Tuesday, July 26, 2011
Audio Mixer Circuit
Circuit elements:
R1, R2, R3 3 1K 1/4W Resistor
R4, R5, R6 3 10K Logarithmic Pot
R7 1 1Meg 1/4W Resistor
R8, R10 2 10K 1/4W Resistor
R9, R11 2 100K Linear Pot
C1, C2, C5, C6 4 0.1uF Ceramic Disc Capacitor
C3, C4 2 22nF Ceramic Disc Capacitor
U1, U2 2 741 Op Amp
J1, J2, J3 3 Input Jacks Of Your Choice
MISC 1 Board, Wire, Knobs, IC Sockets
R1, R2, R3 3 1K 1/4W Resistor
R4, R5, R6 3 10K Logarithmic Pot
R7 1 1Meg 1/4W Resistor
R8, R10 2 10K 1/4W Resistor
R9, R11 2 100K Linear Pot
C1, C2, C5, C6 4 0.1uF Ceramic Disc Capacitor
C3, C4 2 22nF Ceramic Disc Capacitor
U1, U2 2 741 Op Amp
J1, J2, J3 3 Input Jacks Of Your Choice
MISC 1 Board, Wire, Knobs, IC Sockets
Monday, July 25, 2011
Step down DC power supply transformer less
Circuit elements:
Capacitor C1 470 uF .. Voltage 25 volts
Capacitor C2 470 nF .. Voltage 400 V
12-volt diode Wyzner .. Or no effort to choose
Diode Bridge Rectifier 1 Amp 300 v
Important notes ..
- Be careful with such a circuit because it is directly related with the source
- Stream of this department within the 100 mg volts .. And can be increased to increase capacitance C2
Build 40 Amp 13.8 Volt Power Supply
There are some electronic applications that may need to run a relatively high current circuits such as wireless transmission .. Or can even take advantage of this simple circuit to operate Ka-acid battery charger for small.
Specifications circuit
Input voltage 220/110 volts .. By type of converter
Output voltage 13.8 volts
Output current 40 amp
Simple regulated power supply circuit 12 volts
Electronic circuit description:
This circuit is simpler and better nutrition departments of the Organization of the ongoing effort .. For this it is very common ..
In addition to the simplicity of installation .. Is also composed of elements of a cheap and available
Specifications circuit
Source of nutrition 220 volts or 110 by the converter
Output voltage: 12 volt constant voltage regulator
Output current: 1 amp
Integrated circuit containing the internal protection of minors
Sunday, July 24, 2011
Simple power supply 5 volt
This circuit is simpler and better nutrition departments of the Organization of the ongoing effort .. For this it is very common ..
In addition to the simplicity of installation .. Is also composed of elements of a cheap and available
Specifications circuit
Source of nutrition 220 volts or 110 by the converter
Output voltage: 5 V constant voltage regulator
Output current: 1 amp
Integrated circuit containing the internal protection of minors
Portable amplifier 20 watt circuit
Electronic circuit description:
In the vital tourism in buses, schools and the need for a larger unit (amplifier) with appropriate capacity
To run a set of speakers or the subwoofer to be distributed in the area of the bus interior through which radio instructions or descriptions things trip and described the scenes tourism
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