partselectronic.blogspot.com
Electronic Parts and Schematic Diagram: April 2009
http://partselectronic.blogspot.com/2009_04_01_archive.html
Electronic Parts and Schematic Diagram. Monday, April 20, 2009. 12 Volt 30 Amp Power Supply. Download this schematic diagram. Download list datasheet semiconductor parts. (PDF Format). Using a single 7812 IC voltage regulator and multiple outboard pass transistors, this power supply can deliver output load currents of up to 30 amps. The design is shown below:. For detail, pleace click here. Diposkan oleh Dedi - BLOG. 0 - 300V Adjustable Power Supply. I strongly recommend to include it! Instead of a BUZ 3...
audio-circuits.blogspot.com
Simple Pre-Amp with One Transistor « Audio Circuit
http://audio-circuits.blogspot.com/2012/05/simple-pre-amp-with-one-transistor.html
Audio Circuit Diagram: Amplifier circuits, pre-amp circuits, tone control, graphic equalizer, mixer, echo chamber and more. Thursday, May 24, 2012. Simple Pre-Amp with One Transistor. This is a very simple pre-amp circuit which use a transistor as a active component to boost the input signal. Its simplicity makes this circuit easy to built and inexpensive. The microphone used in this circuit is electret type which is very sensitive detecting the sound around its. It require 3-9V DC power supply. While th...
radiofrequencyamplifier.blogspot.com
Radio Frequency Amplifier: August 2011
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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...
radiofrequencyamplifier.blogspot.com
Radio Frequency Amplifier: February 2012
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RF amplifier circuit design RF amplifier device review and guide. Thursday, February 23, 2012. 40M Band RF Preamp with 3 Tuned Filters. This is the schematic diagram of 40M band RF preamp with 3 tuned filters. Above image is an experimenters 40 Meter band front end for CW. This has a double-tuned filter and a low gain, lower noise RF amplifier. This is a great circuit for isolation of a product detector or mixer in a popcorn receiver. RF Amplifier Labels: RF Preamplifier. Sunday, February 19, 2012. This ...
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
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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
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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...
radiofrequencyamplifier.blogspot.com
Radio Frequency Amplifier: 10W Linear RF Amplifier Circuit
http://radiofrequencyamplifier.blogspot.com/2012/01/10w-linear-rf-amplifier-circuit.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. And antenna. This is a requirement for ALL transmitters. More explanation about this 10W linear RF amplifier circuit, visit this page. An RF power amplifier is a type of electronic amplifier which is utilised t...
radiofrequencyamplifier.blogspot.com
Radio Frequency Amplifier: November 2011
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RF amplifier circuit design RF amplifier device review and guide. Wednesday, November 23, 2011. 40W Wideband RF Power Amplifier 88 - 108 MHz based MRF171A. This is the circuit diagram of 40W wideband RF power amplifier 88 - 108 MHz build based MOSFET MRF171A. The purpose of this circuit is to boost the output power of low power FM broadcast band exciters, a number of these are available commercially, both as kits and ready made. RF Amplifier Labels: MOSFET RF Amplifier. Wednesday, November 9, 2011. All S...
radiofrequencyamplifier.blogspot.com
Radio Frequency Amplifier: October 2011
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RF amplifier circuit design RF amplifier device review and guide. Wednesday, October 26, 2011. RF Amplifier Circuit 10MHz - 500MHz based BFR540. This is a RF amplifier circuit for 10Mhz - 500Mhz input signal. The RF amplifier. RF Amplifier Labels: RF Amplifier Circuit. Saturday, October 22, 2011. 25W RF Amplifier Circuit 88-108Mhz. 25W RF amplifier circuit diagram. The circuit is used for 88-108Mhz FM Transmitter. This RF amplifier. Use power transistor BLY88C for the final signal amplifier. The followin...