LF/LF/LF/LF/LF/LF/LF JFET Input Operational Amplifiers. General Description. These are the first monolithic JFET input operational. 1 Nov LF (AV=5). • High Impedance Buffers. Extremely fast. 4. μs settling time to %. • Wideband, Low Noise, Low Drift Amplifiers. These are the first monolithic JFET input operational amplifiers to incorporate well matched, high voltage JFETs on the same chip with standard bipolar.

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Jul 3, Jan 2, Is this how this old opamp is supposed to operate? Felix S 2 9. Sign up using Facebook. Devices developed in the current century have a boatload of advantages in both performance and ease of use over the first stumbling step devices. Jul 1, 7. Here is the circuit: Quote of the day. I’m curious – what is it about your circuit that makes you think a JFET input stage can’t “handle it”? Of course the max output voltage could be limited as well.

The configuration shown doesn’t give a gain of 4. May 19, 1, 1, By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. It won’t at all properly work on a single 3. Sign up using Email and Password. Aug 1, 7, 1, I am planning to use the LFN for a ,f356 multiplier and sign inverter applicationbut i don’t know if the opamp can handle it like thebecause this one is a J-fet based opampand i fl356 afraid it shouldn’t lf36 used as a normal one.


Jun 17, 5, 1, A Concise Guide to Ceramic Capacitor Types This technical brief attempts to dispel some of the fog that surrounds the three-character cryptograms used to describe ceramic caps. Now here’s my problem: By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use llf356 the website is subject to these policies. I have a box of LFs. Jul 2, 9. Great specs and a drop in replacement for the The FET op amps often have a very narrow input range which is not good enough unless the supply voltages are the full plus and minus 15, but you seem to have plus and minus 12 which isnt too bad as long as the input does not get closer than about 4v to either rail.

It is a much more forgiving and well behaved op-amp.

In any case though you’ll want to check your input voltage to see if it always falls within the input common mode range of the op amp being used. Do you already have an account? Is there any “standard” modern lt356 to rail opamp with GBP around 5Mhz you could recommend?

However, I noticed that. I already suspected something like this.

Simple question about capacitors Posted by ollie in forum: Have you checked the necessary supply voltage of the and are you applying it accordingly? Feb 11, 5, 1, Jun 30, 3. Andy aka k 10 Simple question about solenoids If you don’t need any of the more extreme performance parameters rail to rail input or output, ultra low noise, ultra wide bandwidth, etc.


Jun 30, 1. Is this because I’m using a single supply? Posted by J6Str in forum: The output voltage swing will also clamp at a volt or so above the negative rail 0V in your set up so this will be another problem.

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JFET Operational Amplifier | LF

Simple question about LF Reply to Thread. Vcc is single supply 3. However, I noticed that it doesn’t seem to work below 5V at all it pulls up the positive input to some DC voltage, overlaying the signal if I don’t use a decoupling cap.

Jul 2, They are in stock at Digi-Key and there are Ebay sellers all over the world.

Simple question about LF356

Post as a guest Name. First step is to verify all of the power supply voltages, not just on the power supply board, on all of the boards.

Simple Question about Current Posted by paul in forum: Posted by Calcifer in forum: