Showing posts with label w. Show all posts
Showing posts with label w. Show all posts
Sunday, January 12, 2014
Inverter 12V to 115V with 25 W power output
Low power inverter schematic are only use 9 components , one of which IC 556 , TIP120 NPN Darlington transistor.And turns 10 to 16 Vdc into 60 HZ, output 115 V square-wave power to operate ac equipment up to 25 W. In the circuit first ic originally hires as a timer chip m for stabilizatiom oscilator with components R1 and C1 setting frequency oscilator. Then the two transistor driver, drive the transformer push-pull fashion, When one transistor is biased on , the other circuit cut-off . The transformer is a 120V/18Vct unit that is connected backwards, so that it steps the voltage up rather than down. Oscilator circuit operates from about 4 to 16 V for stable output.
Part List :
R1 = 1K
R2 = 12K
R3 = 1K
R4 = 1/4W
C1 = 1uF
IC = 556
Q1 = TIP120
Q2 = TIP120
T1 = 120V 18VCT
Tuesday, November 19, 2013
Power Amplifier Circuit 2 x 20 W stereo with IC AN7156N
This circuit operate with IC AN7156N . You just can use this IC , because havnt similarity it. In this Circuit have 2 input IN R and IN L and have Output R and L . Voltage supply require 15 V , minimum voltage 9 V and maximum voltage 24V . And the voltage must DC voltage , and better the DC voltage filtering .
Maximum Output for 1 speaker 25 W , so this circuit have maximum output 2 X 25 W with minimum impedance 4 ohm. See this circuit schematic below :
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| Click image to view enlarge |
Tuesday, November 12, 2013
1 W mini audio amplifier circuit
In this circuit requires only three components , namely IC TDA7052 , and 2 capacitor electrolyte. Actually , only with IC we are able to run this amplifier , but the sound less than the maximum. This amplifier circuit requires a minimum voltage of 3 volts and 15 volts maximum. Was 1 Watt power output with 4 Ohm impedance. See this circuit below :
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| Just IC and 3 components we can make the circuit above. |
Monday, November 11, 2013
1 W low power audio amplifier circuit
This circuit based on IC TDA7233 or you can use IC TDA7233D . Minimum supply voltage 1,8 volts and aximum voltage 15 volts. Power Output 1 Watt with 1 Ohm impedance. This circuit include mute switch, which allows you to the mute sound completely.
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Friday, September 20, 2013
Car Amplifier Circuit 2 x 30 W stereo
This circuit use the IC AN7166 . On circuit have an advantage is very loud sound , although only 30W this circuit is like a 100 W transistor power amplifier. Its so good circuit with IC AN7166 . This circuit require minimum voltage 12 V and Maximum voltage 24 volt , I recomended voltage for this circuit is 18 volt. And use the battery supply current 5 Ampere. Maximum power output of one speaker 30 W with impedance 4 Ohm.
See this circuit schematic below :
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| Click image to view large |
Capacitor thats connect legs IC 4 and 3 is 1 nF . And capacitor thats connect legs IC 9 and 3 is 1 nF. For the input capacitor at 1 uF ( L and R ) for output capacitor at 1000uF with voltage 50 V or higher.
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