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Archives for April, 2010

Stereo Audio Preamp schematic

Stereo Audio Preamp schematic using KA1222 Stereo Audio Preamp schematic using KA1222

Sound System Guide

Sound System Guide Schematic Audio Mobil Honda CRV IVA W202 PXA H701 Eton EC300.2 Sound System Guide norton stereo Sound System Guide

Power Amplifier

Audio Power Amplifier using LM3886 Audio Power Amplifier using LM3886

PreAmplifier circuit diagram using BC546, BC556

PreAmplifier circuit diagram using BC546, BC556 Preamplifier parts: P1 10K Linear Potentiometer P2 10K Log. Potentiometer R1,R2 68K 1/4W R3 680K 1/4W R4 220K 1/4W R5 33K 1/4W R6 2K2 1/4W R7 5K6 1/4W R8,R18 330R 1/4W R9 47K 1/4W R10 18K 1/4W R11 4K7 1/4W R12 1K 1/4W R13 1K5 1/4W R14,R15,R16 100K 1/4W […]

Circuit diagram LM1881 video sync for tv and lcd monitor separator, a 74HC4066 as a simple analog switch

The chips include an ATmega88 as the main controller, an AD9280 ADC, an LM6134 high-speed quad op-amp, an LM1881 video sync separator, a 74HC4066 as a simple analog switch, and an RS-232-level converter. LM1881 Video sync separator extracts timing information including composite and vertical sync, burst/back porch timing, and odd/even field information from standard negative […]

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