LM386 AF Amplifier
Download
1 / 10

LM386 AF Amplifier Project - PowerPoint PPT Presentation


  • 291 Views
  • Updated On :
  • Presentation posted in: General

LM386 AF Amplifier Project. F&DARS January 2001. Construction Sequence. Baseboard and front panel LM386 amplifier board interconnections Power up and test. Main Layout Diagram. LM386 Board layout. LM386 Board Legend. IN = screened audio input lead connection. COMPONENTS LIST (1)

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha

Download Presentation

LM386 AF Amplifier Project

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


LM386 AF Amplifier

Project

F&DARS January 2001


Construction Sequence

  • Baseboard and front panel

  • LM386 amplifier board

  • interconnections

  • Power up and test


Main Layout Diagram


LM386 Board layout


LM386 Board Legend

IN = screened audio input lead connection


COMPONENTS LIST (1)

Resistors

RV110k Log pot

R2 10R

Capacitors

C11 microF electrolytic, 16v

C2100 nF ceramic

C310 microF electrolytic, 16v

C410 microF electrolytic, 16v

C5100 nF polyestermore...........


COMPONENTS LIST (2)

Capacitors (contd)

C6100 microF electrolytic, 16v

C71000 microF electrolytic, 16v

C8100nF polyester

Integrated Circuit

LM386 Audio Amplifier chip

Miscellaneous Items

Loudspeaker: not less than 8R, dia as avail.

Switch: single pole, on-offmore.........


COMPONENTS LIST (3)

Input socket: e.g. phono

OP Socket: e.g. min shorting jack, 3.5mm

Battery connector for PP3 type

Battery PP3

LM386 Board supports, e.g. 4 X resistors

Hook-up wire as required

Copper clad board (various sizes - see next slide)

Knob for potRubber feet (4)

Thin coax, approx 3" for input connection


COMPONENTS LIST (4)

Copper clad board suggested dimensions

Baseboard8" X 3.5" (200mm X 85mm)

Front Panel 3" X 2" (78mm X 51mm)

Side supports 2" X 2" (51mm X 51mm) - a single piece of this size cut in two diagonally

LM386 amp. board 2" X 2" (51mm X 51mm)

PCB islands 2 off, approx. 7mm square

PP3 battery holder - or d/sided sticky / zip ties


ad
  • Login