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--- power_supplies [2016/06/14 16:10]
psykhaze
+++ power_supplies [2016/06/29 00:04]
psykhaze [12V Option]
@@ Line 1: / Line 1: @@
-======= Power Supplies =======
+====== Power Supplies ======
 Find Here some schematics for DIY Power Supplies. It could help to power your midibox !
-**/!\ Be Aware of high voltages! - Stay Safe ! /!\**
+<wrap>** :!: Be Aware of high voltages! - Stay Safe ! :!: **</wrap>
 ===== +5V DC / +9V DC / +12V DC =====
-//**GFX On Correction**//
+{{ :neonking:dcunipolar-5v-9v-12v.jpg?direct |}}
-.
+==== 5V Parts List ====
-===== -12V/+12V DC =====
+^ Description  ^ Type    ^ Qty ^ Designation ^
+|LM7805        |VR       | 1   | U1          |
+|1N4007        |Diode    | 4   | D1,D2,D3,D4 |
+|220           |Resistor | 1   | R1          |
+|22µF/25V      |Capa Elec| 1   | C2          |
+|2200µF/40V    |Capa Elec| 1   | C1          |
+|9VDC 15VA     |Transfo  | 1   | TR          |
-[[http://www.midibox.org/dokuwiki/doku.php?id=bipolar_12v_psu| Bipolar 12V PSU]]
+==== 9V Option ====
-.
+Replace:
+  * U1 > LM7809
+  * TR out> 12VDC
+  * R1 > 390ohms
+==== 12V Option ====
+Replace:
+  * U1 > **LM7812**
+  * TR out> 12VDC
+  * R1 > **510ohms**
+===== -12V/+12V DC =====
+A designed has been purposed [[http://www.midibox.org/dokuwiki/doku.php?id=bipolar_12v_psu|There]]
 ===== -15V/+15V DC =====
@@ Line 24: / Line 43: @@
 ==== Parts List ====
-^ Value        ^ Type    ^ Qty ^ Designation ^
+^ Description  ^ Type    ^ Qty ^ Designation ^
 |LM317T        |VR       | 1   | U1          |
 |LM337T        |VR       | 1   | U2          |
@@ Line 41: / Line 60: @@
 For Fine Voltage Tuning replace R3/R7 by a 2K Multi turns Trimpot.
+===== Forum Threads =====
+  * [[http://midibox.org/forums/topic/19108-simple-and-compact-512-12-psu-for-seqv4/|Compact PSU by Altitude]]

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