oscillator - Circuitos electrónicos


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oscillator


Wien Bridge oscillator by Andrew R. MorrisWien Bridge oscillator by Andrew R. Morris

Wien Bridge Oscillator Circuit designed by Andrew R. Morris, all rights reserved.Discovercircuits.com is your portal to free electronic circuits links.

Circuitos electrónicos

http://discovercircuits.com/Andy/wein_bridge Oscillator.htm

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Circuit: 125KHz Medium pwer oscillator__ Circuit designed by David A. Johnson, P.E.Circuit: 125KHz Medium pwer oscillator__ Circuit designed by David A. Johnson, P.E.

This medium power oscillator adds more invertors in parallel to deliver more power.  The values shown are for 125KHz..

Circuitos electrónicos

http://www.discovercircuits.com/DJ-Circuits/125kpowerosc0.htm

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Circuit diagrams search engine :: High-Voltage-Lab.com :: audio, radio, sensors, digital electronics...Circuit diagrams search engine :: High-Voltage-Lab.com :: audio, radio, sensors, digital electronics...

Timer and oscillator circuit diagrams. Build your own metronome, jogging timer, signal injectors and other similar stuff.

Circuitos electrónicos

http://www.high-voltage-lab.com/browse/timers

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Low-distortion Audio-range oscillator

Low-distortion Audio-range Oscillator , schematics

Circuitos electrónicos

http://iq-technologies.net/projects/oscillators_timers/005

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16 Stage Bi-Directional LED Sequencer Circuit

Description The bi-directional sequencer uses a 4 bit binary up/down counter (CD4516) and two "1 of 8 line decoders" (74HC138 or 74HCT138) to generate the popular "Night Rider" display. A Schmitt Trigger oscillator provides the clock signal for the counter and the rate can be adjusted with the 500K pot. Two additional Schmitt Trigger inverters are used as a SET/RESET latch to control the counting direction (up or down). Be sure to use the 74HC14 and not the 74HCT14, the 74HCT14 may not work due .......

Circuitos electrónicos

http://easycircuit012.blogspot.com/2013/08/01-16-stage-bi-directional-led-sequencer.html

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555 Circuits II - Jose Pino's Projects and Tidbits.555 Circuits II - Jose Pino's Projects and Tidbits.

This circuit can be used to activate a relay for two or three minutes. Pressing the switch the relay will be activated. Changing the 1M resistor with a variable resistor you can vary the time. The 0.01 capacitor is important because it prevents any false triggering. The circuit will work OK with 6 Volts without any modification. If you want to use 9 or 12 Volts, you need to change the relay with a 9V or 12V relay. Using this circuit with 120 VAC is not recommended, however, using the right parts.......

Circuitos electrónicos

http://josepino.com/circuits/?555_circuits2

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Tuning VFos without air variable capacitorsTuning VFos without air variable capacitors

QRP, Homebrew amateur radio receivers, transmitters & transceivers.

Circuitos electrónicos

http://www.qrp.pops.net/PNJ.asp

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25 Metres Range, Short Wave AM Transmitter - Schematic Design25 Metres Range, Short Wave AM Transmitter - Schematic Design

Short wave AM Transmitter circuit which is simple and easy to build since it applies only a few components and free from LC (inductor, capacitor) tuned circuit.

Circuitos electrónicos

http://circuitdiagram.net/25-metres-range-short-wave-am-transmitter.html

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In Circuit Transistor Checker | Electronic Circuits Diagram

Electronic Circuits Diagram: In Circuit Transistor Checker - Electronic Schematics collections where we discuss about electronic circuits schematics, printed circuit board diagrams and electronics projects

Circuitos electrónicos

http://streampowers.blogspot.com/2012/08/in-circuit-transistor-checker.html

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Circuit - PRECISION ULTRA LoWER POWER OSCILLATOR - Circuits designed by David A. Johnson, P.E.Circuit - PRECISION ULTRA LoWER POWER OSCILLATOR - Circuits designed by David A. Johnson, P.E.

This circuit works much like the classic 555 timer, but draws only about 1.5 microamps from a 3 volt battery. It is highly stable under varying temperature and supply voltages.

Circuitos electrónicos

http://discovercircuits.com/DJ-Circuits/10secosc.htm

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Power Amplifier Circuits: PowerPower Amplifier Circuits: Power

Power Amplifier circuits, schematics or diagrams. Discovercircuits.com is your portal to free electronic circuits links. Copying content to your website is strictly prohibited!!!

Circuitos electrónicos

http://www.discovercircuits.com/A/a-power.htm

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Timed BeeperTimed Beeper

Timed Beeper, schematics

Circuitos electrónicos

http://iq-technologies.net/projects/oscillators_timers/008

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VHF signal generatorVHF signal generator

Circuitos electrónicos

http://www.intio.or.jp/jf10zl/vhfsg.htm

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Beat Balance Metal Detector

A Beat Balance Metal Detector made from discrete components. Interesting design.

Circuitos electrónicos

http://www.circuit-diagrams.com//dg46-beat-balance-metal-detector.php

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1.5V Battery operated FM rebroadcast transmitter

This implementation is adapted to rebroadcast the output of a CD player, television receiver, or radio receiver. I use it so that I can move about the house and listen to my favorite programs without disturbing others. Within and the house, I find that I can get 10 to 20 meters away from the transmitter with the small pocket FM receiver I carry in my shirt pocket........

Circuitos electrónicos

http://www.cappels.org/dproj/FMdist/fmdis.htm

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