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Sprint-Layout 6 |
LM386n_alc_pre_1
Audio amplfifier with LM386m
ALC, Automatic Level ControlPre amplifier for low signal level
Optional to add and S meter
For any concern
Please visit my FB group
https://www.facebook.com/groups/instrumentoscaseros
https://www.facebook.com/groups/QrpCuba
or use my email
wj6c@arrl.net
Note:
Updated 11/09/04
I have found a mistake in R6.
You have to add Vcc to R6, in the pcb Vcc is direct to the led and it can destroy the led.
I am sorry for that.
LM386n_alc_pre_1
Project images are for reference only. Actual production is based on the manufacturing files on the project page.
Please review the designer's notes (e.g., PCB thickness) and select the appropriate options.
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for issues caused by unsuitable parameter selections.
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