Theremin.... YA!

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Theremin.... YA! Kyle Swanson Daniel Hamilton Laurel Hardiman

description

Kyle Swanson Daniel Hamilton Laurel Hardiman. Theremin.... YA!. The Hand. The Antenna. NPN-Transistor. C. B. E. Waves. Products. Sin( kx ) + Sin( lx ) = ⅟₂∙ x [ Cos( k + l ) + Cos( k – l ) ]. 20Hz-20,000Hz. A little bit o’ fact…. Leon!. Born in Russia in 1896 - PowerPoint PPT Presentation

Transcript of Theremin.... YA!

Page 1: Theremin.... YA!

Theremin.... YA!

Kyle SwansonDaniel HamiltonLaurel Hardiman

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The Hand

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The Antenna

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NPN-Transistor

C

B

E

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Waves

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Products

Sin(kx) + Sin(lx)

= ⅟₂∙x [ Cos(k + l) + Cos(k – l) ]

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20Hz-20,000Hz

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A little bit o’ fact…

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Leon!• Born in Russia in 1896• Began playing with electricity at the age of

7 and had his own laboratory at the age of 17

• He was pretty much a genius…• He was tasked with developing a proximity

censor, and voila! • Created the “etherphone” in 1920 and gave

his first performance to a handful of collegues

• Was termed the “Termenvox” in the Soviet Union, “Thereminvox” in Germany, and “theremin” in the USA.

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Even this guy liked it!

• Lenin was very impressed by Theremin’s device• Believed Leon’s electronic skills could be used for

the good of Communism• He even took lessons

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The original form of Electronic Music

• The theremin was patented in 1928 in the USA• Though not a huge hit, Clara Rockmore helped

popularize the instrument• In 1930, Leon gave a concert at Carnegie Hall with

10 other thereminists. It all fell apart.• In 1932, Leon conducted the first ever electronic

orchestra• Theremin began to lose popularity until the 1950’s

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The RCA Theremin

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Theremin Extravaganza!

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Enter Moog!

• Robert Moog began building theremins while in high school

• He started selling kits so people could make their own and now Moog Music sells top-quality theremins

• Another burst in popularity occurred when in 1994, a film was made called “Theremin: An Electronic Odyssey”

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Famous Performers

• Clara Rockmore• Lydia Kavina• Pamelia Kurstin• Armen Ra

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Similar Instrument

• In Good Vibrations (the Beach Boys) They are actually playing a Tannerin

• Similar, but has a slide and the keys are only for visual aid

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Where you may have heard one

• Monster House• Ed Wood• The Day The Earth Stood Still• Jimmy Page used a variation of the theremin for

“Whole Lotta Love” and “No Quarter”

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The ProcessThe Trials, The Errors,

The Advancements, and what turned out

to be setbacks disguised as

Advancments.

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Inductance How does one measure inductance? One way is to use a multimeter that has ability to

measure inductance. EASY PEASY BRAIN DEAD WAY!!!

However with out a special multimeter, that allows the user to be brain dead, there is a method involving network analysis to measure inductance.

(This is not to say that one should not use or obtain a multimeter with the ability to measure inductance. Quite frankly being brain dead once and while doing repetitive work is not such a bad thing)

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The non-Zombie Way

Step 1: Look for a really god awful looking equation, that looks to be over ones head.

Step 2: Go to take a break, soccer anyone? Step 3: Widdle it down from a gross equation to

an understandable, efficient, useable, easily applicable, beautifully widdled equation. Otherwise known as U.E.U.E.A.B equations. DUhhhhhh.

_V 2

V 1_= [ _i _ L__R_ i _ L_

__ _i _ L__R_ i _ L_

]_1/2_

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The U.E.U.E.A.B equationof the gross equation.

Now that we have this U.E.U.E.A.B equation. Our next step is to construct ta circuit that we can take advantage of with this formula.

L= R

_2_ F _3_

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Network Analysis

This circuits needs:

1. A resistor of known value.

2. A function generator to push a frequency through the circuit.

3. A bunch of inductors to test. For with out these this whole set up would be in vane!

L= R

_2_ F _3_

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Our Findings

Using a resistor of 480 Ohms, we calculated the Henries for several of the hundred or so nameless inductors we were searching through.

L= R

_2_ F _3__ L=44.1

f

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