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Home › Magazines › 2011 › November › Dual Linear PSU for Model Aircraft

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Dual Linear PSU for Model Aircraft

Published in issue 419, November 2011

Dual Linear PSU for Model Aircraft
In 'full-size' aviation, vital aircraft systems are doubled, or even tripled, up in order to guarantee critical event rates that are sometimes less than one in a billion flying hours. Why not adapt these principles to radio-controlled model aircraft?

Components

Resistors
All 0.25 W 1%, SMD 0805
R1 = 220kOhm
R2 = 1kOhm8
R3, R7 = 470Ohm
R4 = 270Ohm
R5,R6 = see text
P1 = 2kOhm, 5mm preset, square, SMD (Farnell # 1557936)
Capacitors
C1, C4 = 100nF 50V ceramic, X7R, SMD 0805
C2, C5 = 47μF 16V tantalum, case D (Farnell # 498762)
C3 = 100μF 25V electrolytic, radial, lead pitch 0.1" (2.54mm)
Semiconductors
D1 = 12CWQ03, Schottky diode 2x6A, 30V, DPAK (Farnell #9101160)
IC1, IC2 = LT1764EQ, LDO regulator, D2PAK (Farnell # 1273623)
Miscellaneous
K1–K16,K18,K21,K22 = 3-way pinheader, pitch 0.1" (2.54 mm)
K17 = 15-way sub-D socket, vertical mounting on PCB (Farnell # 1106813)
K19,K20 = polarized connector (Deans Micro Plug)
K23 = 8-way polarized connector, vertical, lead pitch 0.1" (2.54mm)
PCB, ref. 081064-1

Click below to download a PDF copy of this article from Elektor magazine.

 

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Order this magazine 
Magazine November 2011
UK419 (USD 7.80)
 

Order from Elektor 
PCB, bare
081064-1 (USD 23.40)
Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.

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