LM393 Test Circuit

2 years ago 4005
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
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Description

LM393 Low Power Dual Voltage Comparators DIP-8 test circuit.

Very inexpensive and a good way to learn about OpAmps. Needs 9 volts to operate. Switch not in schema or PCB, added while building.

Zip file contains a short video of the circuit working.

Tested with DBL358, IR3F02, IR9082, IR94558, JRC4558D, NE5532, KIA393P, HA17393

enter image description here

enter image description here

Documents

LM393 Test Circuit Schema

LM393 Test Circuit PCB

BOM

ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Supplier Part Price LCSC Assembly Mounted LCSC
1 10uF C1 CAP-D3.0XF1.5 1
2 10k R1,R3,R4,R2 AXIAL-0.3 4
3 1k R6,R5 AXIAL-0.3 2
4 4k7 R7 AXIAL-0.3 1
5 1N4148 D1,D2 DO-35 2 1N4148 ST LCSC C14516
6 204-10UYC/S530-A3 LED1,LED2 LED-3MM/2.54 2 204-10UYC/S530-A3 EVERLIGHT LCSC C73643
7 LM393 U1 DIP8 1
8 Ground P1 HDR-1X1/2.54 1 Header-Male-2.54_1x1 EasyEDA LCSC C81276
9 +9 P2,P5 HDR-1X1/2.54 2 Header-Male-2.54_1x1 EasyEDA LCSC C81276
10 Pin4Ground P3 HDR-1X1/2.54 1 Header-Male-2.54_1x1 EasyEDA LCSC C81276
11 Led2 P4 HDR-1X1/2.54 1 Header-Male-2.54_1x1 EasyEDA LCSC C81276
12 Pin7Out P6 HDR-1X1/2.54 1 Header-Male-2.54_1x1 EasyEDA LCSC C81276

Attachments

Filename Download
LM393_tester.avi.zip

Members

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