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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.

20W HiFi Power Amplifier Using TDA2040 circuit diagram

20W HiFi Power Amplifier Using TDA2040 circuit diagram This is a Hi-Fi power amplifier circuit build based on single power amplifier IC TDA2040. The single TDA2040 has able to deliver 20W power output. The bridge amplifier which consist of double TDA2040 can deliver 30W power output (8 ohm loudspeaker). 20W HiFi Power Amplifier Using TDA2040 […]

Mobile phone ipod battery charger circuit

Mobile phone ipod battery charger circuit

Rimu PCB 1.07 PCB Designer

Rimu PCB 1.07 PCB Designer is a cost effective, easy to use electronic printed circuit board PCB layout application. Download:

Infra red switch circuit

Infra red switch circuit using 555

Make preamp circuit for Guitar using TL074

Make preamp circuit for Guitar using TL074 Make preamp circuit for Guitar using TL074

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