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Archives for February, 2010

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

Circuit diagram 60W AF Amplifier With STK-0060II

Circuit diagram 60W AF Amplifier With STK-0060II This is a high power amplifier based on single Sanyo integrated circuit STK-0060II.

i want the aural modulator circuits available all over the world?

bhavin.kotak asked: aural modulator is used in tv transmitter section…i want its circuit diagram or block diagram or pin diagram….present and used all over the world… i m living in india….but i want the ckt diagram of aural modulator used all over the world in the tv transmitter section… i want all the data available […]

Simple Audio Circuit

Simple Audio Circuit using LM386

sound design equipment

sound design equipment Mixer 10 Chanels for Shure Microphone systems sound design equipment Part R1,2,9                 2K2 R3,10                 47K R4,20,21,22             22K R5,111                 4K7 R6,8,12,13,14,16,17,18,19    10K R7                 100 Ohm R15                 68K POT 1,2,3,4,6    […]

TDA1521A stereo audio amplifier circuit

TDA1521A stereo audio amplifier circuit TDA1521A stereo audio amplifier circuit which will deliver 15W audio power output on each channel. TDA1521A stereo audio amplifier circuit is a dual hi-fi audio power amplifier encapsulated.

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