SYMMETRIC 1A POWER SUPPLY K8042 ILLUSTRATED ASSEMBLY MANUAL H8042IP-1 Total solder points: 69 Difficulty level: beginner 1 2 3 4 5 adv
10 PCB 13. PCB layout
11 diagram 14. Diagram
Modifications and typographical errors reserved © Velleman Components nv. H8042IP - 2004 - ED1 (rev 1.0) VELLEMAN Components NV Legen Heirweg 33 9890
2 Features low cost universal symmetric power supply just add a suitable transformer and a heatsink ideal for e.g. op-amp applications, amplifi
3 Assembly hints 1. Assembly (Skipping this can lead to troubles ! ) Ok, so we have your attention. These hints will help you to make this project s
4 Assembly hints 1.3 Soldering Hints : 1- Mount the component against the PCB surface and carefully solder the leads 2- Make sure the solder join
5 R1 : 120 (1 - 2 - 1 - B) R2 : 120 (1 - 2 - 1 - B) R3 : 2K2 (2 - 2 - 2 - B) R4 : 2K2 (2 - 2 - 2 - B) 3. Resistors R...Constr
6 Construction VR1 : LM317 VR2 : LM337 9. Voltage regulators VR... When you want to use the maximal 20W dissipation mount the opt
7 Fit the components and heatsink onto the PCB and fix it by means of two 5mm spacers and two screws. Solder now the connec
8 Enclosure When mounting the Kit into a enclosure, you have to drill two holes in the backside of the housing to pass the 15mm M3 bolts trough. 1
9 12. Connection enclosure VA 0 Req. output voltage Req. AC input voltage (transformer) +/- 1,2 ... 5V 2 x 9VAC +/- 5 ... 9V 2 x 12 - 15VAC +/- 9 .
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