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Posts tagged preamp

Hi-Fi DX Bass circuit using BF197

Hi-Fi DX Bass circuit using BF197

Tone Control Circuit

Tone Control Circuit using IC LF353, TL072, TL082 Tone Control Circuit +Vcc 0 -Vcc R1 56 kΩ         C1 22 µF 35V R2 10  kΩ        C2 47 nF R3 10 kΩ         C3 47 nF R4 10  kΩ        C4 1 nF R5 10 kΩ         C5 100 nF R6 330 kΩ       C6 […]

Amplifiers Audio using LA4505

Amplifiers Audio using LA4505

NOISE REDUCTION PROCESSOR circuit

NOISE REDUCTION PROCESSOR circuit DOLBY B-TYPE NOISE REDUCTION PROCESSOR KA2271 DOLBY B-TYPE NOISE REDUCTION PROCESSOR KA2271 The KA2271 is a monolithic integrated circuit designed for use in Dolby* B-type reduction systems. FEATURES Few external components Low quiescent circuit current (Typ Iccq=4.3mA) High crosstalk rejection ratio. Built-in NR-switch, REC/PB-switch. Recommended supply voltage: Vcc=8V~16V.

quality power

quality power quality power using KA2209 quality power quality power

Electronic circuit to fill the IC EEPROM MEMORY

Electronic circuit to fill the IC EEPROM MEMORY Based on its memory capacity is usually written with a number 24CXX, For XX is its capacity in Kbit. Example: 24C08 means its capacity 8 kilobits. In many stores that sell the number 24C01, 24C02, 24C04, 24C08, 24C16, 24c32 which sold in its data store is empty. […]

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