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Posts tagged Passive active infrared sensor

Alarm sensor circuit

Simple Alarm sensor circuit diagram using BC557

Electronic Design using PCB Artist Layout Software 1.2.4

Electronic Design using PCB Artist Layout Software 1.2.4 Electronic Design – PCB Artist Layout Software 1.2.4 is a publisher of electronic circuits. Supports the design manual of each component and connection.  However, it is easier to exploit the huge library of chips, diodes, resistors, transistors, capacitors. The interface is easily managed with simple designs to […]

3V FM AM TUNER SYSTEM

3V FM IF AM TUNER SYSTEM using KA2248 3V FM IF AM TUNER SYSTEM The KA2248 is a monolithic integrated circuit developed the for headphone stereo. FUNCTIONS AM SECTION: Converter, IF amplifier, Detector, Tuning indicator FM SECTION:  IF amplfier, Quadrature detector, Tuning indicator FEATURES Low quiescent current: AM: Iccq= 3mA, Vcc= 3V FM: Iccq= 8mA, […]

Electronic Circuit Diagram driver bridge pre power Amp 20Hez with 2SC1469

Electronic Circuit Diagram driver bridge pre power Amp 20Hez with 2SC1469

Circuit Diagram Radio Stereo Coder Multplexer Part 1

Circuit Diagram Stereo Coder Multplexer Multiplexer consists of 4 TTL ICs and transistors. A 7600-kHz crystal oscillator built with the 3-NAND The IC’s 2 and 3 of type SN7490. Now think of 76 kHz signal as a divider of two Werken. Either 38 kHz signal and the output Q Qnot decreased. Transistors T1 and T2 […]

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