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LEVEL METER DRIVER

7 DOT LEVEL METER DRIVER Audio circuit using KA2288 7 DOT LEVEL METER DRIVER circuit using KA2288 The KA2288 is a monolithic integrated circuit consisting of 7-dot LED level meter drives.  KA2288 employs a low noise comparator which provides 10dB lower noise in the LW, MW band than the previously mentioned LED drivers. FEATURES LED […]

Transformerless Power Supply circuit diagram

Transformerless Power Supply circuit diagram 240VAC to 5V DC Power Supply using 7805 18V 1A Power Supply using LM350T, LM7818 2 Way To Build A Negative Bias Supply +5v Power Supply using 7805, LP3872ES Variable Dual Lab Power Supply 2 This low noise audio power supply circuit can reduces noise and ripple voltage by 40dB […]

stk audio ic 60W

stk audio ic 60W 60W AF Amplifier With STK-0060II circuit diagram

Mini Amplifier

Mini Amplifier Audio circuit using LA4422 Mini Amplifier Audio circuit using LA4422 Mini Amplifier R 1,2 …… 10K R 3 …….. 2K2 VR 1 ……. 50K VR 2,3 ….. 100K C 1 …….. 22 nF C 2 …….. 10 nF C 3,8 …… 100 nF C 4 …….. 22 nf C 5,6 …… 100 uF […]

Low Active crossover frequency using TL072

low Active crossover frequency Active crossover using TL072

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