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Posts tagged Electret Microphone Preamplifier

Microphone Circuit with tone control

Microphone Circuit with tone control using TL072

Circuit and Making Schema Alarm LED – speaker – remote – radio – for Car

I decided to build a compact, yet effective alarm. My demands were:- simple construction, reliable operation, very small power consumption, and, most of all, small size. I started with CMOS logic gates, but was soon forced to abandon the concept after a few unsuccessful attempts. Then I suddenly realized that a simple transistor switch might […]

where can I get circuit diagram of color tv model videocon bazooka ?

abhay_akulkarni asked: I want circuit diagram of color tv videocon bazooka. Also some tips to trouble shoot tv problems. where can I get it?

Headphone amplifier ic

Headphone amplifier ic circuit using TL072, BD139, BD140

Booster Audio mixer circuit diagram

  Booster Audio mixer circuit diagram using KA22242 DUAL EQUALIZER PRE-AMPLIFIER WITH ALC The KA22242 is a monolithic integrated circuit consist-ing of a dual equalizer amplifier with ALC and Mute function, and it is suitable for stereo radio cassette tape recorders. APPLICATION INFORMATION DESCRIPTION OF KA22242 The KA22242 has a simple package, 10-pin and built-in […]

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