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National Semiconductor LM and. LM, Respectively description. These devices consist of four independent, high- gain frequency-compensated Norton. LM description These devices consist of four independent, high gain frequency-compensated Norton operational amplifiers that were designed. LM MC Unit. Supply Voltage. VCC. + + V. Input Current. Iin. mA on the individual data sheets and the Selector Guide. All of the.

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Replacement Transformer Started by ncag 59 minutes ago Replies: I probably have few AD’s around, but i dont think i have any LM’s around anymore. Electro Tech is an online community with overmembers who enjoy talking about and building datadheet circuits, projects and gadgets.

datasbeet For one thing, the input bias would be different. From what i read, the NTE is a replacement. We can call the input resistor R1 and the resistor to ground R2 and the feedback resistor R3.

It operates on the difference in input current rather than the difference in input voltages.

National Semiconductor

Welcome to our site! That’s what a specific timer of mine does. It’s very different than the LM This site uses cookies to help personalise content, tailor your experience and datasyeet keep you logged in if you register. Redesigning them for other op amps probably wouldnt be much of a problem really.

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The Q of each bandpass would be a little higher though so you’d have to try it and modify the values slightly if it doesnt seem to work the way you want it to. From the LM data sheet it looks like the three amps with two caps each are just bandpass filters. Replacing a 4 pin leaded inductor with a 2 pin Started by gkmaia Yesterday at Back in the 80’s i did.

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To participate you need to register. The circuit uses a single polarity supply so grounding the non-inverting input of the opamps would cause their outputs to be grounded and they would work like rectifiers. Maybe this was a very old design.

Thus you could look for the presence of line to speaker levels very easily and even filter the hiss. One of the cool things about the LM is that the input voltage can exceed the supply rails without a lot of fancy stuff. Hi, I’d be careful about using an AD for a replacement.

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Is an LM a good replacement for an LM? I couldn’t locate one of the latter so relayed my circuit to use an LM instead, well it doesn’t work, i checked my output from the first stage and it sits at 10V although the input is a 4V p-p sine wave from my generator, i am building the circuit here: I am surprised to see them in circuits today. Potentiometer Questions Started by norbss Yesterday at This may not be the ideal setup, but it might still work.

LM Datasheet(PDF) – Motorola, Inc

Thread starter Neil Groves Start date Nov 7, It would be possible however to change the design a little to use a more typical op amp. Datasheets, Manuals or Parts. The LM is a high speed version. The non-inverting inputs should connect to half the supply voltage filtered with a capacitor to ground.

Roff Well-Known Member Nov 8, Dataaheet LM is not a normal Dafasheet amp. Hi again, Yeah i remember these from back in the ‘s.

It can not be replaced with a LM op amp.