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Linear Power Supply for Amplifier

akbar-q·Circuits-PCB-HardwareDesign·RF Amplifier Sub 1.6 GHz/Power Board/PowerRF-AMP/PowerRF-AMP.kicad_pcb

Linear Power Supply for Amplifier PCB layout, top view — open source board by akbar-q

About the Linear Power Supply for Amplifier PCB

Linear Power Supply for Amplifier is an open source PCB design by akbar-q, published on GitHub. It is a 4-layer board measuring 28.6 × 91.2 mm, with 60 components from 14 distinct parts.

Other key parts include the LM317_SOT-223 and LM337_SOT223. By type, the board carries 18 resistors, 10 capacitors, 8 diodes, 6 LEDs, 4 inductors and 2 ICs.

It belongs with the audio and power & battery designs in this gallery.

From the project

The power supply design presented unique challenges, requiring a dual-rail configuration for simplified biasing while maintaining a compact 3mm height profile. The implementation delivers 500mA current capability with adjustable regulation and comprehensive filtering stages. A 4-

The power supply design presented unique challenges, requiring a dual-rail configuration for simplified biasing while maintaining a compact 3mm height profile. The implementation delivers 500mA current capability with adjustable regulation and comprehensive filtering stages. A 4-layer PCB design was chosen to optimize thermal management and signal integrity.

Linear Power Supply for Amplifier, from the project README
From the project README

Main components on the Linear Power Supply for Amplifier

LM317_SOT-223LM337_SOT223

Linear Power Supply for Amplifier bill of materials (BOM)

60 components, 14 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
LM317_SOT-223
U1
1
LM337_SOT223
U3
4
Conn_01x02_Pin
+2.5Va1, +2.5Vb1, -2.5Va1, -2.5Vb1
6
Conn_01x03
+G1, +G2, +G3, -G1, -G2, -G3
2
SW_SPDT
SW1, SW2
6
LED
+2.5, +PolFault1, +Power1, -2.5, -PolFault1, -Power1
2
Diode
D1, D2
2
D_Zener
D3, D4
2
Bypass
D5, D6
2
PolFaultClamp-DNP
D7, D8
4
L
L1, L2, L3, L4
8
2.2U
2.2u
C1, C2, C3, C4, C6, C7, C8, C9
2
100N
100n
C5, C10
18
680R
R1, R2, R3, R4, R5, R6, R7, R8 +10

Linear Power Supply for Amplifier design files

The KiCad project lives in the akbar-q/Circuits-PCB-HardwareDesign repository on GitHub; these links point at the commit this page was built from.

Linear Power Supply for Amplifier: common questions

How big is the Linear Power Supply for Amplifier PCB?

The Linear Power Supply for Amplifier measures 28.6 × 91.2 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Linear Power Supply for Amplifier?

60 components, from 14 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Linear Power Supply for Amplifier design files?

From the akbar-q/Circuits-PCB-HardwareDesign repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Linear Power Supply for Amplifier design in my own project?

The repository has no license, so all rights stay with akbar-q. Use it as a reference, and ask the author before reusing the design.

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