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TETRODE 4CX5000A
used as an Oscillator, Modulator or Amplifier at frequencies up to 220 MHz.
Electrical specifications for the 4CX5000A
Filament Thoriated Tungsten mesh
Voltage 7.5 Volts
Current 75 Amps
Amplification factor 4.5
Plate Dissipation 6000 Watts
Grid Dissipation 75 Watts
Maximum frequency for full rating CW 220 MHz
Capacitance Grounded Cathode connection:
Input 120 pF
Output 20.5 pF
Feedback 0.7 pF
This was supposed to be a funky voice oscillator thing... they turned it into a pendulum with a laser and a string ... something about humans' obsession with light or something.
A few documentation shots of the multi oscillator, light reactive synths I've been building for various performances as part of Sanctuary 2015. They use the amazingly hardy perennial favourite IC, the 40106 CMSOS Schmitt trigger.
There are also a couple of not synths, but percussive instruments made from jars, piezo electric contact mics and m3 nuts and a silver dollar respectively,
This is a picture of a nice EMS Escape Lightbar on a FairLea Ambulance. The Lightbar had rotators ( or oscillators ) and strobes ( or LED's, I wasn't sure ).
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Ok, it's a barcode reader, not a phone. Two heterodyning oscillators controlled by light sensors with low frequency LED strobe. Trigger actuated audio mayhem.
Test recording available here: soundcloud.com/jo_mo/dronephone-2-0-test-recording
AD7746 capacitive sensor breakout board: www.sparkfun.com/commerce/product_info.php?products_id=7918
DS1077 programmable oscillator breakout board: www.sparkfun.com/commerce/product_info.php?products_id=9116
This is 1 Hertz clock generator circuit using 32.768Khz crystal, CD4060 and CD4013 ICs. Our circuit base on crystal oscillator. So we can get very accurate and stable output. That can use for clock, timers and many projects.
On the back - the Bloom pot patch pads (all these pads are ferrous metal with threaded shafts to which I secure wires to the circuit, or other added controls, like the pot).
A tiny part making a colossal contrast.
The ticking is created by the escapement, which assumes a key job in the development's estimation of time. "Tick": a tooth of the departure wheel locks against one of the beds of the switch. At that point, discharged by the breadth of the oscillator, the bed fork gives the wheel "a chance to escape", until it locks against the second bed: "tock".
The bed fork continues its infinite pendular beat against the diagonal teeth of the getaway wheel exactly multiple times each hour – 14,400 "ticks" and 14,400 "tocks". That is 250 million times each year.
Oneself winding system comprises of a half-moon-molded oscillating weight, which rotates unreservedly on its focal pivot, in one heading, at that point the other with the common developments of the wrist. It transmits uninterrupted regular vitality to the watch. The motions of the weight make vitality which is put away in the mainspring, and furnishes the watch with a steady and stable wellspring of vitality.
Inside is the mainspring whose amazing loops store the vitality delivered when the development is twisted, either physically or through a self-winding framework. As the mainspring uncoils, it discharges a continuous stream of vitality which is constrained by the alternating development of the escapement. Vitality from the mainspring is transmitted to the escapement and the oscillator through the rigging train. The development's self-sufficiency or power hold between windings depends along these lines on how much vitality the mainspring can store, and on vitality proficiency.
Invented by Rolex in 1926, it was the world's first waterproof case for a wristwatch because of its protected arrangement of screwing down the bezel, body of evidence back and winding crown against the center case. An image of power and waterproofness, this consummately proportioned and rich watch case is an eminent mix of structure and capacity, regardless of whether made in Oystersteel, 18 ct gold or 950 platinum.
This is the way Rolex, without precedent for the historical backdrop of watchmaking, made a waterproof winding crown – a safe interface between the secured, fixed world inside the watch and the hurtful components of the outside world.
In new-age developments, upgraded geometry and the high-accuracy machining have improved the balance triple.
Insensitive to attractive fields, the Parachrom hairspring offers extraordinary steadiness notwithstanding temperature varieties and remains up to multiple times more exact than a conventional hairspring if there should be an occurrence of stuns.
It is furnished with a Breguet overcoil, enhancing the isochronism of the motions in any position.
Rolex created and combines in-house selective elite greases with an extensively longer valuable life and more noteworthy soundness after some time.
Attempting to develop inventions he could patent and market, Tesla conducted a range of experiments with mechanical oscillators/generators, electrical discharge tubes, and early X-ray imaging. He also built a wirelessly controlled boat, one of the first ever exhibited.
Wikipedia
Guillem Bayo plantea una propuesta en la que se fusiona la electrónica con la vida diaria, a partir de la transformación de objetos de nuestro día a día en aparatos tecnológicos híbridos. Estos presentan el halo familiar de lo cotidiano unido a las altas dosis de sofisticación tecnológica que caracteriza los trabajos del artista, una serie de obras que de alguna manera tienen su propio ciclo de vida.
En esta ocasión, las piezas creadas por Bayo tienen la particularidad de generar música.
La idea principal es producir sonidos randomizados con parámetros alterables por los espectadores. De esa forma parte del control se desvanece, forzando aún más el resultado.
Bayo nos lleva así a un mundo en el que el espectador podrá tocar música al manipular los objetos que el artista irá creando en el espacio expositivo. Este será un laboratorio abierto al púbico y se alentará a los visitantes a formar parte del proyecto mediante la interacción con los objetos creados, la creación de los suyos propios, o de la participación en las actividades y eventos relacionados.
from Grinding Halt fanzine, issue #10 (1981)
stillunusual.tumblr.com/post/31331465805/grinding-halt-fa...
Federal Model 606 1965 Inside view. Very classic component lay out. This radio is in mint condition and plays as if it was purchased yesterday (after replacing the oscillator-mixer transistor).
Kyle Ward performing with Oscillator X at Ground Kontrol in Portland, OR 2009 (John Mendenhall in background)
IBS Electronics, global electronics components distributor, is offering a comprehensive selection of electronic components and computer products. IBS Electronics is warehoused more than 1000,000 at any time. At IBS Electronics, you receive highest level of service, product selection, price and overall value unmatched in the industry.
The Crankotron Optical Pianola is a large electronic instrument built for a performance by the Dirty Electronics Ensemble at DeMontfort University, Leicester.
It consists of 4 independently tuned oscillators and 4 light sensors. The score is cut onto a 9m long roll of paper which is manually wound across the playhead (light sensors) by 2 operators. There are 2 stop points, at the first the oscillators are retuned, at the second a hole is manually cut and the reel continues.
www.youtube.com/watch?v=zlN50Zf3vFo
Optical pianola electronics designed by Jim Frize from www.sonodrome.co.uk/
Score cut by Stu Smith (A.S.M.O.) asmo23.wordpress.com/
Oscillator Temple (CH)
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SWISS PSYCH FEST 2013
18.05.2013
@ Amalgame Club
Yverdon-les-Bains
Switzerland
Jeremy Küng ©
The centre unit is a McMichael comparator clock believed to be the British version of the HP 115BR above. The lower unit is an HP 107BR quartz oscillator.
1. Product Overview :
XT1511 side is a smart LED control circuit and light emitting circuit in one controlled LED source, which has the shape of a 4020 LED chip. Each lighting element is a pixel, and the intensities of the pixels are contained within the intelligent digital interface input. The output is driven by patented PWM technology, which effectively guarantees high consistency of the color of the pixels. The control circuit consists of a signal shaping amplification circuit, a built-in constant current circuit, and a high precision RC oscillator.
The data protocol being used is uni-polar NRZ communication mode. The 24-bit data is transmitted from the controller to DIN of the first element, and if it is accepted it is extracted pixel to pixel. After an internal data latch, the remaining data is passed through the internal amplification circuit and sent out on the DO port to the remaining pixels. The pixel is reset after the end of DIN. Using automatic shaping forwarding technology makes the number of cascaded pixels without signal transmission only limited by signal transmission speed.
The LED has a low driving voltage (which allows for environmental protection and energy saving), high brightness, scattering angle, good consistency, low power, and long life. The control circuit is integrated in the LED above.
2. Main Application Field:
●Full color LED string light, LED full color module, LED super hard and soft lights, LED guardrail tube, LED appearance / scene lighting
● LED point light, LED pixel screen, LED shaped screen, a variety of electronic products, electrical equipment etc..
3. Description:
●Top SMD internal integrated high quality external control line serial cascade constant current IC;
●control circuit and the RGB chip in SMD 4020 components, to form a complete control of pixel, color mixing uniformity and consistency;
●built-in data shaping circuit, a pixel signal is received after wave shaping and output waveform distortion will not guarantee a line;
●The built-in power on reset and reset circuit, the power does not work;
●gray level adjusting circuit (256 level gray scale adjustable);
●red drive special treatment, color balance;
●line data transmission;
●plastic forward strengthening technology, the transmission distance between two points over 10M;
●Using a typical data transmission frequency of 800 K bps, when the refresh rate of 30 frames per sec
if you have any interesting for it, please contact me:
My name is billy zhang, and My E-mail is bill_xt@Jercio.com