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function_generator [2019/04/30 14:21]
sdh7
function_generator [2019/04/30 22:05] (current)
sdh7
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 Class Size: 5 Class Size: 5
- 
-Pre-requisites:​ Bring your own Altoids-sized mint tin or larger enclosure to house it 
  
 Minimum Age: 12 and up (under 16 must have parent present) Minimum Age: 12 and up (under 16 must have parent present)
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 PROCEDURE PROCEDURE
-Resistors:​ +  * Resistors:​ 
-  * R1 - 1K (brown-black-black-brown-brown) +    * R1 - 1K (brown-black-black-brown-brown) 
-  * R4 - 330 Ohm (orange-orange-black-black-brown) +    * R4 - 330 Ohm (orange-orange-black-black-brown) 
-  * R3,R5,R6 - 5.1K (green-brown-black-brown-brown) +    * R3,R5,R6 - 5.1K (green-brown-black-brown-brown) 
-IC Socket - Solder one pin first, and make any adjustments if necessary +  ​* ​IC Socket - Solder one pin first, and make any adjustments if necessary 
-Ceramic Capacitors:​ +  ​* ​Ceramic Capacitors:​ 
-  * C2 - 0.1 uF (104) +    * C2 - 0.1 uF (104) 
-  * C5 - 1 uF (105) +    * C5 - 1 uF (105) 
-  * C6 - .047 uF (473) +    * C6 - .047 uF (473) 
-  * C7 - .0022 uF (222) +    * C7 - .0022 uF (222) 
-  * C8 - .000010 uF (101) +    * C8 - .000010 uF (101) 
-Electrolytic Capacitors (WATCH POLARITY!!!) - Striped location on the silkscreen indicates the negative leg +  ​* ​Electrolytic Capacitors (WATCH POLARITY!!!) - Striped location on the silkscreen indicates the negative leg 
-  * C1 - 100 uF +    * C1 - 100 uF 
-  * C3, C4 - 10 uF +    * C3, C4 - 10 uF 
-Headers - tack and align before soldering all pins! +  ​* ​Headers - tack and align before soldering all pins! 
-  * J1/J2 - 4 pin +    * J1/J2 - 4 pin 
-  * the big one - 10 pin +    * the big one - 10 pin 
-Power input - tack & align +  ​* ​Power input - tack & align 
-Screw Terminal - P1 - tack and align - make sure metal part is facing out! +  ​* ​Screw Terminal - P1 - tack and align - make sure metal part is facing out! 
-Pots - resistance labeled on the underside - they'​re also incredibly loose on the board, so tack & align! +  ​* ​Pots - resistance labeled on the underside - they'​re also incredibly loose on the board, so tack & align! 
-R2, R7 - 50K (B503)  +    ​* ​R2, R7 - 50K (B503)  
-R8 - 100K (B104)+    ​* ​R8 - 100K (B104) 
 +  * insert XR2206 IC 
 +  * test! - set speed to 1-10 Hz, apply power, check with scope 
 +  * build the enclosure 
 +  * Further testing and learning about Oscilloscopes
  
-insert XR2206 IC 
-test! 
-build the enclosure 
function_generator.txt · Last modified: 2019/04/30 22:05 by sdh7