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Posts tagged tuner

Electronic Circuit Diagram TV Tuner Reciver uhf, vhf, vl, if Out

TV Tuner Reciver uhf, vhf Electronic Circuit Diagram TV Tuner Reciver uhf, vhf, vl, if Out

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, […]

Audio Amplifier Projects to Control the Speaker output Relay

This is a simple circuit which I built to one of my audio amplifier projects to control the speaker output relay. The purpose of this circuit is to control the relay which turns on the speaker output relay in the audio amplifier. The idea of the circuit is wait around 5 seconds ofter the power […]

Lights & LED Circuits & Schematics LDR

An ordinary automatic room power control circuit has only one light sensor. The circuit uses two LDRs which are placed one after another (separated by a distance of say half a metre) so that they may separately sense a person going into the room or coming out of the room. Outputs of the two LDR […]

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 […]

TDA7088T FM receiver circuit

TDA7088T FM receiver circuit for battery supply Equipped with all stages of a mono receiver from antenna to audio output, Mute circuit, Search tuning with a single varicap diode. Mechanical tuning with integrating AFC, AM application supported,  Power supply polarity protection,  Power supply voltage down to 1.8 V.  Mechanical tuning, this is possible with or […]

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