Showing posts with label diagram. Show all posts
Showing posts with label diagram. Show all posts
Friday, March 27, 2015
Simple Melody Generator Circuit Diagram
This is so impotent circuit for you all.On the other hand this is so important circuit for beginners.Here I have used IC UM66 You can get various musics when you buy UM66 with different numbers.
Note:
# Dont supply more than 3V
# Build this circuit on a pcb
Tuesday, March 24, 2015
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Monday, March 23, 2015
Schematic Diagram Subwoofer Amplifierwiring Diagram
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How to Make a Simple DC to DC Voltage Doubler Circuit Diagram Using IC 4049
The following circuit can be used for doubling any DC source voltage (up to 15 V DC). The presented design will double any voltage between 4 to 15 V DC and will be able to operate loads at current not more then 30 mA.
As can be seen in the diagram, this DC voltage doubler circuit employs just a single IC 4093 for achieving the proposed result.The IC 4093 has six gates in all which are all effectively for generating the discussed voltage doubling actions.
Two of the gates out of the six are configured as an oscillator. The extreme left of the diagram shows the oscillator section.
The 100 K resistor and the 0.01 capacitor form the basic frequency determining components.
A frequency is imperatively required if a voltage stepping actions needs to be implemented, therefore here too the involvement of an oscillator becomes necessary.
These oscillation become useful for initialing the charging and discharging a set of capacitors at the output which amounts to the multiplying of the voltage across the set of capacitors in a such a way that the result becomes twice the applied supply voltage.
However the voltage from the oscillator cannot be preferably applied directly to the capacitors, rather its done through a group of gates of the IC arranged in a parallel way.
These parallel gates together produce a good buffering to the applied frequency from the generator gates so that the resultant frequency is stronger with respect to current and does not falter with relatively higher loads at the outputs.
But still keeping the specifications of a CMOS IC in mind the output current handling capacity cannot be expected to be larger than 40 mA.
Higher loads than this will result in the deterioration of the voltage level toward the supply level.
The output capacitor values can be increased to 100uF for getting reasonably higher efficiency levels from the circuit.
With 12 volts as the supply input to the IC, an output of around 22 volts may be acquired.
Sunday, March 22, 2015
230 Volt AC To Inverter Switching Circuit Diagram
Description
Before three weeks i am introduced inverter circuit diagram but the circuit not included ac to inverter switching part so today i introducing a 230 Volt Ac to inverer switching circuit diagram .
Before three weeks i am introduced inverter circuit diagram but the circuit not included ac to inverter switching part so today i introducing a 230 Volt Ac to inverer switching circuit diagram .
Circuit showing a inverter switching . Here i have used bc 558 ,BC 548 and a relay for making this circuit . 230 volt connected to the base of the transistor Q1.When the power is ON positive volt coming to the base of the transistor so the relay circuit is open and load working in 230 V AC .When the power is OFF ground voltage coming to the base of the transistor so the Base of the Q2 is positive there for the relay circuit closed and load working in inverter input .Part list and applications are showing below. Link
Part List
| Component No: | Value | Usage |
| R1 | 100KΩ | Emitter Load |
| R2 | 10K Ω | Base Biasing |
| R3 | 180KΩ | Current Limiting |
| Q1 | BC558 | Switching |
| Q2 | BC548 | Switching |
| D1 | IN4007 | Relay Balancing |
| RL1 | 12 V | Inverter Switching |
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