2 layers83.3 × 65.3 mm
SimonShield
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46 parts14kMIT
2 layers100 × 60 mm
PA UNIT
QuantumEF/IC-271AE-KiCadKiCad Schematics of the IC-271AE VHF Radio
- Size
- 100 × 60 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 46
- Nets
- 16
- Pads
- 96
- Tracks, vias
- 86, 0
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 4 May 2026
- Updated
- 4 May 2026
Overview
PA UNIT is an open-source printed circuit board by QuantumEF, from the QuantumEF/IC-271AE-KiCad repository on GitHub. It is a 2-layer board of 100 × 60 mm with 46 parts on 16 nets, routed with 86 tracks and 0 vias.
It is built around the SC-10-200. Its parts include 19 capacitors, 6 inductors, 5 resistors, 3 diodes and 3 connectors.
Main components
1README
README.mdKiCad Schematics of the IC-271A/E VHF radio
Creating for my own reference and general documentation.
Parts
46| Qty | Value | Footprint | References |
|---|---|---|---|
| 2 | Ceramic 220 pF 50V | Capacitor_THT:C_Disc_D5.1mm_W3.2mm_P5.00mm | C1, C6 |
| 2 | MI402 | Diode_THT:D_DO-15_P10.16mm_Horizontal | D1, D2 |
| 1 | 0.15? 3W | Resistor_THT:R_Axial_Power_L20.0mm_W6.4mm_P25.40mm | R1 |
| 1 | 1.5k R25 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3 |
| 1 | 1SS97 | Diode_THT:D_DO-15_P10.16mm_Horizontal | D3 |
| 1 | 220 ELR25 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R2 |
| 1 | 220 R25 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R4 |
| 1 | 47k? R25 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R5 |
| 1 | Barrier Lay 0.1 16V | Capacitor_THT:C_Disc_D5.1mm_W3.2mm_P5.00mm | C2 |
| 1 | Barrier Lay 0.1 16V | Capacitor_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm | C4 |
| 1 | Ceramic 0.001 500V | Capacitor_THT:C_Disc_D5.1mm_W3.2mm_P5.00mm | C9 |
| 1 | Ceramic 0.0047 50V | Capacitor_THT:C_Disc_D5.1mm_W3.2mm_P5.00mm | C7 |
| 1 | Ceramic 0.0047 50V | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm | C18 |
| 1 | Ceramic 0.5 pF 500V | Capacitor_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm | C8 |
| 1 | Ceramic 15 pF 50V | Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm | C10 |
| 1 | Ceramic 150pF 50V | Capacitor_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm | C11 |
| 1 | Ceramic 15pF 500V | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm | C17 |
| 1 | Ceramic 220 pF 50V | Capacitor_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm | C5 |
| 1 | Ceramic 220 pF 50V | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm | C21 |
| 1 | Ceramic 2pF 500V | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm | C15 |
| 1 | Ceramic 33pF 500V | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm | C16 |
| 1 | Ceramic 33pF 500V | Capacitor_THT:C_Disc_D4.7mm_W2.5mm_P5.00mm | C14 |
| 1 | Ceramic 39pF 500V | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm | C12 |
| 1 | Ceramic 3pF 500V | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm | C13 |
| 1 | Choke LW-19 | ProjectLib:Inductor_L6 | L6 |
| 1 | Coil LA-2 | ProjectLib:Inductor_6x8 | L2 |
| 1 | Coil LA-71 | ProjectLib:Inductor_6x12 | L3 |
| 1 | Coil LA-76 | ProjectLib:Inductor_L5 | L5 |
| 1 | Coil LA-9 | ProjectLib:Inductor_6x10 | L4 |
| 1 | Coil LW-10 | Inductor_THT:L_Axial_L14.0mm_D4.5mm_P15.24mm_Horizontal_Fastron_LACC | L1 |
| 1 | Electrolytic 22uF 16V | Capacitor_THT:CP_Radial_D5.0mm_P2.00mm | C3 |
| 1 | RF_Ant | Connector_Coaxial:SMA_Amphenol_901-144_Vertical | J1 |
| 1 | RX_Output | Connector_Coaxial:SMA_Amphenol_901-144_Vertical | J14 |
| 1 | SC-1020 | ProjectLib:SC-1020 | IC1 |
| 1 | TP-J10 | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | TP4 |
| 1 | TP-J11 | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | TP5 |
| 1 | TP-J12 | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | TP6 |
| 1 | TP-J15 | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | TP7 |
| 1 | TP-J6 | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | TP1 |
| 1 | TP-J7 | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | TP2 |
| 1 | TP-J8,J9 | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | TP3 |
| 1 | TX_Input | Connector_Coaxial:SMA_Amphenol_901-144_Vertical | J6 |
The 44 most common of 46 parts.
Questions
How big is the PA UNIT PCB?
It measures 100 × 60 mm and has 2 copper layers, 1.6 mm thick.
What parts does the PA UNIT use?
46 parts, built around the SC-10-200. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the PA UNIT KiCad files?
From the QuantumEF/IC-271AE-KiCad repository on GitHub, at the commit this page was made from: the board is PA_UNIT.kicad_pcb and its schematic PA_UNIT.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the PA UNIT design in my own project?
Its repository states no licence, so its author keeps all rights: ask QuantumEF before reusing the design.
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