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Posts tagged एफएम

Making 15W FM RF Amplifier using 2SC253

This is a FM RF amplifier which build based on RF Power Transistor 2SC2539. 2SC2539 is a silicon NPN epitaxial planar type transistor designed for RF power amplifiers in VHF band mobile radio applications. L1: 2T Coil diameter:4mm L2: in series 6pcs Toroidal ring L3: 4T Coil diameter:10mm L1: 3T Coil diameter:10mm

Amplifier system

Amplifier system for audio players using BA3870 Amplifier system for audio players using BA3870

Phono preamp circuit

Good Phono preamp circuit using BD437, BD438

Touch switch circuit using Relay

ON off Touch switch circuit using 12v Relay R1 ……………. 220K R2 ……………. 47K R3 ……………. 4,7K R4 ……………. 10 M FET …………… 2N3819 TR1 …………… FCS9012 TR2 …………… FCS9013 Relay …………. DC – 12V

Energy Meter circuit

Energy Meter circuit using ADE7756AN, PIC6F62BA, LM2940CT-5, 1N4004, STP30NE06L

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