Wiring Diagram Remote Control

ACTK 400/600 Watt

Two versions of a robust module capable of delivering high powwer for extended periods.  The Actrk400 uses 6 n-channel Mosfets in the output stage to deliver around 400 watts into 4 ohms while the Actrk600 uses 12 n-channel Mosfets in the output stage to deliver power in excess of 600 watts into 4 ohms.  One constructor has achieved almost 900 watts with the Actrk600 layout using 12 IRFP460 Mosfets.

Gambar Skema Rangkain Audio Amplifier 10 Watt

This schematic is a 10 watt amplifier for audio frequencies (approx. 50Hz-20kHz). The circuit is extremely simple, comprised of a total of only 18 components, 4 of which are transistors. Of the transistors used, 1 is a PNP (2N3906) , and 3 are NPN (2n697, 2 x NJ480).



Source : www.electrokits.com

This project involves constructing an energy efficient broad spectrum LED lamp system. The lamp is useful for indoor reflective room lighting. It has a broad color spectrum that more closely approximates the light of the sun when compared to fluorescent bulbs and white-only LEDs. The light level is regulated and the light that is produced does not flicker. The six differently colored LED stars, made by LedEngin, Inc., are rated at 5 watts (nominal). The LED array and associated current regulator consume 1 amp at 24VDC (24 Watts). NEVER stare directly at this lamp when it is running at full operating power, it is DANGEROUSLY BRIGHT.




With the LEDs shown, the combined color of the lamp has a pinkish white hue. The 5 Watt ratings of the LEDs are not precise, the white, blue and green LEDs consume about 4W and the lower voltage red, orange and deep red LEDs consume about 3W. The current regulator keeps the LED brightness constant and insures that the LED series string never draws more than 1 amp of current.

The project has also been coined "Bold as LED" in reference to the Jimi Hendrix song "Bold as Love" which has the lyric: "My yellow in this case is not so mellow".

Specs:

• Nominal operating power: 24 Watts (24V DC at 1 Amp)
• LED power consumption above regulation point: 18.6 Watts
• Maximum operating voltage: 28V DC
• Minimum voltage for regulated light: 23V DC
• Leds produce light down to 11V
• Deep Red LED voltage: 2.55V
• Red LED voltage: 2.37V
• Amber LED voltage: 2.60V
• Green LED voltage: 3.92V
• Blue LED voltage: 3.56V
• White LED voltage: 3.7V
• Voltage across regulator when current becomes regulated: 4.2V

Theory:
The lamp is wired as a current loop which includes the power supply, the LED series string and the 1 amp current regulator circuit. The LM317K and 1.2 ohm 5 Watt resistor act as a current regulator that limits the loop current to 1 Amp. During regulation, there will always be 1.2V across the 1.2 ohm resistor. The current regulator insures that the LEDs always run at their maximum brightness, but not so bright that they burn out. A 100uF electrolytic capacitor bypasses the DC power input to the device and a 100nF monoblock capacitor bypasses the LM317K input.

Construction:
The LEDs and current regulator circuit were mounted on a 3" x 8" chunk of 1/8" aluminum stock. The LM317K regulator and LED heat sinks were bolted to the chassis directly, heat sink grease was used on the regulator, the heat sinks and the six LEDs. Connecting the LM317K directly to the aluminum plate makes the plate electrically hot at 1.2V, the plate should not be allowed to come into contact with any live conductors. By using a few more parts, the LM317 can be mounted with an insulator and plastic shoulder washers for electrical isolation from the mounting plate.

The LEDs come mounted on their own small star-shaped aluminum substrates, these were attached to the aluminum plate using two 7/16" 4-40 screws and nuts per LED. A drop of silicone heat sink grease should be applied to the center of each LED star when it is mounted to the plate for heat conduction. It is important to use insulating plastic washers on the top side of the LED stars to prevent electrical contact with head of the screw. The LED stars were soldered together using short pieces of #20 tinned wire after being mounted on the plate. It is necessary to use a fair amount of heat to solder the contacts, a 200/240W soldering gun did the job. Be very careful not to melt the lenses on the LEDs, the LEDs cost around $10 each. The positive and negative leads of the LED series string were connected back to the current reglator circuitry using #20 wire covered with teflon insulation.

The initial mechanical arrangement did not pass the "rule of thumb" test, which says that if a semiconductor is too hot to hold your thumb on, it will not live a long life. Two large aluminum heat sinks were bolted to the back of the aluminum plate and seem to be sufficient to keep the lamp operating at a reasonable temperature. The LED array produces more heat than the LM317K.

Use:
Connect this circuit to a 24VDC power supply or other power source such as a solar-charged lead acid battery. Be sure to observe the correct polarity. Look away from the LEDs and apply power. Again, do not stare directly at the LEDs, they are bright enough to harm your vision. A switch-mode power supply rated at 24VDC and 1 Amp or more is probably the most energy-efficient way to power this device from line power.

Parts:
1x LM317K T03 case 1.5A adjustable voltage regulator
1x 1.2 ohm 5W resistor (or 2x 2.4 ohm 2W resistors in parallel)
1x 100uF 35V or higher electrolytic capacitor
1x 100nF 35V or higher monolythic capacitor
1x LedEngin LZ1-10R205 deep red 5W LED
1x LedEngin LZ1-10R105 red 5W LED
1x LedEngin LZ1-10A105 amber 5W LED
1x LedEngin LZ1-10G105 green 5W LED
1x LedEngin LZ1-10B105 blue 5W LED
1x LedEngin LZ1-10CW05 cool white 5W LED
Miscellaneous wire, solder lugs, termination strips and hardware,
Large aluminum mounting plate, heat sinks if necessary.

Switching Power Supply in this article are able to supply power 90 Watt. Switching Power Supply series is built directly from an AC network system using special IC MC33374 switching power supply in the form of High Voltage Power Switching Regulator and with external components to the other.



IC MC33374 IC is a switching power supply designed to operate with an AC voltage source and works as a power switching converter with flyback technique. Switching Power Supply Series has a 15 volt DC output with current up to 6 Ampere.

Series 90 Watt Switching Power Supply works by menyearahkan AC source is then used to activate the converter MC33374 system. The output of transformer switching converter MC33374 searahkan again later on as a DC voltage supply to be used for electronic devices.

This time, there is a series of audio amplifer 20W as well, but using IC TDA 2005 as a series of his base amplifier.
The series of 2x20 Watt Audio Power Amplifier using TDA2005 can you see in the picture below.

Performance of TDA2005M: (for this circuit); At 4.14 V supply voltage: 2 x 20 watts (stereo) into 4 Ohms.

At this time a unsophisticated MOSFET amplifier or else power Amp which Output power is plus/minus 100 Watt/RMS with 8 Ohms otherwise ohter plus/minus 160 Watts /RMS with 4 ohms.

Regarding this circuit simplicity, The distortion is plus/minus 0.1 %. In support of mob-width -3 db(decibel) is increase for 4 Hz to 96 Khz, it is narrow by C1, R1, C2 and R2. Taking part in the two transistors are T1 and T2 makes a initial differential stage part, So,current source(I) of +/- solitary mA is put with resistor R3. In favor of the upgraded project, The current source(I) is new efficient in stability. Coil P1 allows a fine tuning of dictate current voltage on amplifier’s output. Place the Coil P1 with it’s partially usefulness in favor of first power up, so therefore break it unhurriedly for a lowest DC output voltage. custom a essential quality compoment.

Electronic Part

C1 = 2,2 µF MKP, MKT 100 in opposition to

C2 = 330 pF céramique 50 V

C3 = 100 nF MKP, MKT 100 in opposition to

C4 = 100 µF 40 V électro-chimique

C5, C6 = 18 pF céramique 50 vs.

C7 = 100 nF MKP, MKT 250 V  (C8 = 47 µF 100 V)

R1, R3 = 47 K   (R3 = 330 -> 470 Ohms)

R2 = 2K2

R4, R5 = 3K9

R6 = 1 K

R7 = 27 K

R8, R9, R11 = 100 ohms

R10 = 10 K

R12, R13 = 470 ohms

R14, R15 = 0.33 ohms 5 watts

R16 = 10 ohms 3 watts      (R17 = 1 K    R18, R19 = 10K)

T1, T2, T9,T10 = 2SD756A,2SD716A, BC556B (attention au brochage différent - take be concerned representing pin arrange)

T7 = IRFP240, 2SK1530, 2SJ162, BUZ900DP, BUZ901DP (attention au brochage dissimilar - take care for pin layout : GDS GSD)P1 = 100 ohms  (25 turns - 25 turns)