electret "pre-amp"
Lord Garth - 20:39 30-04-07
wrote in message
news:1177978474.155082.237790@e65g2000hsc.googlegroups.com...
> I am using a Logitech/Labtech USB microphone which is doing an okay
> job but could benef... Read More
|
|
Weird diff amp behavior?
Sam - 17:03 08-04-07
hey,
i'm using a LM324 opamp configured as a diff amp. the inputs come
from opamp followers, so there shouldn't be any loading issues.
when i vary the input connected to th... Read More
|
|
|
|
|
|
|
|
Re: balanced photodiode
John Popelish - 08:33 02-10-07
sperelat wrote:
> My professor gave me a circuit schematics of Balanced photodiode.
>
> This is my first time to study Balanced photodiode.
>
> It is composed of Photod... Read More
|
|
OpAmp and reference recomendations
Hammy - 17:28 04-05-08
I got tired of looking for a FET LDO that meets my line and load
specs, so I'm building my own. The LP38691 is the closest I could find
thats in stock and doesnt cost a lot,and... Read More
|
|
Re: Differential Amp
john jardine - 18:31 28-02-07
"Michael" wrote
in message news:oylFh.3307$1E3.2571@fe3.news.blueyonder.co.uk...
> Hi,
>
> I have a bank of 6 6V batteries and I'd like to be able to measure the
> vo... Read More
|
|
|
|
|
|
|
|
|
