November 18, 2018

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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I have a circuit in which a square wave with smaller amplitude should be amplified with an opamp. Simple question about Flow? Sign up using Email and Password. 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. Randomly check that all the voltages are getting to all the boards. Jul 3, Simple Question about Current Posted by paul in forum: Jul 1, 7.

JFET Operational Amplifier | LF

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. Guess repairing this scope is impossible. Jul 4, Sign up or log in Sign up using Google. Devices developed in the current century have a boatload of advantages in both performance and ease of use over the first stumbling step devices.


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LF356 – JFET Operational Amplifier

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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.

No, create an account now. Jun 30, 1. Jun 17, 5, 1, Nov 13, 4 0. With this circuit I manage to easily amplify the signal, Vcc is single supply 3.

These two op-amps are much higher speed op-amps than the and require a lot of Jun 30, 3. Is this because I’m using a single supply?

Posted by Calcifer in forum: Is there any “standard” modern rail to rail opamp with GBP around 5Mhz you could recommend? Sign up using Facebook.

Simple question about LF356

Posted by J6Str in forum: So, is this op-amp is to repair your scope? Your name or email address: Assuming it can swing within 2 volts of Vcc, then yes, it should work as simulated.

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I have a box of LFs. Felix S 2 9. It won’t at all properly work on a single 3.

What country are you in? I am planning to use the LFN for a gain 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 am afraid it shouldn’t be used as a normal one.

Jan 2, Jul ,f356, 4. Yes, my password is: By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Here is the circuit: Feb 11, 5, 1, Jul 2, Hi, I agree that the more recent op amps work better than the old ones.

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Have you checked the necessary supply voltage of the and are you applying it accordingly? Great specs and a drop in replacement for the Now here’s my problem: Home Questions Tags Users Unanswered.

Simple question about LF Reply to Thread. I suggest that you consider the LF Jun 30, 2.