Velleman-projects K8042 Assembly instructions Manuale Utente

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 .