TDA2030 audio power amplifier

TDA2030 is an audio power amplifier circuit produced by Telefunken, which adopts a V-shaped 5-pin single in-line plastic packaging struct

The core part of the circuit consists of a DC tone control IC, an NPN transistor and four resistors. The other components are peripheral components required by the DC tone

If an "audiophile" is a group of people who are never satisfied with the sound and "loved the new and the old" with the audio equipment. So how far can we just rely on these

SAMSUNG Samsung S7 active Smartphone - Auntie's Debut

A few days ago I changed my new mobile phone, which is Samsung's s7 active.

Why do you want to change your phone? The reason is very simple. The original is broken. . . Samsung's note3 was previously used as an antique, but it has been used for a lon