This TA7222AP scheme used for audio signal amplifiers. The circuit delivers 5.8 W with power off Control. 8-12V power supply […]
Month: September 2011
Guitar Pre-amp based on an FET BF245 and BF256
Guitar preamp, based on an FET BF245 and BF256 type. Very easy to build, operate with 9 V battery. Unlikeprevious […]
Voltage Controlled Amplifier
This Voltage Controlled Amplifier circuit is simply an op amp having an additional input at pin 5. A current ILsc […]
10 Watt Transistor audio amplifier
This circuit can have a power output of 10 Watt. It simply uses ordinary transistors. The 10 w amplifier circuit […]
Guitar pre amp based FET
The circuit is called a guitar preamp, but actually not, because the gain is close to 1. However, due to […]
Power Booster based NE5535
This is the schematic diagram of power booster circuit is capable of driving medium loads. The circuit as presented works […]
Variable Gain Amplifier controlled by voltage
This is Variable Gain Amplifier controlled by voltage circuit function as video amplifier, it use 3 Field Effect Transistor (FET) […]
Active Antenna for AM/FM/SW
This simple AM/FM/SW Active Antenna circuit are able to be used for AM, FM, and Shortwave(SW). For the shortwave band, […]








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