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Archives for October, 2010

Broadband peak detector circuit

Broadband peak detector circuit using LM393

ac power supply for tv and pc

ac power supply schema for tv and pc ac power supply circuit for tv and pc

18W Audio Amplifier

18W Audio Amplifier using IC LA4440 18W Audio Amplifier using IC LA4440

servo pre amp circuit using KA9257

servo pre amp circuit using KA9257 DUAL POWER OPERATIONAL AMPLIFIER The KA9257 is a monolithic integrated circuit consisting low noise amplifiers and regulated power supply for car stereos. FEATURES suitable for car stereos. Low noise amplifier. Voltage regulator included. Good ripple rejection. High channel separation (65dBTyp). Minimum number of externalparts required.

Tape – Radio – Mic – audio input Amplifier

Tape – Radio – Mic – audio input Amplifier circuit using KA2220 Tape – Radio – Mic Audio input Amplifier circuit using KA2220

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