skema-elektronik.blogspot.com
Running LED « Electronic Schematic Diagram
http://skema-elektronik.blogspot.com/2009/06/running-led.html
The collection of electronic circuit - schematics. Power supply, audio, microcontroller, digital circuits, analog circuits and more. Sunday, June 28, 2009. This is the running LED circuit diagram. The LED will "running" (on) one by one. You can use this circuit for many purpose like motorcycle lamp, running character and much more. Here the schematic diagram. With IC timer 555:. And use this circuit use NAND logic:. Make Your Own Printed Circuit Boards. Make a PCB in very easy steps! 500W Inverter 12V DC...
skema-elektronik.blogspot.com
Gold Detector Schematic « Electronic Schematic Diagram
http://skema-elektronik.blogspot.com/2012/04/gold-detector-schematic.html
The collection of electronic circuit - schematics. Power supply, audio, microcontroller, digital circuits, analog circuits and more. Friday, April 20, 2012. Here the very simple and easy build gold detector circuit. The circuit capable to sense gold or metal or coins from a distance of about 20cm, depending on the size of the object to detect. When the search coil is placed near a metal object, the frequency of the circuit. Will change and this will be heard from the speaker of AM radio. This is digital ...
skema-elektronik.blogspot.com
60W Power Audio Amplifier with 2N3055 « Electronic Schematic Diagram
http://skema-elektronik.blogspot.com/2009/03/60w-power-audio-amplifier-with-2n3055.html
The collection of electronic circuit - schematics. Power supply, audio, microcontroller, digital circuits, analog circuits and more. Monday, March 9, 2009. 60W Power Audio Amplifier with 2N3055. Is simple and inexpensive:. This is a class B amplifier, this means, that a current must flow through the end transistors, even if there is no signal on the input. This current can be regulated with the 500Ω trimmer resistor. As this current incrases, the sound of the amplifier. Make a PCB in very easy steps!
skema-elektronik.blogspot.com
Simple fire alarm circuit using IC timer NE555 « Electronic Schematic Diagram
http://skema-elektronik.blogspot.com/2009/01/simple-fire-alarm-circuit-using-ic.html
The collection of electronic circuit - schematics. Power supply, audio, microcontroller, digital circuits, analog circuits and more. Friday, January 9, 2009. Simple fire alarm circuit using IC timer NE555. Here the simple file alarm circuit. Based timer ID NE555. The works is simple, the lamp give light to the LDR (Light Depending Resistor) as light sensor. When the light from the lamp covered with smoke then the LDR will change its resistance value and then activated the alarm. Create your PCB design us...
radiofrequencyamplifier.blogspot.com
Radio Frequency Amplifier: August 2011
http://radiofrequencyamplifier.blogspot.com/2011_08_01_archive.html
RF amplifier circuit design RF amplifier device review and guide. Wednesday, August 31, 2011. RF Amplifier VHF FM 87.5- 108 MHz based MOSFET BLF245. This is the RF amplifier for VHF/FM range frequency of 87.5- 108 MHz. The circuit built using power transistor MOSFET BLF245. The achievement of this 30W RF amplifier. C1,C4 = 47nF50v. C2,C8 = 4,7uF63v. C3,C5 = 22nF50v. C6,C7 = 1nF50v. C10,C15 = 2,2nF. C12,C18 = 82pF. C14 = 8,2pF. D1,D2 = ZENER 3,9v. L1 = 2,4uH. L3,L4,L5 = STRIP-LINE. R1,R3 = 5,6 Ohms. The g...
skema-elektronik.blogspot.com
500W Inverter 12V DC to 220V AC « Electronic Schematic Diagram
http://skema-elektronik.blogspot.com/2009/03/500w-inverter-12v-dc-to-220v-ac.html
The collection of electronic circuit - schematics. Power supply, audio, microcontroller, digital circuits, analog circuits and more. Sunday, March 15, 2009. 500W Inverter 12V DC to 220V AC. This is inexpensive inverter circuit. Which able to convert 12V DC become 220V AC. IC CD4047 is use to generate the square wave of 50hz and amplify the current and then amplify the voltage by using the step transformer. How to calculate transformer rating. Make Your Own Printed Circuit Boards. Hi i just want to simula...
skema-elektronik.blogspot.com
500 Watt Power Inverter « Electronic Schematic Diagram
http://skema-elektronik.blogspot.com/2009/05/500-watt-power-inverter.html
The collection of electronic circuit - schematics. Power supply, audio, microcontroller, digital circuits, analog circuits and more. Friday, May 1, 2009. 500 Watt Power Inverter. Here the 500 Watt power inverter schematic diagram. Designed by: Syed Ashad Mustafa Younus. Revised by: Ronnie B. Tabanao. To get bigger size of schematic diagram and then save the image. or download the circuit. Make Your Own Printed Circuit Boards. Make a PCB in very easy steps! Watch this video detailed steps:. I only have he...
radiofrequencyamplifier.blogspot.com
Radio Frequency Amplifier: 500W 27Mhz RF Amplifier Circuit
http://radiofrequencyamplifier.blogspot.com/2011/06/500w-27mhz-rf-amplifier-circuit.html
RF amplifier circuit design RF amplifier device review and guide. Wednesday, June 22, 2011. 500W 27Mhz RF Amplifier Circuit. The following circuit is the 500W 27Mhz RF Amplifier circuit. The circuit build based MOSFET APT ARF448A, will give you very high gain for signal with frequency of 27MHz. C1,C3 = 75-380 pF mica trimmer, ARCO 465. C4-C8 = .01 uF 1 kV disc ceramic. C9,C10 = .1 uF 500V disc ceramic. L1 = 6 uH. 25t #24 ga.enam. 0.5" dia. L2 = 210 nH. 4t #8 ga. .75" id, 1" long. Q1 = APT ARF448A. The ba...
radiofrequencyamplifier.blogspot.com
Radio Frequency Amplifier: June 2014
http://radiofrequencyamplifier.blogspot.com/2014_06_01_archive.html
RF amplifier circuit design RF amplifier device review and guide. Saturday, June 21, 2014. 1296 MHz RF Amplifier using NEC70083. Here the Radio Frequency (RF) amplifier circuit design for frequency 1296 MHz. By using an NEC70083, this 1296-MHz amplifier delivers about 17-dB gain and around 1- to 1.5-dB noise. It is assembled on a G-10 epoxy fiberglass PC board. Use the layout shown because this is very important for correct performance. RF Amplifier Labels: RF Amplifier Circuit. Monday, June 16, 2014.
radiofrequencyamplifier.blogspot.com
Radio Frequency Amplifier: January 2012
http://radiofrequencyamplifier.blogspot.com/2012_01_01_archive.html
RF amplifier circuit design RF amplifier device review and guide. Tuesday, January 31, 2012. 10W Linear RF Amplifier Circuit. This is the 10W linear RF amplifier circuit whish use 2SC2078 as the main component to power up the input signal. The circuit actually can delivers output signal up to 15W. RF Amplifier Labels: RF Amplifier Circuit. Monday, January 23, 2012. VHF RF Preamp 100-175 MHz with MAX2633. RF Amplifier Labels: RF Preamplifier. Tuesday, January 17, 2012. RF Amplifier Labels: MOSFET RF Ampli...