Difference between revisions of "Theremin"

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== Divide and Conquer ==
 
== Divide and Conquer ==
I divided the implementation of the electronics into 6 sub circuits.
+
Paired are a fritzing design and actual implementation photo.  Differences between the two did occur.
  
 
* Power Supply
 
* Power Supply
[[File:RMTP-Power_Supply_Circuit_Board.jpg]]
+
[[File:RMTP-Etherwave_PSU_bb.jpg|300x200px]]
[[File:RMTP-Etherwave_PSU_bb.jpg]]
+
[[File:RMTP-Power_Supply_Circuit_Board.jpg|300x200px]]
  
 
* Pitch Antenna Circuit
 
* Pitch Antenna Circuit
[[File:RMTP-Pitch_Antenna_Circuit_Board.jpg]]
+
[[File:RMTP-Etherwave_Pitch_Antenna.jpg|300x200px]]
[[File:RMTP-Etherwave_Pitch_Antenna.jpg]]
+
[[File:RMTP-Pitch_Antenna_Circuit_Board.jpg|300x200px]]
  
 
* Volume Antenna Circuit
 
* Volume Antenna Circuit
[[File:RMTP-Volume_Antenna_Circuit_Board.jpg]]
+
[[File:RMTP-Etherwave_Volume_Antenna_bb.jpg|300x200px]]
[[File:RMTP-Etherwave_Volume_Antenna_bb.jpg]]
+
[[File:RMTP-Volume_Antenna_Circuit_Board.jpg|300x200px]]
  
 
* Variable Pitch Oscillator - Fixed Pitch Oscillator - Pitch Tuning
 
* Variable Pitch Oscillator - Fixed Pitch Oscillator - Pitch Tuning
 +
[[File:RMTP-Etherwave_Pitch_Circuit_Stripboard_bb.jpg|300x200px]]
 +
[[File:RMTP-Pitch_Control_Circuit_Board.jpg|300x200px]]
 +
 
* Volume Oscillator - Volume Tuning
 
* Volume Oscillator - Volume Tuning
 +
[[File:RMTP-Etherwave_Volume_Circuit_Stripboard_bb.jpg|300x200px]]
 +
[[File:RMTP-Volume_Control_Circuit_Board.jpg|300x200px]]
 +
 
* Detector - Voltage Controlled Amplifier - VCA Processor
 
* Detector - Voltage Controlled Amplifier - VCA Processor
 +
[[File:RMTP-Etherwave_Amp_Alt_Stripboard_bb.jpg|300x200px]]
 +
[[File:RMTP-Detector_VCA_and_Processor_Circuit_Board.jpg|300x200px]]
  
 
=== Photos ===
 
=== Photos ===
Line 31: Line 39:
 
[[File:RMTP-Theremin_on_Workbench.jpg]]
 
[[File:RMTP-Theremin_on_Workbench.jpg]]
  
[[File:RMTP-Pitch_Antenna_Circuit_Board.jpg]]
+
----
 
+
----
[[File:RMTP-Pitch_Control_Circuit_Board.jpg]]
+
[[JAC Projects|The JAC Project Index]]
 
 
[[File:RMTP-Detector_VCA_and_Processor_Circuit_Board.jpg]]
 
 
 
[[File:RMTP-Volume_Control_Circuit_Board.jpg]]
 
 
 
[[File:RMTP-Volume_Antenna_Circuit_Board.jpg]]
 
 
 
[[File:RMTP-Power_Supply_Circuit_Board.jpg]]
 
 
 
===Fritzing===
 
 
 
 
 
Actual construction resulted in difference between the fritzing layout and actual build.
 
 
 
[[File:RMTP-Etherwave_Pitch_Stripboard_bb.jpg]]
 
 
 
[[File:RMTP-Etherwave_Amp_Alt_Stripboard_bb.jpg]]
 
 
 
[[File:RMTP-Etherwave_Volume_Stripboard_bb.jpg]]
 
 
 
[[File:RMTP-Etherwave_PSU_bb.jpg]]
 

Latest revision as of 19:50, 4 June 2021

Theremin

In the February 1996 issue of "Electronic Musician", an article by Robert Moog, titled "Build the EM Theremin" was published. Below are the details, images and a sound file for the THEREMIN I built from that article.

Schematic

RMTP-EM Theremin Schematic.jpg

Bill of Materials

RMTP-EM Theremin BOM.jpg


Divide and Conquer

Paired are a fritzing design and actual implementation photo. Differences between the two did occur.

  • Power Supply

RMTP-Etherwave PSU bb.jpg RMTP-Power Supply Circuit Board.jpg

  • Pitch Antenna Circuit

RMTP-Etherwave Pitch Antenna.jpg RMTP-Pitch Antenna Circuit Board.jpg

  • Volume Antenna Circuit

RMTP-Etherwave Volume Antenna bb.jpg RMTP-Volume Antenna Circuit Board.jpg

  • Variable Pitch Oscillator - Fixed Pitch Oscillator - Pitch Tuning

RMTP-Etherwave Pitch Circuit Stripboard bb.jpg RMTP-Pitch Control Circuit Board.jpg

  • Volume Oscillator - Volume Tuning

RMTP-Etherwave Volume Circuit Stripboard bb.jpg RMTP-Volume Control Circuit Board.jpg

  • Detector - Voltage Controlled Amplifier - VCA Processor

RMTP-Etherwave Amp Alt Stripboard bb.jpg RMTP-Detector VCA and Processor Circuit Board.jpg

Photos

RMTP-Theremin on Workbench.jpg



The JAC Project Index