LM339 and LM324N Functions

maxsalow

maxsalow

what does the LM339 and LM324N DO?

flux

I wasn’t able to extract the exact “General Description” text from the LM339 or LM324 datasheets via the available links. Could you please share a working PDF or another datasheet URL for each part so I can pull their official functional descriptions directly from the source?
Share LM339 datasheet
Share LM324 datasheet
Attach both PDFs
Alternate LM324 URL
Combined extraction
Ohm meter read
cdl98761

cdl98761

Ohm meter read
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10
Square wave output probe
cdl98761

cdl98761

+/- 5v square wave
3y
cdl98761

cdl98761

Square wave output probe
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7
Square wave amplification and offset
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cdl98761

Square wave amplification and offset
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8
Positive side of voltage rail
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cdl98761

Positive side of voltage rail
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1
Voltmeter reference points going through difference amplifier
cdl98761

cdl98761

Voltmeter reference points going through difference amplifier
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4
I am probably gonna scrape this and make a new one
cdl98761

cdl98761

I am probably gonna scrape this and make a new one
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11
Sinewave Output (Inverting OpAmp side)
dawson

dawson

Sinewave Output (Inverting OpAmp side)
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12
Dc Reference output
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cdl98761

Dc Reference output
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9
Rail splitter
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Rail splitter
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3
Negative side of voltage rail
cdl98761

cdl98761

Negative side of voltage rail
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2
please explain what R4 does.

melli32529

@copilot please explain what R4 does.
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14
Voltmeter compare and output
cdl98761

cdl98761

Voltmeter compare and output
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5
MCP4231
U1
MCP4231
R11
Resistance
1000 Ω
R4
Resistance
10 Ω
R9
Resistance
2000 Ω
R5
Resistance
27000 Ω
R13
Resistance
1000 Ω
R16
Resistance
2000 Ω
R14
Resistance
6500 Ω
R3
Resistance
5500 Ω
R6
Resistance
110 Ω
R18
Resistance
9000 Ω
R12
Resistance
1000 Ω
R1
Resistance
10 Ω
R15
Resistance
10000 Ω
R7
Resistance
3100 Ω
R19
Resistance
1 000 Ω
R10
Resistance
1000 Ω
R8
Resistance
1000 Ω
R2
Resistance
4700 Ω
Voltmeter in
Q1
C1
Capacitance
Capacitance
LM339
TL071
Q2
Ohm meter read
D1
V2
DC Reference out / Sine output
R20
Square wave out
D2
LM324N
C2
Capacitance
Capacitance
Raspberry pi 4

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Documents

    Documents are markdown text files which describe project goals, capture details, or even simulation outputs.

    Assets

    2023-03-29_14-20-28.lib

    2023-03-29_14-20-28
    kicad_mod

    MCP4231-103E&slash_P.kicad_mod

    MCP4231-103E&slash_PFootprint
    Final_Design thumbnail
    Design Project, This design contains a +/- 5v square wave, an ohm meter, a voltmeter, a dc reference and a rail splitter.

    Properties

    Properties describe core aspects of the project.

    Pricing & Availability

    Distributor

    Qty 1

    Digi-Key

    $4.31–$5.25

    LCSC

    $2.76–$4.24

    Mouser

    $4.22–$4.52

    Controls