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Posts tagged Telephones

Telephone Systems

Audio speakers circuit board from Telephones using IC BA8024, ML8204 Audio speakers systems Circuit board for Telephone Systems

Home telephone

Home telephone Home telephone Circuit using LM2575-5, 2N4400, MAC224 Home telephone Home telephone Home telephone Home telephone  Circuit using LM2575-5, 2N4400, MAC224

Stereo Preamplifier with Bass-boost circuit diagram with IC TL062

Stereo Preamplifier with Bass-boost circuit diagram Parts: P1 100K P2 10K R1,R2 15K 1/4W R3,R4,R11,R12_100K 1/4W R5,R6 22K 1/4W R7,R8 390K 1/4W R9,R10 560R 1/4W R13 220R 1/4W C1,C2 330nF 63V C3,C8 100uF 25V C4,C5 10pF 63V C6,C7 4u7 63V IC1 TL062

Alarm Car Cmos 4060 schema

Alarm Car Cmos 4060 schema The area to be monitored is connected via a cable and allows remote audio listening. You can use this in your garden and listen for any unusual sounds, or maybe just wildlife noises. If you have a car parked in a remote location, the microphone will also pick up any […]

Control input lines On off Switching circuit diagram

Control input lines On off Switching circuit diagram using 4011, 4518, 4066, BAT42, VNB8AF

5 DOT DUAL LED LEVEL METER DRIVER

5 DOT DUAL LED LEVEL METER DRIVER using KA2284 / KA2285 5 DOT DUAL LED LEVEL METER DRIVER using KA2284 / KA2285 5 DOT DUAL LED LEVEL METER DRIVER The KA2284 / KA2285 are a monolithic integrated circuits designed for 5-dot LED level meter drivers with a built-in rectifying amplifier, it is suitable for AC […]

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